Submitted URL: http://api.flutter.dev/
Effective URL: https://api.flutter.dev/
Submission: On December 01 via api from US — Scanned from DE

Summary

This website contacted 7 IPs in 2 countries across 6 domains to perform 31 HTTP transactions. The main IP is 2620:0:890::100, located in United States and belongs to FASTLY, US. The main domain is api.flutter.dev. The Cisco Umbrella rank of the primary domain is 937939.
TLS certificate: Issued by GTS CA 1D4 on November 19th 2023. Valid for: 3 months.
This is the only time api.flutter.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

Apex Domain
Subdomains
Transfer
12 flutter.dev
api.flutter.dev — Cisco Umbrella Rank: 937939
1 MB
8 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 29
storage.googleapis.com — Cisco Umbrella Rank: 287
7 KB
5 gstatic.com
fonts.gstatic.com
385 KB
3 google-analytics.com
region1.google-analytics.com — Cisco Umbrella Rank: 2189
362 B
2 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 36
172 KB
1 github.io
flutter.github.io — Cisco Umbrella Rank: 397048
872 B
31 6
Domain Requested by
12 api.flutter.dev api.flutter.dev
7 fonts.googleapis.com api.flutter.dev
5 fonts.gstatic.com fonts.googleapis.com
3 region1.google-analytics.com www.googletagmanager.com
2 www.googletagmanager.com api.flutter.dev
www.googletagmanager.com
1 storage.googleapis.com api.flutter.dev
1 flutter.github.io api.flutter.dev
31 7

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

Domain
flutter.dev
master-api.flutter.dev
github.com
zealdocs.org
pub.dev
Subject Issuer Validity Valid
api.flutter.dev
GTS CA 1D4
2023-11-19 -
2024-02-17
3 months crt.sh
upload.video.google.com
GTS CA 1C3
2023-10-23 -
2024-01-15
3 months crt.sh
*.github.io
DigiCert TLS RSA SHA256 2020 CA1
2023-02-21 -
2024-03-20
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-10-23 -
2024-01-15
3 months crt.sh
*.gstatic.com
GTS CA 1C3
2023-10-23 -
2024-01-15
3 months crt.sh
storage.googleapis.com
GTS CA 1C3
2023-10-23 -
2024-01-15
3 months crt.sh

This page contains 1 frames:

Primary Page: https://api.flutter.dev/
Frame ID: A06E3B7C8070B66BC02715FF39781011
Requests: 31 HTTP requests in this frame

Screenshot

Page Title

Flutter - Dart API docs

Page URL History Show full URLs

  1. http://api.flutter.dev/ HTTP 307
    https://api.flutter.dev/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Overall confidence: 100%
Detected patterns
  • <!-- (?:End )?Google Tag Manager -->
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Page Statistics

31
Requests

100 %
HTTPS

100 %
IPv6

6
Domains

7
Subdomains

7
IPs

2
Countries

2019 kB
Transfer

33781 kB
Size

2
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. http://api.flutter.dev/ HTTP 307
    https://api.flutter.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

31 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request /
api.flutter.dev/
Redirect Chain
  • http://api.flutter.dev/
  • https://api.flutter.dev/
67 KB
9 KB
Document
General
Full URL
https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
828e27b879f5bb5a6b1b863ab74ca56931fed6353c861cc2a96de366755862d2
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/119.0.6045.199 Safari/537.36
accept-language
de-DE,de;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
8686
content-type
text/html; charset=utf-8
date
Fri, 01 Dec 2023 11:04:39 GMT
etag
"2a3ff1d7735a082357aa834472b158d2bc71584ca6d1bf8b7e2d93ee9bb907c7-br"
last-modified
Thu, 30 Nov 2023 19:17:36 GMT
strict-transport-security
max-age=31556926
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
x-cache-hits
1
x-served-by
cache-sof1510021-SOF
x-timer
S1701428680.809123,VS0,VE1

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://api.flutter.dev/
Non-Authoritative-Reason
HSTS
css2
fonts.googleapis.com/
10 KB
831 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
3876f2222f3c7d5c6048c5c6abf80c172a698688002e25b0e7e9fd07c89cafba
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 11:04:39 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:39 GMT
css2
fonts.googleapis.com/
696 B
537 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@48,400,0,0
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
2643779ea0dd96a23e85b95f82d4ce2cedc52144f2330f245a59bcba6d56fe46
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:40 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 11:04:40 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:40 GMT
github.css
api.flutter.dev/flutter/static-assets/
1 KB
507 B
Stylesheet
General
Full URL
https://api.flutter.dev/flutter/static-assets/github.css?v1
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
8dad33fa53d17143d8862fac76d24910a957982332c3126d08bc4243329dd8ad
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-served-by
cache-sof1510021-SOF
strict-transport-security
max-age=31556926
content-encoding
br
date
Fri, 01 Dec 2023 11:04:39 GMT
last-modified
Thu, 30 Nov 2023 19:17:36 GMT
x-timer
S1701428680.874539,VS0,VE0
etag
"c9314384a135d50ac5d178ee70d19cc83db3ab13dcfc307afa451916f73d2865-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
373
x-cache-hits
12
styles.css
api.flutter.dev/flutter/static-assets/
19 KB
4 KB
Stylesheet
General
Full URL
https://api.flutter.dev/flutter/static-assets/styles.css?v1
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
7b41dcbabae634f031a0cdd2fe641786f3cd08aa715fe4d64ccba23e74329f73
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-served-by
cache-sof1510021-SOF
strict-transport-security
max-age=31556926
content-encoding
br
date
Fri, 01 Dec 2023 11:04:39 GMT
last-modified
Thu, 30 Nov 2023 19:17:36 GMT
x-timer
S1701428680.874530,VS0,VE0
etag
"d4fd6cbc3e70622f053d199d19f4c818356acd96be1e618c3c7f9adda5bc442c-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
4383
x-cache-hits
6
css
fonts.googleapis.com/
10 KB
959 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Roboto:500,400italic,300,400,100i
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
59f6408cc6b19582f8dfd8f82533c9e7448eeefcef77bc8411fab1d185bc9266
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:40 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 10:50:58 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:40 GMT
css
fonts.googleapis.com/
21 KB
1 KB
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Google+Sans:500,400italic,300,400,100i
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
5a783ecf0505550901524ec79f2e477afe298c11b8aadcd3b1ba328744f9d4ad
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 11:04:39 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:39 GMT
css
fonts.googleapis.com/
11 KB
920 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:500,400italic,300,400,100i
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
bd31f0df10c0a0096263751b06e3f77510137c46962a0b73187a9038cc23d827
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 11:04:39 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:39 GMT
css
fonts.googleapis.com/
2 KB
716 B
Stylesheet
General
Full URL
https://fonts.googleapis.com/css?family=Material+Icons|Material+Icons+Outlined|Material+Icons+Sharp|Material+Icons+Round
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
550548c2220313874943b87b751927e0b395338d1401bb130be709ade2b47b24
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Fri, 01 Dec 2023 11:04:39 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-security-policy-report-only
require-trusted-types-for 'script';report-uri https://csp.withgoogle.com/csp/bcfae741e379a885f2ab2cf83ebe6d32/mr
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection
0
last-modified
Fri, 01 Dec 2023 11:04:39 GMT
server
ESF
cross-origin-opener-policy
same-origin-allow-popups
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Fri, 01 Dec 2023 11:04:39 GMT
cupertino.css
flutter.github.io/assets-for-api-docs/assets/cupertino/
1 KB
872 B
Stylesheet
General
Full URL
https://flutter.github.io/assets-for-api-docs/assets/cupertino/cupertino.css
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:50c0:8000::153 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
GitHub.com /
Resource Hash
3f23750f42e433590604386ba573ab60a2bbc6ac82f5b8323f12f724c7d932b8

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-fastly-request-id
fa29d88713832de8e832f9a66141ca40200b0462
date
Fri, 01 Dec 2023 11:04:40 GMT
content-encoding
gzip
via
1.1 varnish
x-cache-hits
2
age
499
x-cache
HIT
x-proxy-cache
HIT
content-length
450
x-served-by
cache-sof1510027-SOF
last-modified
Sun, 22 Oct 2023 21:08:28 GMT
server
GitHub.com
x-github-request-id
824A:12503:1096482:10DC4D5:65699B66
x-timer
S1701428680.004994,VS0,VE0
etag
W/"65358f4c-416"
vary
Accept-Encoding
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
max-age=600
permissions-policy
interest-cohort=()
accept-ranges
bytes
x-origin-cache
HIT
expires
Fri, 01 Dec 2023 08:45:51 GMT
overrides.css
api.flutter.dev/assets/
3 KB
1 KB
Stylesheet
General
Full URL
https://api.flutter.dev/assets/overrides.css
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
4a9b3a01f7380a7a45594bb17e9e83ee21c194dfe24cc2098f4e976d9395d600
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-served-by
cache-sof1510021-SOF
strict-transport-security
max-age=31556926
content-encoding
br
date
Fri, 01 Dec 2023 11:04:39 GMT
last-modified
Thu, 30 Nov 2023 19:17:36 GMT
x-timer
S1701428680.874791,VS0,VE0
etag
"ff5a119efebe92c54d05314e7622bba74dda5889a0bcf3f17ee8b665f0f5cd47-br"
vary
x-fh-requested-host, accept-encoding
x-cache
HIT
content-type
text/css; charset=utf-8
cache-control
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Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/
Origin
https://api.flutter.dev
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Sat, 25 Nov 2023 06:01:04 GMT
x-content-type-options
nosniff
age
536616
content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
32936
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
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content-type
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access-control-allow-origin
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cache-control
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accept-ranges
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timing-allow-origin
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expires
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Requested by
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Protocol
H2
Security
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Server
2a00:1450:4001:806::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://fonts.googleapis.com/
Origin
https://api.flutter.dev
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
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x-content-type-options
nosniff
age
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content-security-policy-report-only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
19308
x-xss-protection
0
last-modified
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server
sffe
cross-origin-opener-policy
same-origin; report-to="apps-themes"
report-to
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type
font/woff2
access-control-allow-origin
*
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
expires
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index.json
api.flutter.dev/flutter/
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1 MB
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General
Full URL
https://api.flutter.dev/flutter/index.json
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/flutter/static-assets/docs.dart.js
Protocol
H3
Security
QUIC, , AES_256_GCM
Server
2620:0:890::100 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
Security Headers
Name Value
Strict-Transport-Security max-age=31556926

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

x-served-by
cache-sof1510037-SOF
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
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cache-control
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accept-ranges
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alt-svc
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content-length
1395497
x-cache-hits
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api_survey_docs.html
storage.googleapis.com/flutter-dashboard.appspot.com/api_survey/
341 B
827 B
Script
General
Full URL
https://storage.googleapis.com/flutter-dashboard.appspot.com/api_survey/api_survey_docs.html
Requested by
Host: api.flutter.dev
URL: https://api.flutter.dev/assets/api_survey.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::201b Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
UploadServer /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Fri, 01 Dec 2023 10:42:11 GMT
age
1350
x-guploader-uploadid
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x-goog-storage-class
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x-goog-metageneration
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x-goog-stored-content-encoding
identity
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
341
last-modified
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server
UploadServer
etag
"4dd56b961f2f7959463be963579a0bb1"
x-goog-generation
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x-goog-hash
crc32c=1V1/1Q==, md5=TdVrlh8veVlGO+ljV5oLsQ==
content-type
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cache-control
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x-goog-stored-content-length
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accept-ranges
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expires
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js
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273 KB
90 KB
Script
General
Full URL
https://www.googletagmanager.com/gtag/js?id=G-04YGWK0175&l=dataLayer&cx=c
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-ND4LWWZ
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:810::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
Google Tag Manager /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

date
Fri, 01 Dec 2023 11:04:40 GMT
content-encoding
br
strict-transport-security
max-age=31536000; includeSubDomains
server
Google Tag Manager
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
access-control-allow-origin
*
cache-control
private, max-age=900
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
access-control-allow-headers
Cache-Control
content-length
91830
x-xss-protection
0
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires
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collect
region1.google-analytics.com/g/
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254 B
Ping
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-04YGWK0175&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Request headers

accept-language
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Referer
https://api.flutter.dev/
User-Agent
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Response headers

pragma
no-cache
date
Fri, 01 Dec 2023 11:04:41 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://api.flutter.dev
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
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collect
region1.google-analytics.com/g/
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54 B
Ping
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-04YGWK0175&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://api.flutter.dev/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36

Response headers

pragma
no-cache
date
Fri, 01 Dec 2023 11:04:41 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://api.flutter.dev
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
collect
region1.google-analytics.com/g/
0
54 B
Ping
General
Full URL
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Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-04YGWK0175&l=dataLayer&cx=c
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Request headers

Referer
https://api.flutter.dev/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.6045.199 Safari/537.36
Content-Type
text/plain;charset=UTF-8

Response headers

pragma
no-cache
date
Fri, 01 Dec 2023 11:04:46 GMT
server
Golfe2
content-type
text/plain
access-control-allow-origin
https://api.flutter.dev
cache-control
no-cache, no-store, must-revalidate
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Verdicts & Comments Add Verdict or Comment

15 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| documentPictureInPicture object| dataLayer function| showSnippet function| findSiblingWithId function| supportsCopying function| copyStringToClipboard function| fixHref function| copyTextToClipboard object| hljs function| ApiSurveyDocs object| scriptElement object| google_tag_manager object| google_tag_data function| onYouTubeIframeAPIReady object| gaGlobal

2 Cookies

Domain/Path Name / Value
.flutter.dev/ Name: _ga
Value: GA1.1.387869692.1701428681
.flutter.dev/ Name: _ga_04YGWK0175
Value: GS1.1.1701428681.1.0.1701428681.0.0.0

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

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.

api.flutter.dev
flutter.github.io
fonts.googleapis.com
fonts.gstatic.com
region1.google-analytics.com
storage.googleapis.com
www.googletagmanager.com
2001:4860:4802:32::36
2606:50c0:8000::153
2620:0:890::100
2a00:1450:4001:806::2003
2a00:1450:4001:810::2008
2a00:1450:4001:82a::201b
2a00:1450:4001:830::200a
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