go.dev Open in urlscan Pro
2001:4860:4802:38::15 Public Scan

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Submitted URL:
http://go.dev/
Effective URL:
https://go.dev/
Submission: On November 21 via api (November 21st 2024, 11:56:41 am UTC) from FR — Scanned from FR

Summary HTTP 78 Redirects Links 49 Behaviour Indicators

Summary

This website contacted 5 IPs in 2 countries across 5 domains to perform 78 HTTP transactions. The main IP is 2001:4860:4802:38::15, located in United States and belongs to GOOGLE, US. The main domain is go.dev. The Cisco Umbrella rank of the primary domain is 122908.
TLS certificate: Issued by WR3 on November 2nd 2024. Valid for: 3 months.

This is the only time go.dev was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
68	2001:4860:480... 2001:4860:4802:38::15	15169 (GOOGLE) (GOOGLE)
1	2a00:1450:400... 2a00:1450:4001:82f::200a	15169 (GOOGLE) (GOOGLE)
4	2a00:1450:400... 2a00:1450:4001:80e::2008	15169 (GOOGLE) (GOOGLE)
1	142.250.185.99 142.250.185.99	15169 (GOOGLE) (GOOGLE)
4	2001:4860:480... 2001:4860:4802:36::178	15169 (GOOGLE) (GOOGLE)
78	5

68 2001:4860:4802:38::15 (United States)

ASN15169 (GOOGLE, US)

go.dev	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:82f::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:80e::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 142.250.185.99 (United States)

ASN15169 (GOOGLE, US)
PTR: fra16s49-in-f3.1e100.net

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2001:4860:4802:36::178 (United States)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
68	go.dev go.dev — Cisco Umbrella Rank: 122908	289 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 36	22 KB
4	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 39	206 KB
1	gstatic.com fonts.gstatic.com	125 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 29	811 B
78	5

	Domain	Requested by
68	go.dev	go.dev
4	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
4	www.googletagmanager.com	go.dev www.googletagmanager.com
1	fonts.gstatic.com	fonts.googleapis.com
1	fonts.googleapis.com	go.dev
78	5

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

Domain
pkg.go.dev
www.meetup.com
groups.google.com
github.com
twitter.com
www.reddit.com
invite.slack.golangbridge.org
stackoverflow.com
bitly.com
medium.com
www.cockroachlabs.com
blogs.dropbox.com
blog.cloudflare.com
entgo.io
cloudblogs.microsoft.com
www.cloudwego.io
technology.riotgames.com
www.zdnet.com
blog.twitch.tv
blog.twitter.com
eng.uber.com
cloud.google.com
aws.amazon.com
www.ardanlabs.com
www.gopherguides.com
bosssauce.it
www.twitter.com
reddit.com
golangweekly.com
www.google.com
google.com
policies.google.com

Subject Issuer	Validity	Valid
go.dev WR3	`2024-11-02` - `2025-01-31`	3 months	crt.sh
upload.video.google.com WR2	`2024-10-21` - `2025-01-13`	3 months	crt.sh
*.google-analytics.com WR2	`2024-10-21` - `2025-01-13`	3 months	crt.sh
*.gstatic.com WR2	`2024-10-21` - `2025-01-13`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://go.dev/
Frame ID: 4C531147280628A15D2D14A981A0ACB9
Requests: 77 HTTP requests in this frame

Frame: https://www.googletagmanager.com/static/service_worker/4bj0/sw_iframe.html?origin=https%3A%2F%2Fgo.dev
Frame ID: 39F46268C9B800E77B3A071DDF811D3B
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

The Go Programming Language

Page URL History Show full URLs

http://go.dev/ HTTP 307
https://go.dev/ Page URL

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/ns\.html[^>]+></iframe>
googletagmanager\.com/gtm\.js
googletagmanager\.com/gtag/js

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

78
Requests

100 %
HTTPS

80 %
IPv6

5
Domains

5
Subdomains

5
IPs

2
Countries

643 kB
Transfer

1631 kB
Size

6
Cookies

49 Outgoing links

These are links going to different origins than the main page.

URL: https://pkg.go.dev/std
Title: Standard library

Search URL Search Domain Scan URL

URL: https://pkg.go.dev/
Title: Packages

Search URL Search Domain Scan URL

URL: https://www.meetup.com/pro/go
Title: Meetups open_in_new

Search URL Search Domain Scan URL

URL: https://groups.google.com/g/golang-nuts

Search URL Search Domain Scan URL

URL: https://github.com/golang

Search URL Search Domain Scan URL

URL: https://twitter.com/golang

Search URL Search Domain Scan URL

URL: https://www.reddit.com/r/golang/

Search URL Search Domain Scan URL

URL: https://invite.slack.golangbridge.org/

Search URL Search Domain Scan URL

URL: https://stackoverflow.com/tags/go

Search URL Search Domain Scan URL

URL: https://bitly.com/blog/why-we-write-everything-in-go/?utm_source=go-dev&utm_medium=referral&utm_campaign=go-dev&utm_content=case-study

Search URL Search Domain Scan URL

URL: https://medium.com/capital-one-tech/a-serverless-and-go-journey-credit-offers-api-74ef1f9fde7f

Search URL Search Domain Scan URL

URL: https://www.cockroachlabs.com/blog/why-go-was-the-right-choice-for-cockroachdb/

Search URL Search Domain Scan URL

URL: https://blogs.dropbox.com/tech/2014/07/open-sourcing-our-go-libraries/

Search URL Search Domain Scan URL

URL: https://blog.cloudflare.com/graceful-upgrades-in-go/

Search URL Search Domain Scan URL

URL: https://entgo.io/blog/2019/10/03/introducing-ent/

Search URL Search Domain Scan URL

URL: https://cloudblogs.microsoft.com/opensource/2018/02/21/go-lang-brian-ketelsen-explains-fast-growth/

Search URL Search Domain Scan URL

URL: https://medium.com/tech-at-wildlife-studios/pitaya-wildlifes-golang-go-af57865f7a11

Search URL Search Domain Scan URL

URL: https://www.cloudwego.io/

Search URL Search Domain Scan URL

URL: https://medium.com/netflix-techblog/application-data-caching-using-ssds-5bf25df851ef

Search URL Search Domain Scan URL

URL: https://technology.riotgames.com/news/leveraging-golang-game-development-and-operations

Search URL Search Domain Scan URL

URL: https://www.zdnet.com/article/salesforce-why-we-ditched-python-for-googles-go-language-in-einstein-analytics/

Search URL Search Domain Scan URL

URL: https://blog.twitch.tv/en/2016/07/05/gos-march-to-low-latency-gc-a6fa96f06eb7/

Search URL Search Domain Scan URL

URL: https://blog.twitter.com/engineering/en_us/a/2015/handling-five-billion-sessions-a-day-in-real-time.html

Search URL Search Domain Scan URL

URL: https://eng.uber.com/aresdb/

Search URL Search Domain Scan URL

URL: https://cloud.google.com/go/home
Title: cloud.google.com/go

Search URL Search Domain Scan URL

URL: https://aws.amazon.com/sdk-for-go/
Title: aws/client

Search URL Search Domain Scan URL

URL: https://github.com/Azure/azure-sdk-for-go
Title: Azure/azure-sdk-for-go

Search URL Search Domain Scan URL

URL: https://github.com/spf13/cobra
Title: spf13/cobra

Search URL Search Domain Scan URL

URL: https://github.com/spf13/viper
Title: spf13/viper

Search URL Search Domain Scan URL

URL: https://github.com/urfave/cli
Title: urfave/cli

Search URL Search Domain Scan URL

URL: https://github.com/go-delve/delve
Title: delve

Search URL Search Domain Scan URL

URL: https://github.com/chzyer/readline
Title: chzyer/readline

Search URL Search Domain Scan URL

URL: https://github.com/flosch/pongo2
Title: flosch/pongo2

Search URL Search Domain Scan URL

URL: https://github.com/elastic/go-elasticsearch
Title: elastic/go-elasticsearch

Search URL Search Domain Scan URL

URL: https://github.com/open-telemetry/opentelemetry-go
Title: open-telemetry/opentelemetry-go

Search URL Search Domain Scan URL

URL: https://github.com/istio/istio
Title: istio/istio

Search URL Search Domain Scan URL

URL: https://www.ardanlabs.com/
Title: Ardan Labs

Search URL Search Domain Scan URL

URL: https://www.gopherguides.com/
Title: Gopher Guides

Search URL Search Domain Scan URL

URL: https://bosssauce.it/services/training
Title: Boss Sauce Creative

Search URL Search Domain Scan URL

URL: https://github.com/shijuvar/gokit/tree/master/training
Title: Shiju Varghese

Search URL Search Domain Scan URL

URL: https://stackoverflow.com/questions/tagged/go?tab=Newest
Title: Stack Overflow

Search URL Search Domain Scan URL

URL: https://pkg.go.dev/about
Title: About Go Packages

Search URL Search Domain Scan URL

URL: https://github.com/golang/go/issues
Title: Issue Tracker

Search URL Search Domain Scan URL

URL: https://www.twitter.com/golang
Title: Connect

Search URL Search Domain Scan URL

URL: https://reddit.com/r/golang
Title: r/golang

Search URL Search Domain Scan URL

URL: https://golangweekly.com/
Title: Golang Weekly

Search URL Search Domain Scan URL

URL: http://www.google.com/intl/en/policies/privacy/
Title: Privacy Policy

Search URL Search Domain Scan URL

URL: https://google.com/

Search URL Search Domain Scan URL

URL: https://policies.google.com/technologies/cookies
Title: Learn more.

Search URL Search Domain Scan URL

Page URL History

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

http://go.dev/ HTTP 307
https://go.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

78 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
go.dev/
Redirect Chain

http://go.dev/
https://go.dev/

61 KB
13 KB

227ms
162ms

Document
text/html

2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

bff6a599c57cd1c3255191e0d6fbb5bd3be1e43e8d9f61efe22f4fc6abc02f57

Security Headers

Name

Value

Content-Security-Policy

connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Response headers

content-encoding: gzip
content-length: 11921
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
content-type: text/html; charset=utf-8
date: Thu, 21 Nov 2024 11:56:35 GMT
server: Google Frontend
strict-transport-security: max-age=31536000; includeSubDomains; preload
vary: Accept-Encoding
x-cloud-trace-context: de59f00f56995758d81e5c1605284b5b

Redirect headers

Cross-Origin-Resource-Policy: Cross-Origin
Location: https://go.dev/
Non-Authoritative-Reason: HSTS

GET
H2 200 css
fonts.googleapis.com/ 569 B
811 B 163ms
56ms Stylesheet
text/css 2a00:1450:4001:82f::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css?family=Material+Icons

Requested by

Host: go.dev
URL: https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

36b2057eb5eef261a2cbb8c149dcf3a11edaa15ccd8e3d462eb34999f5ff8f2a

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

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Thu, 21 Nov 2024 11:56:36 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 21 Nov 2024 11:56:36 GMT
content-type: text/css; charset=utf-8
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified: Thu, 21 Nov 2024 11:56:36 GMT
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
cross-origin-opener-policy: same-origin-allow-popups
cross-origin-resource-policy: cross-origin
access-control-allow-origin: *
x-xss-protection: 0
server: ESF

GET
H2 200 styles.css
go.dev/css/ 107 KB
26 KB 169ms
168ms Stylesheet
text/css 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/css/styles.css

Requested by

Host: go.dev
URL: https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

e8364fdb102051e1938a0046585c0358234433c9cc0526f187c71c3aeae3a85b

Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
content-encoding: gzip
content-length: 26690
date: Thu, 21 Nov 2024 11:56:36 GMT
content-type: text/css; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: 072cb4966a33a624def03f9d4ef997de

GET
H2 200 site.js Show response
go.dev/js/ 12 KB
4 KB 158ms
157ms Script
text/javascript 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/js/site.js

Requested by

Host: go.dev
URL: https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

872539a5614a2f2f9a58d1436c40339d40f5f9ff58c97bf9f30bb9484f9b1c9a

Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
content-encoding: gzip
content-length: 3755
date: Thu, 21 Nov 2024 11:56:36 GMT
content-type: text/javascript; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: 6d86621ebc9511db6ceac046b8fed2ec

GET
H2 200 go-logo-white.svg
go.dev/images/ 1 KB
2 KB 157ms
156ms Image
image/svg+xml 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/go-logo-white.svg

Requested by

Host: go.dev
URL: https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

a2a1586673c0c44484a58d10733e4e3e208c4d65f22359ea384626b1d6c6ab2e

Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
accept-ranges: bytes
content-length: 1472
date: Thu, 21 Nov 2024 11:56:36 GMT
content-type: image/svg+xml
x-cloud-trace-context: a4611e11b90c12468566163b63cf5bcc
server: Google Frontend

GET
H2 200 google-groups.svg
go.dev/images/logos/social/ 1 KB
1 KB 155ms
155ms Image
image/svg+xml 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/social/google-groups.svg

Requested by

Host: go.dev
URL: https://go.dev/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Full URL

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GET
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GET
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General

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Full URL

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GET
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General

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Full URL

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GET
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Full URL

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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GOOGLE

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Full URL

https://go.dev/dl/?mode=json

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Host: go.dev
URL: https://go.dev/js/site.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

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GET
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GOOGLE

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https://go.dev/doc/play/hello.go

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Protocol

Security

TLS 1.3, , AES_128_GCM

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date: Thu, 21 Nov 2024 11:56:36 GMT
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server: Google Frontend

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 266 KB
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application/javascript 2a00:1450:4001:80e::2008
GOOGLE

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Full URL

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Requested by

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Protocol

Security

TLS 1.3, , AES_128_GCM

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GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 87ms
30ms Script
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GOOGLE

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Full URL

https://www.google-analytics.com/analytics.js

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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-W8MVQXG

Protocol

Security

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Response headers

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GET
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50ms Document
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GOOGLE

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Show headers Download Go to

Full URL

https://www.googletagmanager.com/static/service_worker/4bj0/sw_iframe.html?origin=https%3A%2F%2Fgo.dev

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-W8MVQXG

Protocol

Security

TLS 1.3, , AES_128_GCM

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Reverse DNS

Software

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Resource Hash

Security Headers

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Response headers

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POST
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270 B 188ms
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application/json 2001:4860:4802:38::15
GOOGLE

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Full URL

https://go.dev/_/fmt?backend=

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Host: go.dev
URL: https://go.dev/js/jquery.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Security Headers

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POST
H2 200 collect Show response
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GOOGLE

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https://www.google-analytics.com/j/collect?v=1&_v=j101&a=1076204987&t=pageview&_s=1&dl=https%3A%2F%2Fgo.dev%2F&ul=fr-fr&de=UTF-8&dt=The%20Go%20Programming%20Language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACAAI~&jid=1389532111&gjid=1986659784&cid=1730165213.1732190197&tid=UA-141356704-1&_gid=1960089290.1732190197&_r=1&gtm=45He4bk0n81W8MVQXGv830425926za200&gcd=13l3l3l2l1l1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&npa=1&z=2098443946

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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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Resource Hash

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Security Headers

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Response headers

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POST
H2 200 collect
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324 B 63ms
62ms Ping
image/gif 2001:4860:4802:36::178
GOOGLE

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Show headers Download Go to

Full URL

https://www.google-analytics.com/collect

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

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Server

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Response headers

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POST
H2 200 collect
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103 B 51ms
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GOOGLE

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Show headers Download Go to

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https://www.google-analytics.com/collect

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::178 , United States, ASN15169 (GOOGLE, US),

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Software

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content-length: 35
server: Golfe2

GET
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go.dev/images/ 17 KB
18 KB 203ms
203ms Other
image/svg+xml 2001:4860:4802:38::15
GOOGLE

General

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Full URL

https://go.dev/images/favicon-gopher.svg

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Value

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Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
accept-ranges: bytes
content-length: 17826
date: Thu, 21 Nov 2024 11:56:36 GMT
content-type: image/svg+xml
x-cloud-trace-context: c36bc777a2ea618c268ef911add21245
server: Google Frontend

POST
H2 200 compile Show response
go.dev/_/ 95 B
264 B 830ms
829ms XHR
text/plain 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/_/compile?backend=

Requested by

Host: go.dev
URL: https://go.dev/js/jquery.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

55095b37ec25c926cb498b839bf9c4c5be3f8bd9e7c66846a9cb6e935f5fa8a6

Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

Referer: https://go.dev/
X-Requested-With: XMLHttpRequest
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Accept: application/json, text/javascript, */*; q=0.01
Content-Type: application/x-www-form-urlencoded; charset=UTF-8

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
cache-control: public, max-age=604800
content-encoding: gzip
expires: Thu, 28 Nov 2024 11:56:37 UTC
content-length: 108
date: Thu, 21 Nov 2024 11:56:37 GMT
content-type: text/plain; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: 061aff4d6a47fa914ebefb8816bad987

GET
H2 200 favicon-gopher.png
go.dev/images/ 14 KB
14 KB 207ms
205ms Other
image/png 2001:4860:4802:38::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/images/favicon-gopher.png

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:38::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

5b6e0237cea9986bc897212c8368ae46e87137035df179361c3ef6304e5877ec

Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

strict-transport-security: max-age=31536000; includeSubDomains; preload
content-security-policy: connect-src 'self' www.google-analytics.com stats.g.doubleclick.net ; default-src 'self' ; font-src 'self' fonts.googleapis.com fonts.gstatic.com data: ; frame-ancestors 'self' ; frame-src 'self' www.google.com feedback.googleusercontent.com www.googletagmanager.com scone-pa.clients6.google.com www.youtube.com player.vimeo.com ; img-src 'self' www.google.com www.google-analytics.com ssl.gstatic.com www.gstatic.com gstatic.com data: * ; object-src 'none' ; script-src 'self' 'sha256-n6OdwTrm52KqKm6aHYgD0TFUdMgww4a0GQlIAVrMzck=' 'sha256-4ryYrf7Y5daLOBv0CpYtyBIcJPZkRD2eBPdfqsN3r1M=' 'sha256-sVKX08+SqOmnWhiySYk3xC7RDUgKyAkmbXV2GWts4fo=' www.google.com apis.google.com www.gstatic.com gstatic.com support.google.com www.googletagmanager.com www.google-analytics.com ssl.google-analytics.com tagmanager.google.com ; style-src 'self' 'unsafe-inline' fonts.googleapis.com feedback.googleusercontent.com www.gstatic.com gstatic.com tagmanager.google.com ;
accept-ranges: bytes
content-length: 14030
date: Thu, 21 Nov 2024 11:56:37 GMT
content-type: image/png
x-cloud-trace-context: d2cfe2c1e39b93545059b95bdae25a8a
server: Google Frontend

Verdicts & Comments Add Verdict or Comment

18 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.

6 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
go.dev/	1970-01-21 01:53:02	Name: HaTS_BKT Value: false
.go.dev/	1970-01-21 03:19:26	Name: _gcl_au Value: 1.1.250642192.1732190196
.go.dev/	1970-01-21 10:45:50	Name: _ga_HL38R6X1Q3 Value: GS1.1.1732190196.1.0.1732190196.0.0.0
.go.dev/	1970-01-21 10:45:50	Name: _ga Value: GA1.2.1730165213.1732190197
.go.dev/	1970-01-21 01:11:16	Name: _gid Value: GA1.2.1960089290.1732190197
.go.dev/	1970-01-21 01:09:50	Name: _gat_UA-141356704-1 Value: 1

5 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
security	error	URL: https://www.googletagmanager.com/gtm.js?id=GTM-W8MVQXG(Line 125) Message: Refused to connect to 'https://www.google.com/ccm/collect?en=page_view&dl=https%3A%2F%2Fgo.dev%2F&scrsrc=www.googletagmanager.com&frm=0&rnd=1887512650.1732190196&auid=250642192.1732190196&npa=1&gtm=45He4bk0v830425926za200&gcd=13l3l3l2l1l1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&tft=1732190196453&tfd=784&apve=1' because it violates the following Content Security Policy directive: "connect-src 'self' www.google-analytics.com stats.g.doubleclick.net".
security	error	URL: https://www.googletagmanager.com/gtag/js?id=G-HL38R6X1Q3&l=dataLayer&cx=c&gtm=45He4bk0v830425926za200(Line 139) Message: Refused to connect to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-HL38R6X1Q3&gtm=45je4bk0v9119590194z8830425926za200zb830425926&_p=1732190196033&gcd=13l3l3l2l1l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&cid=1730165213.1732190197&ul=fr-fr&are=1&frm=0&pscdl=noapi&_geo=1&_rdi=1&_s=1&sid=1732190196&sct=1&seg=0&dl=https%3A%2F%2Fgo.dev%2F&dt=The%20Go%20Programming%20Language&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=957' because it violates the following Content Security Policy directive: "connect-src 'self' www.google-analytics.com stats.g.doubleclick.net".
javascript	error	URL: https://www.googletagmanager.com/gtag/js?id=G-HL38R6X1Q3&l=dataLayer&cx=c&gtm=45He4bk0v830425926za200(Line 139) Message: Refused to connect to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-HL38R6X1Q3&gtm=45je4bk0v9119590194z8830425926za200zb830425926&_p=1732190196033&gcd=13l3l3l2l1l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&cid=1730165213.1732190197&ul=fr-fr&are=1&frm=0&pscdl=noapi&_geo=1&_rdi=1&_s=1&sid=1732190196&sct=1&seg=0&dl=https%3A%2F%2Fgo.dev%2F&dt=The%20Go%20Programming%20Language&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=957' because it violates the document's Content Security Policy.
security	error	URL: https://www.googletagmanager.com/gtag/js?id=G-HL38R6X1Q3&l=dataLayer&cx=c&gtm=45He4bk0v830425926za200(Line 139) Message: Refused to connect to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-HL38R6X1Q3&gtm=45je4bk0v9119590194za200zb830425926&_p=1732190196033&gcd=13l3l3l2l1l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&cid=1730165213.1732190197&ul=fr-fr&are=1&frm=0&pscdl=noapi&_geo=1&_rdi=1&_s=2&sid=1732190196&sct=1&seg=0&dl=https%3A%2F%2Fgo.dev%2F&dt=The%20Go%20Programming%20Language&en=user_engagement&_et=4671&tfd=5627' because it violates the following Content Security Policy directive: "connect-src 'self' www.google-analytics.com stats.g.doubleclick.net".
javascript	error	URL: https://www.googletagmanager.com/gtag/js?id=G-HL38R6X1Q3&l=dataLayer&cx=c&gtm=45He4bk0v830425926za200(Line 139) Message: Refused to connect to 'https://region1.google-analytics.com/g/collect?v=2&tid=G-HL38R6X1Q3&gtm=45je4bk0v9119590194za200zb830425926&_p=1732190196033&gcd=13l3l3l2l1l1&npa=1&dma_cps=syphamo&dma=1&tag_exp=101925629~102067555~102067808~102077855~102081485&cid=1730165213.1732190197&ul=fr-fr&are=1&frm=0&pscdl=noapi&_geo=1&_rdi=1&_s=2&sid=1732190196&sct=1&seg=0&dl=https%3A%2F%2Fgo.dev%2F&dt=The%20Go%20Programming%20Language&en=user_engagement&_et=4671&tfd=5627' because it violates the document's Content Security Policy.

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

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

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.

fonts.googleapis.com
fonts.gstatic.com
go.dev
www.google-analytics.com
www.googletagmanager.com
142.250.185.99
2001:4860:4802:36::178
2001:4860:4802:38::15
2a00:1450:4001:80e::2008
2a00:1450:4001:82f::200a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f7487fa34347822b5cf62a766a4db57361a76eee0620240fdc49b81819f125e6
fa5d62b125ef3323edb34f6d4143ee101b888057ffcdcfee1eac32b95a583394
fbc66d792da95aca32054362a5237c93ab99eabc58fb356d9d444e03c98c6c95
fe4852569bda58dda6e174a23e8bb42e0135a8f46f71741e1267d10aceafd4af

go.dev Open in urlscan Pro 2001:4860:4802:38::15 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

78 Requests

100 %HTTPS

80 %IPv6

5 Domains

5 Subdomains

5 IPs

2 Countries

643 kBTransfer

1631 kBSize

6 Cookies

49 Outgoing links

Page URL History

Redirected requests

78 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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go.dev Open in urlscan Pro
2001:4860:4802:38::15 Public Scan

Screenshot
Live screenshot

Full Image

78
Requests

100 %
HTTPS

80 %
IPv6

5
Domains

5
Subdomains

5
IPs

2
Countries

643 kB
Transfer

1631 kB
Size

6
Cookies

78 HTTP transactions
0 data transactions