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blog.bitsrc.io Open in urlscan Pro
52.4.175.111  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0
Effective URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Submission: On May 10 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 15 IPs in 5 countries across 13 domains to perform 62 HTTP transactions. The main IP is 52.4.175.111, located in Ashburn, United States and belongs to AMAZON-AES, US. The main domain is blog.bitsrc.io.
TLS certificate: Issued by Sectigo RSA Domain Validation Secure ... on October 14th 2019. Valid for: a year.
This is the only time blog.bitsrc.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 8 52.4.175.111 14618 (AMAZON-AES)
1 1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
36 2606:4700::68... 13335 (CLOUDFLAR...)
1 3 2a00:1450:400... 15169 (GOOGLE)
1 52.84.50.148 16509 (AMAZON-02)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 13.224.197.88 16509 (AMAZON-02)
1 23.45.99.37 20940 (AKAMAI-ASN1)
1 34.192.148.88 14618 (AMAZON-AES)
1 2600:9000:201... 16509 (AMAZON-02)
3 2600:9000:201... 16509 (AMAZON-02)
5 3.209.30.217 14618 (AMAZON-AES)
1 2600:1f18:24e... 14618 (AMAZON-AES)
1 35.168.134.3 14618 (AMAZON-AES)
62 15
8    52.4.175.111 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-4-175-111.compute-1.amazonaws.com
blog.bitsrc.io
1    2606:4700::6810:797f (United States)

ASN13335 (CLOUDFLARENET, US)
medium.com
1    2a02:26f0:6c00:19b::13b8 (Ascension Island)

ASN20940 (AKAMAI-ASN1, EU)
cdn.optimizely.com
36    2606:4700::6810:7891 (United States)

ASN13335 (CLOUDFLARENET, US)
glyph.medium.com
miro.medium.com
cdn-client.medium.com
3    2a00:1450:4001:817::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    52.84.50.148 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-84-50-148.ham50.r.cloudfront.net
d1z2jf7jlzjs58.cloudfront.net
1    2a00:1450:400c:c0a::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:808::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:800::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
1    13.224.197.88 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-224-197-88.fra2.r.cloudfront.net
cdn.branch.io
1    23.45.99.37 (Netherlands)

ASN20940 (AKAMAI-ASN1, EU)
PTR: a23-45-99-37.deploy.static.akamaitechnologies.com
a16180790160.cdn.optimizely.com
1    34.192.148.88 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-192-148-88.compute-1.amazonaws.com
srv-2020-05-10-13.pixel.parsely.com
1    2600:9000:2016:3e00:19:9934:6a80:93a1 (United States)

ASN16509 (AMAZON-02, US)
app.link
3    2600:9000:2016:1200:11:f728:3040:93a1 (United States)

ASN16509 (AMAZON-02, US)
api2.branch.io
5    3.209.30.217 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-3-209-30-217.compute-1.amazonaws.com
collector-medium.lightstep.com
1    2600:1f18:24e6:b900:2a9f:c4b2:4ad:ae9e (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
browser-http-intake.logs.datadoghq.com
1    35.168.134.3 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-35-168-134-3.compute-1.amazonaws.com
logx.optimizely.com
Domain Requested by
17 miro.medium.com blog.bitsrc.io
11 cdn-client.medium.com blog.bitsrc.io
8 glyph.medium.com blog.bitsrc.io
8 blog.bitsrc.io 1 redirects cdn-client.medium.com
5 collector-medium.lightstep.com cdn-client.medium.com
3 api2.branch.io cdn-client.medium.com
3 www.google-analytics.com 1 redirects blog.bitsrc.io
1 logx.optimizely.com cdn-client.medium.com
1 browser-http-intake.logs.datadoghq.com cdn-client.medium.com
1 app.link cdn.branch.io
1 srv-2020-05-10-13.pixel.parsely.com blog.bitsrc.io
1 a16180790160.cdn.optimizely.com cdn.optimizely.com
1 cdn.branch.io blog.bitsrc.io
1 www.google.de blog.bitsrc.io
1 www.google.com 1 redirects
1 stats.g.doubleclick.net 1 redirects
1 d1z2jf7jlzjs58.cloudfront.net cdn-client.medium.com
1 cdn.optimizely.com blog.bitsrc.io
1 medium.com 1 redirects
62 19
Subject Issuer Validity Valid
blog.bitsrc.io
Sectigo RSA Domain Validation Secure Server CA		 2019-10-14 -
2020-10-13		 a year crt.sh
cdn.optimizely.com
DigiCert SHA2 Secure Server CA		 2020-01-20 -
2021-03-20		 a year crt.sh
*.medium.com
DigiCert SHA2 Secure Server CA		 2018-07-31 -
2020-09-09		 2 years crt.sh
*.google-analytics.com
GTS CA 1O1		 2020-04-15 -
2020-07-08		 3 months crt.sh
*.cloudfront.net
DigiCert Global CA G2		 2019-07-17 -
2020-07-05		 a year crt.sh
www.google.de
GTS CA 1O1		 2020-04-15 -
2020-07-08		 3 months crt.sh
*.branch.io
DigiCert SHA2 Secure Server CA		 2018-12-05 -
2020-12-08		 2 years crt.sh
*.cdn.optimizely.com
GeoTrust RSA CA 2018		 2020-03-05 -
2021-06-04		 a year crt.sh
*.pixel.parsely.com
Let's Encrypt Authority X3		 2020-04-01 -
2020-06-30		 3 months crt.sh
appipv4.link
Amazon		 2019-08-19 -
2020-09-19		 a year crt.sh
*.lightstep.com
Let's Encrypt Authority X3		 2020-04-27 -
2020-07-26		 3 months crt.sh
*.logs.datadoghq.com
COMODO RSA Domain Validation Secure Server CA		 2018-08-30 -
2020-08-29		 2 years crt.sh
logx.optimizely.com
DigiCert SHA2 High Assurance Server CA		 2018-10-01 -
2020-10-05		 2 years crt.sh

This page contains 2 frames:

Primary Page: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Frame ID: 3083CA5E17488AA0E7D19CF4E998F18C
Requests: 65 HTTP requests in this frame

Frame: https://a16180790160.cdn.optimizely.com/client_storage/a16180790160.html
Frame ID: 94902DAFEAD35A7A0F8D015D98532FDD
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0 HTTP 302
    https://medium.com/m/global-identity?redirectUrl=https%3A%2F%2Fblog.bitsrc.io%2Funderstanding-e... HTTP 302
    https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642d... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i
Overall confidence: 100%
Detected patterns
  • script /optimizely\.com.*\.js/i

Page Statistics

62
Requests

100 %
HTTPS

59 %
IPv6

13
Domains

19
Subdomains

15
IPs

5
Countries

4456 kB
Transfer

6393 kB
Size

12
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0 HTTP 302
    https://medium.com/m/global-identity?redirectUrl=https%3A%2F%2Fblog.bitsrc.io%2Funderstanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0 HTTP 302
    https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 45
  • https://www.google-analytics.com/r/collect?v=1&_v=j82&a=1385307294&t=pageview&_s=1&dl=https%3A%2F%2Fblog.bitsrc.io%2Funderstanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0&ul=en-us&de=UTF-8&dt=Understanding%20Execution%20Context%20and%20Execution%20Stack%20in%20Javascript&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=KEDAAEAB~&jid=264659327&gjid=1675782270&cid=2001472014.1589118185&tid=UA-89811062-1&_gid=1790631867.1589118185&_r=1&z=1188873381 HTTP 302
  • https://stats.g.doubleclick.net/r/collect?v=1&aip=1&t=dc&_r=3&tid=UA-89811062-1&cid=2001472014.1589118185&jid=264659327&_gid=1790631867.1589118185&gjid=1675782270&_v=j82&z=1188873381 HTTP 302
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-89811062-1&cid=2001472014.1589118185&jid=264659327&_v=j82&z=1188873381 HTTP 302
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-89811062-1&cid=2001472014.1589118185&jid=264659327&_v=j82&z=1188873381&slf_rd=1&random=244717048

62 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0
blog.bitsrc.io/
Redirect Chain
  • https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0
  • https://medium.com/m/global-identity?redirectUrl=https%3A%2F%2Fblog.bitsrc.io%2Funderstanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0
  • https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
266 KB
45 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
52.4.175.111 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-52-4-175-111.compute-1.amazonaws.com
Software
nginx /
Resource Hash
46ab579698800337fe93f01af058988dcdacc92485e8dbd589216b3cbf3d536a
Security Headers
Name Value
X-Frame-Options allow-from medium.com

Request headers

:method
GET
:authority
blog.bitsrc.io
:scheme
https
:path
/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

status
200
server
nginx
date
Sun, 10 May 2020 13:43:03 GMT
content-type
text/html; charset=utf-8
set-cookie
uid=lo_GD07blhIc8mm; path=/; expires=Mon, 10 May 2021 13:43:03 GMT; samesite=none; secure; httponly sid=1:Y0nDHNJcCsUHC25u9GPZMJNbIX8kVayZTWuaL8TgiSofOTH9Nm0g2wU1ASvR5itz; path=/; expires=Mon, 10 May 2021 13:43:03 GMT; samesite=none; secure; httponly optimizelyEndUserId=lo_GD07blhIc8mm; path=/; expires=Mon, 10 May 2021 13:43:03 GMT; samesite=none; secure
sepia-upstream
production
x-frame-options
allow-from medium.com
cache-control
no-cache, no-store, max-age=0, must-revalidate
medium-fulfilled-by
lite/master-20200508-210621-418b6e18bf, rito/master-20200508-212830-2ee415da8e, tutu/medium-40970
etag
W/"429bc-yZgcf1izUmCHFf+d36mplyIvrVA"
vary
Accept-Encoding
content-encoding
gzip
x-envoy-upstream-service-time
574

Redirect headers

status
302
date
Sun, 10 May 2020 13:43:03 GMT
content-type
application/octet-stream
set-cookie
__cfduid=d01466395d8d30c7082d78ba08916dcff1589118183; expires=Tue, 09-Jun-20 13:43:03 GMT; path=/; domain=.medium.com; HttpOnly; SameSite=Lax uid=lo_GD07blhIc8mm; Expires=Mon, 10-May-21 13:43:03 GMT; Domain=.medium.com; Path=/; Secure; HttpOnly sid=1:2SpWaZ5/uV+WfZQuFHO+TPYvlGhtZCldI/u62mAYxa8Kd8wmlJ0/UzdnpBOwq5Q8; path=/; expires=Mon, 10 May 2021 13:43:03 GMT; domain=.medium.com; samesite=none; secure; httponly optimizelyEndUserId=lo_GD07blhIc8mm; path=/; expires=Mon, 10 May 2021 13:43:03 GMT; domain=.medium.com; samesite=none; secure __cfruid=e1bb1dc8ba0e0cc08f1b38f32489ab9f0fb0c5d9-1589118183; path=/; domain=.medium.com; HttpOnly; Secure; SameSite=None
x-opentracing
{"ot-tracer-spanid":"6856fb9673661dc3","ot-tracer-traceid":"4162ddde30dda726","ot-tracer-sampled":"true"}
content-security-policy
default-src 'self'; connect-src https://localhost https://*.instapaper.com https://*.stripe.com https://glyph.medium.com https://*.paypal.com https://*.braintree-api.com https://*.braintreegateway.com https://getpocket.com https://medium.com https://*.medium.com https://*.medium.com https://medium.com https://*.medium.com https://*.algolia.net https://cdn-static-1.medium.com https://dnqgz544uhbo8.cloudfront.net https://cdn-videos-1.medium.com https://cdn-audio-1.medium.com https://*.lightstep.com https://*.branch.io 'self'; font-src data: https://*.amazonaws.com https://*.medium.com https://glyph.medium.com https://medium.com https://*.gstatic.com https://dnqgz544uhbo8.cloudfront.net https://cdn-static-1.medium.com 'self'; frame-src chromenull: https: webviewprogressproxy: medium: 'self'; img-src blob: data: https: 'self'; media-src https://*.cdn.vine.co https://d1fcbxp97j4nb2.cloudfront.net https://d262ilb51hltx0.cloudfront.net https://*.medium.com https://gomiro.medium.com https://miro.medium.com https://pbs.twimg.com 'self' blob:; object-src 'self'; script-src 'unsafe-eval' 'unsafe-inline' about: https: 'self'; style-src 'unsafe-inline' data: https: 'self'; report-uri https://csp.medium.com
x-frame-options
sameorigin
x-content-type-options
nosniff
x-xss-protection
1; mode=block
x-ua-compatible
IE=edge, Chrome=1
x-powered-by
Medium
x-obvious-tid
1589118183076:116b0dcbd42c
x-obvious-info
40968-191d5e2,191d5e21546
link
<https://medium.com/humans.txt>; rel="humans"
cache-control
no-cache, no-store, max-age=0, must-revalidate
expires
Thu, 09 Sep 1999 09:09:09 GMT
pragma
no-cache
location
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
strict-transport-security
max-age=15552000; includeSubDomains; preload
cf-cache-status
DYNAMIC
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
server
cloudflare
cf-ray
59141643abc296c2-FRA
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c3e4d000096c288102200000001
16180790160.js
cdn.optimizely.com/js/ 		322 KB
93 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.optimizely.com/js/16180790160.js
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:6c00:19b::13b8 , Ascension Island, ASN20940 (AKAMAI-ASN1, EU),
Reverse DNS
Software
AmazonS3 /
Resource Hash
a5e4dc4678e0df5e70249827f4dfe80e44810619d5cbc7219f32949922f138fe
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

x-amz-meta-pci_enabled
False
x-amz-version-id
v9F1D8dgiAwDpvvswH.e5opGzywy1xn3
content-encoding
gzip
etag
"5005478f70472ac28368d70643e153d8"
x-amz-request-id
B8E15F09B1A846AD
status
200
x-amz-replication-status
COMPLETED
access-control-allow-methods
GET, HEAD
server-timing
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vary
Accept-Encoding
content-length
94555
x-amz-id-2
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last-modified
Fri, 08 May 2020 17:00:14 GMT
server
AmazonS3
date
Sun, 10 May 2020 13:43:04 GMT
access-control-max-age
86400
strict-transport-security
max-age=15768000
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
x-amz-meta-revision
cache-control
max-age=120
x-amz-meta-revision
2388
accept-ranges
bytes
timing-allow-origin
*
access-control-allow-headers
*
m2.css
glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/ 		44 KB
30 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
087a4c7aa118304c5ce85d5917d95a49b3c93204ef3500752dfde52595e4eac6
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
1047
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c42a30000145afa3cc200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
text/css
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=14400
access-control-allow-credentials
true
cf-ray
5914164a9d36145a-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Sun, 10 May 2020 17:43:04 GMT
analytics.js
www.google-analytics.com/ 		45 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:817::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
2f1fd973e6c48489ae07c467e3278635b856c698d1f502e06af3ab555937deac
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Thu, 30 Apr 2020 21:54:13 GMT
server
Golfe2
age
3869
date
Sun, 10 May 2020 12:38:35 GMT
vary
Accept-Encoding
content-type
text/javascript
status
200
cache-control
public, max-age=7200
alt-svc
h3-27=":443"; ma=2592000,h3-25=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
18433
expires
Sun, 10 May 2020 14:38:35 GMT
1*25Akp0ID7g7KRyM9jTC7rw.png
miro.medium.com/max/308/ 		15 KB
15 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/308/1*25Akp0ID7g7KRyM9jTC7rw.png
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
1147247
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3204-f09a946
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
15503
cf-request-id
02a06c42e70000145afa3da200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b0e38145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*ucbcp2iwT2aAYp9f2SU52Q.jpeg
miro.medium.com/fit/c/96/96/ 		3 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/fit/c/96/96/1*ucbcp2iwT2aAYp9f2SU52Q.jpeg
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
9449b1845a440b5f39e2e71c7e7096fcdce1758048719fa3c9bc264cf6f9e732
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
274548
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3196-7da812a
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
3361
cf-request-id
02a06c42e70000145afa3d9200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b0e35145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
0*qPD741uxGb8ldrYt
miro.medium.com/max/60/ 		825 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/60/0*qPD741uxGb8ldrYt?q=20
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
67a4ffce457bf1de41d1df20ac8e61a8c290f69bd2cd760edb8569ff48b09915
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
DYNAMIC
status
200
x-envoy-upstream-service-time
20
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
825
cf-request-id
02a06c42e70000145afa3dd200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15552000; includeSubDomains; preload
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, must-revalidate, max-age=2592000
medium-fulfilled-by
miro/master-20200501-171914-14892c7e05
accept-ranges
bytes
cf-ray
5914164b0e41145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 UTC
0*qPD741uxGb8ldrYt
miro.medium.com/max/3240/ 		660 KB
661 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/3240/0*qPD741uxGb8ldrYt
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
59441178fc7001fce5f2c92966a198d52532ec8c2a1fb02c08fa80b3a4496028
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
DYNAMIC
status
200
x-envoy-upstream-service-time
51
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
676036
cf-request-id
02a06c42e70000145afa3dc200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15552000; includeSubDomains; preload
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, must-revalidate, max-age=2592000
medium-fulfilled-by
miro/master-20200501-171914-14892c7e05
accept-ranges
bytes
cf-ray
5914164b0e3d145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 UTC
1*Yhkh7jbS5Mx9uP96Y88pZg.gif
miro.medium.com/freeze/max/60/ 		788 B
889 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/freeze/max/60/1*Yhkh7jbS5Mx9uP96Y88pZg.gif?q=20
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
7751fe44e07f028da405553b2e83d135e4fd1d3482c307eea3fc0f49abbede53
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
870782
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3196-7da812a
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
788
cf-request-id
02a06c42e70000145afa3db200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b0e3b145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*Yhkh7jbS5Mx9uP96Y88pZg.gif
miro.medium.com/max/1400/ 		2 MB
2 MB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/1400/1*Yhkh7jbS5Mx9uP96Y88pZg.gif
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c3e725129d2f8ceb403e480fb7edc0effacf52963486f8380333cc852d7d936c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
1702429
status
200
x-envoy-upstream-service-time
83
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
1943407
cf-request-id
02a06c42e70000145afa3de200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/gif
access-control-allow-origin
*
cache-control
public, max-age=2592000
medium-fulfilled-by
miro/master-20200318-221412-0f074c9912
accept-ranges
bytes
cf-ray
5914164b0e44145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*ACtBy8CIepVTOSYcVwZ34Q.png
miro.medium.com/max/60/ 		432 B
546 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/60/1*ACtBy8CIepVTOSYcVwZ34Q.png?q=20
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
cdc94db9924184e4ba80a5a27abd1a887062824476076c0c9e7ecf8a2fa9c4e9
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
3321
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3209-f49543a
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
432
cf-request-id
02a06c42f90000145afa3e0200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b2eb4145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*ACtBy8CIepVTOSYcVwZ34Q.png
miro.medium.com/max/2000/ 		20 KB
20 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/2000/1*ACtBy8CIepVTOSYcVwZ34Q.png
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8cff8606a70353c8897ca45548ac2735ce76e832ae054e9a78e63babbf663983
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
1619428
status
200
x-envoy-upstream-service-time
53
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
20726
cf-request-id
02a06c42fb0000145afa3e1200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
medium-fulfilled-by
miro/master-20200415-195325-37575c6a7d
accept-ranges
bytes
cf-ray
5914164b2ec4145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
truncated
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0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
4c0cc04185396c9a83cfda3644c23327d7d8ff9247157c438575b83713894173

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

Content-Type
image/svg+xml
0*kq0PPkKjTSvPiXXp
miro.medium.com/max/320/ 		17 KB
17 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/320/0*kq0PPkKjTSvPiXXp
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
8bcb04a3a79c126a375e4195dcf933f04325f8e37581e03309123269079ba049
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
DYNAMIC
status
200
x-envoy-upstream-service-time
24
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
17550
cf-request-id
02a06c42fe0000145afa3e2200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15552000; includeSubDomains; preload
content-type
image/png
access-control-allow-origin
*
cache-control
public, must-revalidate, max-age=2592000
medium-fulfilled-by
miro/master-20200501-171914-14892c7e05
accept-ranges
bytes
cf-ray
5914164b3ed6145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 UTC
1*2nIak4DHSE3NtpxljcLfqQ.png
miro.medium.com/max/320/ 		18 KB
18 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/320/1*2nIak4DHSE3NtpxljcLfqQ.png
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
1058140
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3197-fb89d63
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
18467
cf-request-id
02a06c43230000145afa3e3200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b6f61145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*_KhPP7io0QJ06y_H7Ztl-Q.gif
miro.medium.com/freeze/max/320/ 		10 KB
11 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/freeze/max/320/1*_KhPP7io0QJ06y_H7Ztl-Q.gif
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
d2398e1d82f8caad28ab3b73306be39f3f28ff1fe4f98fd0ffa469a8fe8d38fc
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
1119927
x-powered-by
Geomyidae artificij
x-obvious-info
16.3, 3196-7da812a
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
10697
cf-request-id
02a06c43280000145afa3e5200000001
pragma
public
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
bytes
cf-ray
5914164b7f82145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
1*4ihBhwd0DygCWHN-Bo24BA.png
miro.medium.com/max/320/ 		8 KB
8 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/320/1*4ihBhwd0DygCWHN-Bo24BA.png
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
a18c95e41af92e88ae5f078fba7fda0b0aa45659ba479b192b55fdc45b3318c4
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
414098
status
200
x-envoy-upstream-service-time
156
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
content-length
8105
cf-request-id
02a06c433a0000145afa3e8200000001
pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
medium-fulfilled-by
miro/master-20200304-235013-e965015158
accept-ranges
bytes
cf-ray
5914164b9fd7145a-FRA
expires
Tue, 09 Jun 2020 13:43:04 GMT
truncated
/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
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Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
Origin
https://blog.bitsrc.io

Response headers

Content-Type
font/opentype
truncated
/ 		10 KB
10 KB 		Font
General
Check archive.org
Download Go to
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
ef1ed6a034a5055a869c7c25765ee1f2844a27a54e83e8a857d77b3f1cd83dd3

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
Origin
https://blog.bitsrc.io

Response headers

Content-Type
font/opentype
fell-400-normal.woff
glyph.medium.com/font/78ce731/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/ 		14 KB
14 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/78ce731/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/fell-400-normal.woff
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f57137897a4e676f0d2199b79def1a95b253a1a938dff9d8ba10519f3beb2b08
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
8054651
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c4304000005d0db9b9200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164b3cfe05d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
truncated
/ 		10 KB
10 KB 		Font
General
Check archive.org
Download Go to
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
a3d669b687929b3aa777fdd2c400c2b8c6b794978536a64d7e1f71edcf8037e8

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
Origin
https://blog.bitsrc.io

Response headers

Content-Type
font/opentype
charter-700-normal.woff
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10 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/f50d520/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/charter-700-normal.woff
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
41532aec4c3a3a0747ca853b064ef7a96483a95798a6526974ec043997e2ccf9
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
25077145
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c4304000005d0db9bb200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164b3d0505d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
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glyph.medium.com/font/24e0824/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/ 		10 KB
10 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/24e0824/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/marat-sans-300-italic.woff
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
84a548a3f01f6d92045be9ae44e89520ed11505928139d831749385a36aee74c
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
16781114
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c4304000005d0db9ba200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164b3d0105d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
charter-400-italic.woff
glyph.medium.com/font/81d2bf1/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/ 		10 KB
11 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/81d2bf1/0-3j_4g_6bu_6c4_6c8_6c9_6cc_6cd_6ci_6cm/charter-400-italic.woff
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f0b9a9e4ea994c106a4fc595828ca1332b2cd0435d5d159d26d1773344d97367
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
1416828
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c4304000005d0db9bc200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164b3d0605d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
marat-sans-400-normal.woff
glyph.medium.com/font/d8659c9/3k-4f_4h-6bt_6bv-6c3_6c5-6c7_6ca-6cb_6ce-6ch_6cj-6cl_6cn-nvnj/ 		14 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/d8659c9/3k-4f_4h-6bt_6bv-6c3_6c5-6c7_6ca-6cb_6ce-6ch_6cj-6cl_6cn-nvnj/marat-sans-400-normal.woff
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
12fe85ec038af8c41ba830412520589dbd125d417913c10a57838ac92ab96192
Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
16699244
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c4354000005d0db9cd200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164bbeca05d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
marat-sans-600-normal.woff
glyph.medium.com/font/6f4b679/3k-4f_4h-6bt_6bv-6c3_6c5-6c7_6ca-6cb_6ce-6ch_6cj-6cl_6cn-nvnj/ 		15 KB
15 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://glyph.medium.com/font/6f4b679/3k-4f_4h-6bt_6bv-6c3_6c5-6c7_6ca-6cb_6ce-6ch_6cj-6cl_6cn-nvnj/marat-sans-600-normal.woff
Requested by
Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
7475096
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c438e000005d0db9d4200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164c187f05d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
charter-400-normal.woff
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19 KB 		Font
General
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Download Go to
Full URL
https://glyph.medium.com/font/be78681/3k-4f_4h-6bt_6bv-6c3_6c5-6c7_6ca-6cb_6ce-6ch_6cj-6cl_6cn-nvnj/charter-400-normal.woff
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=15552000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Referer
https://glyph.medium.com/css/e/sr/latin/e/ssr/latin/e/ssb/latin/m2.css
Origin
https://blog.bitsrc.io

Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
16609327
status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
cf-request-id
02a06c43ea000005d0db9f8200000001
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
86400
access-control-allow-methods
GET, POST, PUT, DELETE
content-type
application/font-woff
access-control-allow-origin
*
vary
Accept-Encoding
cache-control
public, max-age=31536000
access-control-allow-credentials
true
cf-ray
5914164caabb05d0-FRA
access-control-allow-headers
Accept, Cache-Control, Content-Type, Cookie, DNT, Origin, User-Agent, X-Client-Date, X-Obvious-Cid, X-Opentracing, X-Xsrf-Token, ot-tracer-sampled, ot-tracer-spanid, ot-tracer-traceid
expires
Mon, 10 May 2021 13:43:04 GMT
collect
www.google-analytics.com/r/ 		35 B
199 B 		Image
General
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Download Go to Show image
Full URL
https://www.google-analytics.com/r/collect?v=1&_v=j82&a=1385307294&t=pageview&_s=1&dl=https%3A%2F%2Fblog.bitsrc.io%2Funderstanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0%3Fgi%3D352c36927047&ul=en-us&de=UTF-8&dt=Understanding%20Execution%20Context%20and%20Execution%20Stack%20in%20Javascript&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=IEBAAEAB~&jid=242235257&gjid=2086245696&cid=2001472014.1589118185&tid=UA-24232453-2&_gid=1790631867.1589118185&_r=1&z=867694150
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Host: blog.bitsrc.io
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Reverse DNS
Software
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Resource Hash
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Security Headers
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Request headers

Referer
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User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
status
200
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
alt-svc
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content-length
35
expires
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1*ucbcp2iwT2aAYp9f2SU52Q.jpeg
miro.medium.com/fit/c/160/160/ 		7 KB
7 KB 		Image
General
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Download Go to Show image
Full URL
https://miro.medium.com/fit/c/160/160/1*ucbcp2iwT2aAYp9f2SU52Q.jpeg
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare / Geomyidae artificij
Resource Hash
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Security Headers
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Request headers

Referer
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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
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x-powered-by
Geomyidae artificij
x-obvious-info
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status
200
strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
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content-length
7481
cf-request-id
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pragma
public
server
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etag
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expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/jpeg
access-control-allow-origin
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cache-control
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accept-ranges
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cf-ray
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expires
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1*ds6iXWSFwycgEjbhZiCB4A.png
miro.medium.com/fit/c/160/160/ 		7 KB
7 KB 		Image
General
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Download Go to Show image
Full URL
https://miro.medium.com/fit/c/160/160/1*ds6iXWSFwycgEjbhZiCB4A.png
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Host: blog.bitsrc.io
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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Resource Hash
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Security Headers
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Request headers

Referer
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
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x-powered-by
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x-obvious-info
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content-length
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cf-request-id
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pragma
public
server
cloudflare
etag
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expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
accept-ranges
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cf-ray
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expires
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miro.medium.com/max/270/ 		10 KB
10 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://miro.medium.com/max/270/1*M2FVPPidy2x386MRAE-EeA.png
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URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
cloudflare /
Resource Hash
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Security Headers
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Request headers

Referer
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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
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x-envoy-upstream-service-time
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strict-transport-security
max-age=15552000; includeSubDomains; preload
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9821
cf-request-id
02a06c447d0000145afa3ff200000001
pragma
public
sepia-upstream
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server
cloudflare
etag
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expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
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cache-control
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medium-fulfilled-by
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accept-ranges
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cf-ray
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General
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Download Go to Show image
Full URL
https://miro.medium.com/max/270/1*HyH8oIcJvXp7xzu5oF6dTg.png
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Host: blog.bitsrc.io
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Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
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Security Headers
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Request headers

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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
x-content-type-options
nosniff
cf-cache-status
HIT
age
2133323
status
200
x-envoy-upstream-service-time
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strict-transport-security
max-age=15552000; includeSubDomains; preload
alt-svc
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content-length
10998
cf-request-id
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pragma
public
sepia-upstream
production
server
cloudflare
etag
"16.3"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/png
access-control-allow-origin
*
cache-control
public, max-age=2592000
medium-fulfilled-by
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accept-ranges
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cf-ray
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expires
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manifest.de06aeef.js
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3 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-client.medium.com/lite/static/js/manifest.de06aeef.js
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
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TLS 1.3, , AES_128_GCM
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Software
cloudflare /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
144493
status
200
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last-modified
Fri, 08 May 2020 21:14:37 GMT
server
cloudflare
etag
W/"0b6cfa3ab5ba7981240a2a26f8401db9"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=15552000; includeSubDomains; preload
x-amz-version-id
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content-type
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vary
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cache-control
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cf-request-id
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cf-ray
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expires
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193 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-client.medium.com/lite/static/js/vendors~main.09ac4b3e.chunk.js
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Software
cloudflare /
Resource Hash
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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
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status
200
alt-svc
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last-modified
Fri, 08 May 2020 15:08:19 GMT
server
cloudflare
etag
W/"189446bc78aef96bcaf69a0a7de53a90"
expect-ct
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strict-transport-security
max-age=15552000; includeSubDomains; preload
x-amz-version-id
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content-type
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cache-control
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cf-request-id
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cf-ray
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expires
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main.45f3040a.chunk.js
cdn-client.medium.com/lite/static/js/ 		488 KB
111 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-client.medium.com/lite/static/js/main.45f3040a.chunk.js
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Host: blog.bitsrc.io
URL: https://blog.bitsrc.io/understanding-execution-context-and-execution-stack-in-javascript-1c9ea8642dd0?gi=352c36927047
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:7891 , United States, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
Resource Hash
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Referer
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User-Agent
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Response headers

date
Sun, 10 May 2020 13:43:04 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
145022
status
200
alt-svc
h3-27=":443"; ma=86400, h3-25=":443"; ma=86400, h3-24=":443"; ma=86400, h3-23=":443"; ma=86400
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Fri, 08 May 2020 21:13:34 GMT
server
cloudflare
etag
W/"ed96ed26074f47fc0a085bf82c48b2ce"
expect-ct
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strict-transport-security
max-age=15552000; includeSubDomains; preload
x-amz-version-id
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vary
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cache-control
public, max-age=31536000
cf-request-id
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cf-ray
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expires
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vendors~instrumentation.d7114bfc.chunk.js
cdn-client.medium.com/lite/static/js/ 		62 KB
16 KB 		Script
General
Check archive.org
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27 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| onformdata object| onpointerrawupdate object| perfMetrics string| GoogleAnalyticsObject function| ga object| PARSELY object| google_tag_data object| gaplugins object| gaGlobal object| gaData string| __BUILD_ID__ string| __GRAPHQL_URI__ object| __PRELOADED_STATE__ object| __APOLLO_STATE__ object| webpackJsonp object| core object| __core-js_shared__ object| __SENTRY__ object| regeneratorRuntime function| main object| __APOLLO_CLIENT__ object| optimizelyDataObject object| branch undefined| _ object| optlyCounter function| optlyManualActivation object| optimizely

12 Cookies

Domain/Path Name / Value
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Value: GA1.2.1790631867.1589118185
blog.bitsrc.io/ Name: uid
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2 Console Messages

Source Level URL
Text
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Message:
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console-api log URL: https://cdn-client.medium.com/lite/static/js/main.45f3040a.chunk.js(Line 1)
Message:
We're hiring! https://medium.com/jobs-at-medium/work-at-medium-959d1a85284e

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
X-Frame-Options allow-from medium.com

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

a16180790160.cdn.optimizely.com
api2.branch.io
app.link
blog.bitsrc.io
browser-http-intake.logs.datadoghq.com
cdn-client.medium.com
cdn.branch.io
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collector-medium.lightstep.com
d1z2jf7jlzjs58.cloudfront.net
glyph.medium.com
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medium.com
miro.medium.com
srv-2020-05-10-13.pixel.parsely.com
stats.g.doubleclick.net
www.google-analytics.com
www.google.com
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