URL: https://rxjs.dev/
Submission: On March 17 via api from CA — Scanned from US

Summary

This website contacted 5 IPs in 1 countries across 5 domains to perform 23 HTTP transactions. The main IP is 151.101.65.195, located in United States and belongs to FASTLY, US. The main domain is rxjs.dev. The Cisco Umbrella rank of the primary domain is 507209.
TLS certificate: Issued by GTS CA 1D4 on January 29th 2024. Valid for: 3 months.
This is the only time rxjs.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
17 151.101.65.195 54113 (FASTLY)
1 2606:4700::68... 13335 (CLOUDFLAR...)
3 2607:f8b0:400... 15169 (GOOGLE)
1 2607:f8b0:400... 15169 (GOOGLE)
1 2607:f8b0:400... 15169 (GOOGLE)
23 5
Apex Domain
Subdomains
Transfer
17 rxjs.dev
rxjs.dev — Cisco Umbrella Rank: 507209
210 KB
3 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 36
21 KB
1 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 43
85 KB
1 gstatic.com
fonts.gstatic.com
126 KB
1 bootstrapcdn.com
maxcdn.bootstrapcdn.com — Cisco Umbrella Rank: 1144
7 KB
23 5
Domain Requested by
17 rxjs.dev rxjs.dev
3 www.google-analytics.com rxjs.dev
www.googletagmanager.com
1 www.googletagmanager.com www.google-analytics.com
1 fonts.gstatic.com rxjs.dev
1 maxcdn.bootstrapcdn.com rxjs.dev
23 5

This site contains links to these domains. Also see Links.

Domain
github.com
www.apache.org
creativecommons.org
Subject Issuer Validity Valid
www.itkloud.com
GTS CA 1D4
2024-01-29 -
2024-04-28
3 months crt.sh
bootstrapcdn.com
GTS CA 1P5
2024-01-28 -
2024-04-27
3 months crt.sh
*.google-analytics.com
GTS CA 1C3
2024-02-19 -
2024-05-13
3 months crt.sh
*.gstatic.com
GTS CA 1C3
2024-02-19 -
2024-05-13
3 months crt.sh

This page contains 1 frames:

Primary Page: https://rxjs.dev/
Frame ID: E9A512B03763392462005FC4FDAD1F91
Requests: 23 HTTP requests in this frame

Screenshot

Page Title

RxJS

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtag/js

Page Statistics

23
Requests

100 %
HTTPS

80 %
IPv6

5
Domains

5
Subdomains

5
IPs

1
Countries

449 kB
Transfer

1210 kB
Size

4
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

23 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
rxjs.dev/
7 KB
3 KB
Document
General
Full URL
https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
b9b6370dba06eeba3a7c96f0f8976afb65ff399e4e7ad045e2b257c78a6a4fca
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36
accept-language
en-US,en;q=0.9

Response headers

accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
cache-control
max-age=3600
content-encoding
br
content-length
2474
content-type
text/html; charset=utf-8
date
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etag
"51e812566bebfe04eaf50ecba9087da2bb6ae6857e0e49952c078bbd8b729a4b-br"
last-modified
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link
</generated/navigation.json>;rel=preload;as=fetch,</generated/docs/index.json>;rel=preload;as=fetch
strict-transport-security
max-age=31556926
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
x-cache-hits
1
x-served-by
cache-lga21928-LGA
x-timer
S1710712692.732495,VS0,VE2
navigation.json
rxjs.dev/generated/
3 KB
843 B
Other
General
Full URL
https://rxjs.dev/generated/navigation.json
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d8638931dc54df02fa0670c8df886383c2c1f54f1f4e86dcc6b6b0683631c236
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
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last-modified
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x-timer
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etag
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vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
application/json
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
719
x-cache-hits
1
index.json
rxjs.dev/generated/docs/
3 KB
1 KB
Other
General
Full URL
https://rxjs.dev/generated/docs/index.json
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
1cee1620cd02e301c7f21993956d54cb66e66f7ec63b6072ae0db540bf59f965
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
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x-timer
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etag
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vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
application/json
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
974
x-cache-hits
1
font-awesome.min.css
maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/
30 KB
7 KB
Stylesheet
General
Full URL
https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6812:bcf , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
799aeb25cc0373fdee0e1b1db7ad6c2f6a0e058dfadaa3379689f583213190bd
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

date
Sun, 17 Mar 2024 21:58:11 GMT
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-content-type-options
nosniff
cf-cache-status
HIT
content-encoding
br
cdn-edgestorageid
755
age
355029
cdn-cachedat
11/30/2023 17:43:30
cdn-pullzone
252412
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
last-modified
Mon, 25 Jan 2021 22:04:55 GMT
cdn-proxyver
1.04
cdn-requestpullcode
200
server
cloudflare
etag
W/"269550530cc127b6aa5a35925a7de6ce"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cdn-cache
HIT
cdn-uid
b1941f61-b576-4f40-80de-5677acb38f74
cache-control
public, max-age=31919000
cdn-requestid
ab8626e4b724b111058794b60ba8757c
timing-allow-origin
*
cdn-requestcountrycode
US
cdn-status
200
cf-ray
86603e33aacb8c3b-EWR
cdn-requestpullsuccess
True
devtools-welcome.js
rxjs.dev/assets/js/
372 B
322 B
Script
General
Full URL
https://rxjs.dev/assets/js/devtools-welcome.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
28dce79dbdc7260660aa6f6a66cba5c70ff24e016869605ab55c78c68811196d
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
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etag
"6c72325204d8c297aaccad3eec72da29e20b0e58dfd4d43f44fefe1015a6f1fb-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/javascript; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
188
x-cache-hits
1
runtime.f842fbeb8e29fc9e.js
rxjs.dev/
4 KB
2 KB
Script
General
Full URL
https://rxjs.dev/runtime.f842fbeb8e29fc9e.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
552a739595407d5c807d0a8165776966d72c56b689db9f5945dd61ffd0656ec7
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Referer
https://rxjs.dev/
Origin
https://rxjs.dev
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
S1710712692.752237,VS0,VE24
etag
"b5674bb13a458a01f1193cef221bb12d0aa4ccc077450a23e3aed694d45daed9-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/javascript; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
1768
x-cache-hits
1
polyfills.bc9d8207f7e2cd6f.js
rxjs.dev/
36 KB
12 KB
Script
General
Full URL
https://rxjs.dev/polyfills.bc9d8207f7e2cd6f.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Referer
https://rxjs.dev/
Origin
https://rxjs.dev
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
S1710712692.752210,VS0,VE1
etag
"49d743dbdc75b97b4f69a4242e21e640c04aa8b2c0ea4e2a8e30b3f3ba783eb0-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/javascript; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
11866
x-cache-hits
1
main.c7428e100951acee.js
rxjs.dev/
423 KB
110 KB
Script
General
Full URL
https://rxjs.dev/main.c7428e100951acee.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Referer
https://rxjs.dev/
Origin
https://rxjs.dev
accept-language
en-US,en;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21928-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
S1710712692.753268,VS0,VE3
etag
"8a3bb56ecb80794405b83da6a0a9a51288c62e66069a5bf51f9a0a6fe11cf27a-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/javascript; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
112739
x-cache-hits
1
analytics.js
www.google-analytics.com/
52 KB
21 KB
Script
General
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2607:f8b0:4004:c1d::64 Washington, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Sun, 17 Mar 2024 21:02:00 GMT
last-modified
Tue, 12 Dec 2023 18:09:08 GMT
server
Golfe2
age
3371
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
20994
expires
Sun, 17 Mar 2024 23:02:00 GMT
native-shim.js
rxjs.dev/assets/js/
2 KB
1 KB
Script
General
Full URL
https://rxjs.dev/assets/js/native-shim.js
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21983-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
S1710712692.809949,VS0,VE2
etag
"f7ca5ca067e1c5dc992d6d4f13eae108d651fcd8b20079af0e12ccf02cb5a261-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/javascript; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
760
x-cache-hits
1
styles.58ea2943a1edb3f1.css
rxjs.dev/
197 KB
18 KB
Stylesheet
General
Full URL
https://rxjs.dev/styles.58ea2943a1edb3f1.css
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
f8a2fb8026eb1161d699eae482a082252c5e155018ef618e18a00d5a8e4b8144
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
en-US,en;q=0.9
Referer
https://rxjs.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.6261.128 Safari/537.36

Response headers

x-served-by
cache-lga21983-LGA
strict-transport-security
max-age=31556926
content-encoding
br
date
Sun, 17 Mar 2024 21:58:11 GMT
last-modified
Mon, 26 Jun 2023 13:57:01 GMT
x-timer
S1710712692.822411,VS0,VE2
etag
"5f2b8843986cb85e1856e0473fb677b46d8df6e454b9369c5c801f165c7bb78e-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/css; charset=utf-8
cache-control
max-age=3600
accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
content-length
17838
x-cache-hits
1
navigation.json
rxjs.dev/generated/
3 KB
1020 B
XHR
General
Full URL
https://rxjs.dev/generated/navigation.json
Requested by
Host: rxjs.dev
URL: https://rxjs.dev/polyfills.bc9d8207f7e2cd6f.js
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
151.101.65.195 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
d8638931dc54df02fa0670c8df886383c2c1f54f1f4e86dcc6b6b0683631c236
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

Accept
application/json, text/plain, */*
Referer
https://rxjs.dev/
accept-language
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Verdicts & Comments Add Verdict or Comment

160 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| tag string| GoogleAnalyticsObject function| ga undefined| polyfillUrl undefined| xhr function| loadCustomElementsShim function| loadCustomElementsPolyfill string| welcomeText object| webpackChunksite function| Zone function| __zone_symbol__Promise function| __zone_symbol__fetch function| __zone_symbol__queueMicrotask function| __zone_symbol__setTimeout function| __zone_symbol__clearTimeout function| __zone_symbol__setInterval function| __zone_symbol__clearInterval function| __zone_symbol__requestAnimationFrame function| __zone_symbol__cancelAnimationFrame function| __zone_symbol__webkitRequestAnimationFrame function| __zone_symbol__webkitCancelAnimationFrame function| __zone_symbol__alert function| __zone_symbol__prompt function| __zone_symbol__confirm function| __zone_symbol__MutationObserver function| __zone_symbol__WebKitMutationObserver function| __zone_symbol__IntersectionObserver function| __zone_symbol__FileReader boolean| __zone_symbol__ononabortpatched 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4 Cookies

Domain/Path Name / Value
.rxjs.dev/ Name: _ga
Value: GA1.2.1815784646.1710712692
.rxjs.dev/ Name: _gid
Value: GA1.2.1214548464.1710712692
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Value: 1
.rxjs.dev/ Name: _ga_1Q61E2ZR91
Value: GS1.2.1710712692.1.0.1710712692.0.0.0

2 Console Messages

Source Level URL
Text
other warning URL: https://rxjs.dev/polyfills.bc9d8207f7e2cd6f.js
Message:
A preload for 'https://rxjs.dev/generated/navigation.json' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.
other warning URL: https://rxjs.dev/polyfills.bc9d8207f7e2cd6f.js
Message:
A preload for 'https://rxjs.dev/generated/docs/index.json' is found, but is not used because the request credentials mode does not match. Consider taking a look at crossorigin attribute.

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=31556926

Indicators

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