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blog.acolyer.org Open in urlscan Pro
192.0.78.12  Public Scan

Go To Rescan Add Verdict Report
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Submission: On May 17 via automatic, source hackernews
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 12 IPs in 3 countries across 8 domains to perform 47 HTTP transactions. The main IP is 192.0.78.12, located in San Francisco, United States and belongs to AUTOMATTIC - Automattic, Inc, US. The main domain is blog.acolyer.org.
TLS certificate: Issued by Let's Encrypt Authority X3 on April 30th 2019. Valid for: 3 months.
This is the only time blog.acolyer.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 192.0.78.12 2635 (AUTOMATTIC)
17 192.0.77.32 2635 (AUTOMATTIC)
8 192.0.72.20 2635 (AUTOMATTIC)
5 2a04:fa87:fff... 2635 (AUTOMATTIC)
3 2a00:1450:400... 15169 (GOOGLE)
4 192.0.76.3 2635 (AUTOMATTIC)
1 2a00:1450:400... 15169 (GOOGLE)
4 2606:2800:234... 15133 (EDGECAST)
1 192.0.78.19 2635 (AUTOMATTIC)
1 2606:2800:134... 15133 (EDGECAST)
1 104.244.42.136 13414 (TWITTER)
47 12
2    192.0.78.12 (San Francisco, United States)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
blog.acolyer.org
17    192.0.77.32 (San Francisco, United States)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
PTR: wordpress.com
s0.wp.com
s1.wp.com
s2.wp.com
widgets.wp.com
8    192.0.72.20 (San Francisco, United States)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
adriancolyer.files.wordpress.com
5    2a04:fa87:fffe::c000:4902 (Ireland)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
1.gravatar.com
0.gravatar.com
secure.gravatar.com
3    2a00:1450:4001:80b::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)
www.google.com
4    192.0.76.3 (San Francisco, United States)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
stats.wp.com
pixel.wp.com
1    2a00:1450:4001:806::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE - Google LLC, US)
www.gstatic.com
4    2606:2800:234:46c:e8b:1e2f:2bd:694 (United States)

ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US)
platform.twitter.com
1    192.0.78.19 (San Francisco, United States)

ASN2635 (AUTOMATTIC - Automattic, Inc, US)
r-login.wordpress.com
1    2606:2800:134:fa2:1627:1fe:edb:1665 (United States)

ASN15133 (EDGECAST - MCI Communications Services, Inc. d/b/a Verizon Business, US)
cdn.syndication.twimg.com
1    104.244.42.136 (United States)

ASN13414 (TWITTER - Twitter Inc., US)
syndication.twitter.com
Domain Requested by
8 adriancolyer.files.wordpress.com blog.acolyer.org
8 s0.wp.com blog.acolyer.org
4 platform.twitter.com s0.wp.com
platform.twitter.com
4 s1.wp.com blog.acolyer.org
3 pixel.wp.com blog.acolyer.org
3 www.google.com blog.acolyer.org
www.gstatic.com
3 s2.wp.com blog.acolyer.org
3 0.gravatar.com blog.acolyer.org
s1.wp.com
2 widgets.wp.com blog.acolyer.org
s1.wp.com
2 blog.acolyer.org s1.wp.com
1 syndication.twitter.com blog.acolyer.org
1 cdn.syndication.twimg.com platform.twitter.com
1 r-login.wordpress.com blog.acolyer.org
1 secure.gravatar.com blog.acolyer.org
1 www.gstatic.com www.google.com
1 stats.wp.com blog.acolyer.org
1 1.gravatar.com blog.acolyer.org
47 17
Subject Issuer Validity Valid
tls.automattic.com
Let's Encrypt Authority X3		 2019-04-30 -
2019-07-29		 3 months crt.sh
*.wp.com
Go Daddy Secure Certificate Authority - G2		 2018-04-10 -
2020-05-11		 2 years crt.sh
*.files.wordpress.com
Sectigo RSA Domain Validation Secure Server CA		 2019-01-15 -
2021-01-14		 2 years crt.sh
*.gravatar.com
COMODO RSA Domain Validation Secure Server CA		 2018-09-06 -
2020-09-05		 2 years crt.sh
www.google.com
Google Internet Authority G3		 2019-04-16 -
2019-07-09		 3 months crt.sh
*.google.com
Google Internet Authority G3		 2019-04-30 -
2019-07-23		 3 months crt.sh
*.twimg.com
DigiCert SHA2 High Assurance Server CA		 2018-11-19 -
2019-11-27		 a year crt.sh
*.wordpress.com
COMODO RSA Domain Validation Secure Server CA		 2018-09-06 -
2020-09-05		 2 years crt.sh
syndication.twitter.com
DigiCert SHA2 High Assurance Server CA		 2019-01-24 -
2020-01-24		 a year crt.sh

This page contains 7 frames:

Primary Page: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Frame ID: 4A3DEBEFA6482B33E156E01732D1C042
Requests: 42 HTTP requests in this frame

Frame: https://widgets.wp.com/likes/master.html?ver=20190321
Frame ID: 0AC7B3B9C96C953B085EEF5B084C5A66
Requests: 1 HTTP requests in this frame

Frame: https://r-login.wordpress.com/remote-login.php?wpcom_remote_login=key&origin=aHR0cHM6Ly9ibG9nLmFjb2x5ZXIub3Jn&wpcomid=23592848&time=1558081868
Frame ID: 9A58791B7539ED76185E597B191C15AC
Requests: 1 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/anchor?ar=1&k=6LcmyE0UAAAAALID28yVNg7pFCodGaArJzHitez_&co=aHR0cHM6Ly9ibG9nLmFjb2x5ZXIub3JnOjQ0Mw..&hl=en&type=image&v=v1557729121476&theme=light&size=normal&cb=h7r65p4ebn1n
Frame ID: 92B18CBD135912407E98DFD105DBB7DD
Requests: 1 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/widget_iframe.fb066ff7f5f4afee7716887031da2ea8.html?origin=https%3A%2F%2Fblog.acolyer.org&settingsEndpoint=https%3A%2F%2Fsyndication.twitter.com%2Fsettings
Frame ID: 2C1A8CA69C4612E28558DBFF1D646916
Requests: 1 HTTP requests in this frame

Frame: https://www.google.com/recaptcha/api2/bframe?hl=en&v=v1557729121476&k=6LcmyE0UAAAAALID28yVNg7pFCodGaArJzHitez_&cb=pew4ar30l6cr
Frame ID: 04E8C8A4580EAC29027DF03EA768AEF9
Requests: 1 HTTP requests in this frame

Frame: https://widgets.wp.com/likes/index.html?ver=20190321
Frame ID: 59FFF8640E4EFA0C52404EBE6D0E90D9
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

Overall confidence: 100%
Detected patterns
  • html /<link rel=["']stylesheet["'] [^>]+wp-(?:content|includes)/i
  • html /<link[^>]+s\d+\.wp\.com/i
  • script /\/wp-includes\//i
  • meta generator /WordPress( [\d.]+)?/i
Overall confidence: 100%
Detected patterns
  • html /<link rel=["']stylesheet["'] [^>]+wp-(?:content|includes)/i
  • html /<link[^>]+s\d+\.wp\.com/i
  • script /\/wp-includes\//i
  • meta generator /WordPress( [\d.]+)?/i
Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 100%
Detected patterns
  • env /^Gravatar$/i
Overall confidence: 100%
Detected patterns
  • script /\/\/platform\.twitter\.com\/widgets\.js/i
Overall confidence: 100%
Detected patterns
  • env /^twemoji$/i
Overall confidence: 100%
Detected patterns
  • env /^jQuery$/i
Overall confidence: 100%
Detected patterns
  • env /^Recaptcha$/i

Page Statistics

47
Requests

100 %
HTTPS

45 %
IPv6

8
Domains

17
Subdomains

12
IPs

3
Countries

816 kB
Transfer

1481 kB
Size

0
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

47 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/ 		69 KB
20 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.78.12 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
Software
nginx /
Resource Hash
ed0a42d94d81ff8dc308636a490bedec31dc925a2851a5ebb54fc0db7ae4166c
Security Headers
Name Value
Strict-Transport-Security max-age=86400

Request headers

:method
GET
:authority
blog.acolyer.org
:scheme
https
:path
/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 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
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

status
200
server
nginx
date
Fri, 17 May 2019 08:32:26 GMT
content-type
text/html; charset=UTF-8
strict-transport-security
max-age=86400
vary
Accept-Encoding Cookie
last-modified
Fri, 17 May 2019 08:31:08 GMT
cache-control
max-age=222, must-revalidate
x-nananana
Batcache
x-hacker
If you're reading this, you should visit automattic.com/jobs and apply to join the fun, mention this header.
x-pingback
https://blog.acolyer.org/xmlrpc.php
link
<https://wp.me/p1AZzO-2f5>; rel=shortlink
content-encoding
gzip
x-ac
1.fra _dfw
/
s0.wp.com/_static/ 		90 KB
33 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://s0.wp.com/_static/??-eJyNktFSAyEMRX9IilVrnxy/hWVTmpYAQ7Jd9+/NdmvV2mF8YXJDTjLcYMdifE4CSSwNpsQhYGI7Fp/JMGGE6UatPPODvY9ViE6gNyWz3KgWFvEIbA8gxfmjOatWOaYdJpTJyh5IwTJ09oQBo0seriAmH4derzVhe2SxXczn9l11dbIsU4QVYWqN8rmC5qk4mSsIenQQdWqSFjZiH0CW0UtsBD6aCJXXr0FzuFcnmiYsO+m6UoHZ6Ek4kFkc+cPdM+piwD9eIblcNvoDQZuyoFJ8DVq9AmSj9jvBnH4Js4sOa/tT6eKChuHs57ecoXd6W28226eX9fb58fAJKwoOvw==?cssminify=yes
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.77.32 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
wordpress.com
Software
nginx /
Resource Hash
3dd98513373787fb969b16651624b144f93264297c0b61d7373f256b31320fde

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 32
date
Fri, 17 May 2019 08:32:26 GMT
content-encoding
gzip
last-modified
Tue, 07 May 2019 15:10:04 GMT
server
nginx
etag
W/"5cd19fcc-166a8"
vary
Accept-Encoding
content-type
text/css;charset=utf-8
status
200
cache-control
max-age=31536000
x-ac
4.fra _dfw
expires
Wed, 06 May 2020 15:10:49 GMT
/
s0.wp.com/_static/ 		54 KB
25 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://s0.wp.com/_static/??-eJx9i0EKAjEMRS9kzQxad+JZMqW2kTQpTQavLy5EZAZX/314D549JBXP4tDW0HktJAaYnFQWHF86JrMD7OtdzcOdkQZYxUFSPvuvMk2EHFiL/p5N5DW3bFDPUFgX5Ldwa9c5xssUT1OcHy/FOEmr?cssminify=yes
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.77.32 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
wordpress.com
Software
nginx /
Resource Hash
8ea3e03fd4cb08c18a47c1ca2c96689f2a596dcd993af20515f15d49e055ebf5

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 32
date
Fri, 17 May 2019 08:32:26 GMT
content-encoding
gzip
last-modified
Tue, 23 Apr 2019 20:57:53 GMT
server
nginx
etag
W/"5cbf7c51-d8ca"
vary
Accept-Encoding
content-type
text/css;charset=utf-8
status
200
cache-control
max-age=31536000
x-ac
4.fra _dfw
expires
Wed, 22 Apr 2020 20:57:56 GMT
/
s1.wp.com/_static/ 		161 KB
51 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://s1.wp.com/_static/??-eJyFj+EKwjAMhF/Irug6/CU+S91iSW3T2rQb+vS2oD8cQyEQjnzcXeQSBdLoygQsbZ17gfR4r87yTv4ChEeTdIbOI33gMVAGyo2NgbMHZm1g4+rDBR2IwpAqQLnGXMOa80VEVwwSywSuRk2iua7Uhvv3I0gzwvIXs5CjHm8iAeOzdT77034Y1KHvj0rZFzMJcHE=
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.77.32 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
wordpress.com
Software
nginx /
Resource Hash
b38838355a71cd745ebd93f54af88fe753179de1145001af9fc4fe9f1511a313

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 32
date
Fri, 17 May 2019 08:32:26 GMT
content-encoding
gzip
last-modified
Tue, 02 Apr 2019 19:36:31 GMT
server
nginx
etag
W/"5ca3b9bf-285ba"
vary
Accept-Encoding
content-type
application/x-javascript
status
200
cache-control
max-age=31536000
x-ac
4.fra _dfw
expires
Thu, 23 Apr 2020 13:59:46 GMT
style.css
s0.wp.com/wp-content/mu-plugins/highlander-comments/ 		19 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://s0.wp.com/wp-content/mu-plugins/highlander-comments/style.css?m=1530132353h&cssminify=yes
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.77.32 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
wordpress.com
Software
nginx /
Resource Hash
89d01b152beefa0885d7821cea6cc319054d5e272549b004479a6ac81ecafee3

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 32
date
Fri, 17 May 2019 08:32:26 GMT
content-encoding
gzip
server
nginx
etag
W/"5b33f7b7-5e1f"
vary
Accept-Encoding
content-type
text/css
status
200
cache-control
max-age=31536000
x-ac
4.fra _dfw
expires
Fri, 22 Nov 2019 08:30:13 GMT
/
s1.wp.com/ 		776 B
552 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://s1.wp.com/?custom-css=1&csblog=1AZzO&cscache=6&csrev=8
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.77.32 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
wordpress.com
Software
nginx /
Resource Hash
9a4662c145997e739d3afcffebba8160112b4d6de341f1e168ef794f0cbd5e55

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-hacker
If you're reading this, you should visit automattic.com/jobs and apply to join the fun, mention this header.
date
Fri, 17 May 2019 08:32:26 GMT
content-encoding
gzip
server
nginx
vary
Accept-Encoding
content-type
text/css;charset=utf-8
status
200
expires
Fri, 22 Nov 2019 08:32:30 GMT
x-ac
4.fra _dfw
x-nc
HIT fra 32
golang-bugs-table-1.jpeg
adriancolyer.files.wordpress.com/2019/05/ 		78 KB
79 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://adriancolyer.files.wordpress.com/2019/05/golang-bugs-table-1.jpeg?w=520&h=255
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.72.20 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
Software
nginx /
Resource Hash
f043173ec75f687dd7723608f9d57e6833d0d9be811a22d4f2bd9fb0eb392ca2

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 20 np
date
Fri, 17 May 2019 08:32:26 GMT
last-modified
Thu, 09 May 2019 10:28:20 GMT
server
nginx
vary
Accept
content-type
image/webp
status
200
x-orig-src
0_imageresize
accept-ranges
bytes
content-length
80380
expires
Tue, 25 Jun 2019 13:37:32 GMT
golang-bugs-table-2.jpeg
adriancolyer.files.wordpress.com/2019/05/ 		64 KB
64 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://adriancolyer.files.wordpress.com/2019/05/golang-bugs-table-2.jpeg?w=480&h=255
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.72.20 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
Software
nginx /
Resource Hash
a20be441f0b7aa56d622c4414ac6beb1523938afba5f216b4ed07ebe5152daf1

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 20 np
date
Fri, 17 May 2019 08:32:26 GMT
last-modified
Thu, 09 May 2019 10:28:28 GMT
server
nginx
vary
Accept
content-type
image/webp
status
200
x-orig-src
0_imageresize
accept-ranges
bytes
content-length
65248
expires
Thu, 13 Jun 2019 09:08:05 GMT
golang-bugs-table-3.jpeg
adriancolyer.files.wordpress.com/2019/05/ 		65 KB
65 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://adriancolyer.files.wordpress.com/2019/05/golang-bugs-table-3.jpeg?w=480&h=195
Requested by
Host: blog.acolyer.org
URL: https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
192.0.72.20 San Francisco, United States, ASN2635 (AUTOMATTIC - Automattic, Inc, US),
Reverse DNS
Software
nginx /
Resource Hash
e78b7705e6aacf7ea00bc7ace379ff47b2b202cb45eabcd1dd33b9633c753046

Request headers

Referer
https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36

Response headers

x-nc
HIT fra 20 np
date
Fri, 17 May 2019 08:32:26 GMT
last-modified
Thu, 09 May 2019 10:28:47 GMT
server
nginx
vary
Accept
content-type
image/webp
status
200
x-orig-src
0_imageresize
accept-ranges
bytes
content-length
66864
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https://blog.acolyer.org/2019/05/17/understanding-real-world-concurrency-bugs-in-go/

Response headers

status
200
server
nginx
date
Fri, 17 May 2019 08:32:27 GMT
content-type
text/html
content-length
126
last-modified
Sat, 23 Dec 2017 00:24:47 GMT
etag
"5a3da24f-7e"
x-ac
4.fra _dfw
x-nc
HIT fra 32
accept-ranges
bytes

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83 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| onselectstart object| onselectionchange function| queueMicrotask string| wpcom_remote_login_extra_auth function| wpcom_remote_login_remove_dom_node_id function| wpcom_remote_login_remove_dom_node_classes function| wpcom_remote_login_final_cleanup function| addLoadEvent object| _wpemojiSettings object| related_posts_js_options object| NO_JQUERY object| wpcom_mobile_user_agent_info undefined| $ function| jQuery function| pm object| jQuery112409524222501278596 object| Jetpack function| highlander_expando_javascript object| twemoji object| wp function| hex_md5 function| b64_md5 function| str_md5 function| hex_hmac_md5 function| b64_hmac_md5 function| str_hmac_md5 function| md5_vm_test function| core_md5 function| md5_cmn function| md5_ff function| md5_gg function| md5_hh function| md5_ii function| core_hmac_md5 function| safe_add function| bit_rol function| str2binl function| binl2str function| binl2hex function| binl2b64 object| Gravatar object| GProfile number| hexcase string| b64pad number| chrsz object| WPGroHo object| HighlanderComments object| WPCOM_sharing_counts object| actionbardata object| sharing_js_options object| ___grecaptcha_cfg object| grecaptcha boolean| __google_recaptcha_client object| wpcom_img_zoomer object| jetpackLikesWidgetQueue object| jetpackLikesWidgetBatch boolean| jetpackLikesMasterReady function| JetpackLikespostMessage function| JetpackLikesBatchHandler function| JetpackLikesMessageListener function| JetpackLikesWidgetQueueHandler object| wpcom object| ak_js object| commentForm undefined| replyRowContainer undefined| children object| WPCOMSharing object| detectZoom object| addComment undefined| windowOpen object| _tkq object| _stq string| mobileStatsQueryString string| new_css function| st_go function| ex_go function| re_go function| linktracker_init object| recaptcha object| closure_lm_584838 object| __twttrll object| twttr object| __twttr

0 Cookies

3 Console Messages

Source Level URL
Text
console-api log URL: https://s1.wp.com/_static/??-eJyFj+EKwjAMhF/Irug6/CU+S91iSW3T2rQb+vS2oD8cQyEQjnzcXeQSBdLoygQsbZ17gfR4r87yTv4ChEeTdIbOI33gMVAGyo2NgbMHZm1g4+rDBR2IwpAqQLnGXMOa80VEVwwSywSuRk2iua7Uhvv3I0gzwvIXs5CjHm8iAeOzdT77034Y1KHvj0rZFzMJcHE=(Line 8)
Message:
JQMIGRATE: Migrate is installed, version 1.4.1
console-api info URL: https://platform.twitter.com/widgets.js(Line 1)
Message:
You may have been affected by an update to settings in embedded timelines. See https://twittercommunity.com/t/deprecating-widget-settings/102295.
console-api error URL: https://platform.twitter.com/widgets.js(Line 1)
Message:
Profile timeline for screen_name: 519408925733425153 not found

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
Strict-Transport-Security max-age=86400

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.

0.gravatar.com
1.gravatar.com
adriancolyer.files.wordpress.com
blog.acolyer.org
cdn.syndication.twimg.com
pixel.wp.com
platform.twitter.com
r-login.wordpress.com
s0.wp.com
s1.wp.com
s2.wp.com
secure.gravatar.com
stats.wp.com
syndication.twitter.com
widgets.wp.com
www.google.com
www.gstatic.com
104.244.42.136
192.0.72.20
192.0.76.3
192.0.77.32
192.0.78.12
192.0.78.19
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