go.dev Open in urlscan Pro
2001:4860:4802:36::15 Public Scan

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Add Verdict Report

Submitted URL:
https://163-google.golang.org/
Effective URL:
https://go.dev/
Submission: On January 08 via api (January 8th 2025, 1:19:31 pm UTC) from US — Scanned from US

Summary HTTP 71 Redirects Links 49 Behaviour Indicators

Summary

This website contacted 5 IPs in 1 countries across 6 domains to perform 71 HTTP transactions. The main IP is 2001:4860:4802:36::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 December 31st 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
1 1	2607:f8b0:400... 2607:f8b0:4004:c17::8d	15169 (GOOGLE) (GOOGLE)
61	2001:4860:480... 2001:4860:4802:36::15	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4004:c1b::5f	15169 (GOOGLE) (GOOGLE)
3	2607:f8b0:400... 2607:f8b0:4004:c19::61	15169 (GOOGLE) (GOOGLE)
1	2607:f8b0:400... 2607:f8b0:4004:c1d::5e	15169 (GOOGLE) (GOOGLE)
5	2607:f8b0:400... 2607:f8b0:4004:c1d::65	15169 (GOOGLE) (GOOGLE)
71	5

1 2607:f8b0:4004:c17::8d (Washington, United States) 1 redirects

ASN15169 (GOOGLE, US)

163-google.golang.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

61 2001:4860:4802:36::15 (United States)

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4004:c1b::5f (Washington, United States)

ASN15169 (GOOGLE, US)

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

3 2607:f8b0:4004:c19::61 (Washington, United States)

ASN15169 (GOOGLE, US)

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

1 2607:f8b0:4004:c1d::5e (Washington, United States)

ASN15169 (GOOGLE, US)

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

5 2607:f8b0:4004:c1d::65 (Washington, United States)

ASN15169 (GOOGLE, US)

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

	Apex Domain Subdomains	Transfer
61	go.dev go.dev — Cisco Umbrella Rank: 122908	277 KB
5	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 36	22 KB
3	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 39	207 KB
1	gstatic.com fonts.gstatic.com	125 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 29	811 B
1	golang.org 1 redirects 163-google.golang.org	232 B
71	6

	Domain	Requested by
61	go.dev	go.dev
5	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
3	www.googletagmanager.com	go.dev www.googletagmanager.com
1	fonts.gstatic.com	fonts.googleapis.com
1	fonts.googleapis.com	go.dev
1	163-google.golang.org	1 redirects
71	6

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	`2024-12-31` - `2025-03-31`	3 months	crt.sh
upload.video.google.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh
*.google-analytics.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh
*.gstatic.com WR2	`2024-12-02` - `2025-02-24`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://go.dev/
Frame ID: BC8AB341648F9AF19527EAAC3EB4DF8A
Requests: 70 HTTP requests in this frame

Frame: https://www.googletagmanager.com/static/service_worker/5160/sw_iframe.html?origin=https%3A%2F%2Fgo.dev
Frame ID: CF7BB66F5E5FCE0584EDBC551DD953FE
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

The Go Programming Language

Page URL History Show full URLs

https://163-google.golang.org/ HTTP 302
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

71
Requests

100 %
HTTPS

100 %
IPv6

6
Domains

6
Subdomains

5
IPs

1
Countries

632 kB
Transfer

1297 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.

https://163-google.golang.org/ HTTP 302
https://go.dev/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

71 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

https://163-google.golang.org/
https://go.dev/

61 KB
13 KB

149ms
74ms

Document
text/html

2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 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: Wed, 08 Jan 2025 13:19:26 GMT
server: Google Frontend
strict-transport-security: max-age=31536000; includeSubDomains; preload
vary: Accept-Encoding
x-cloud-trace-context: 5729ae9747a36674f4077df516b7df1b

Redirect headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 38
content-type: text/html; charset=utf-8
date: Wed, 08 Jan 2025 13:19:26 GMT
location: https://go.dev/
server: Google Frontend
x-cloud-trace-context: abb5bedc6838e86b7e264a279319bd3f

GET
H2 200 css
fonts.googleapis.com/ 569 B
811 B 63ms
29ms Stylesheet
text/css 2607:f8b0:4004:c1b::5f
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

2607:f8b0:4004:c1b::5f Washington, United States, 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/131.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Wed, 08 Jan 2025 13:19:26 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:26 GMT
content-type: text/css; charset=utf-8
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site
last-modified: Wed, 08 Jan 2025 13:19:26 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 64ms
63ms Stylesheet
text/css 2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 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: 26666
date: Wed, 08 Jan 2025 13:19:26 GMT
content-type: text/css; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: 7ccbd3ddb062324cd19982150a4c7cdb

GET
H2 200 site.js Show response
go.dev/js/ 12 KB
4 KB 74ms
72ms Script
text/javascript 2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 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: 3744
date: Wed, 08 Jan 2025 13:19:26 GMT
content-type: text/javascript; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: ce702f4ebe50c7e697b4ef3e3a5b2e31

GET
H2 200 go-logo-white.svg
go.dev/images/ 1 KB
2 KB 56ms
55ms Image
image/svg+xml 2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 Safari/537.36
Referer: https://go.dev/

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TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

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Request headers

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Response headers

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content-length: 4165
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: text/javascript; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: c9098274eedb50b096d7ce616b48ab11

GET
H2 200 copypaste.js Show response
go.dev/js/ 560 B
424 B 73ms
69ms Script
text/javascript 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://go.dev/js/copypaste.js

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

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Value

Content-Security-Policy

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Request headers

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Referer: https://go.dev/

Response headers

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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 ;
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date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: text/javascript; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: f99b803956ece0359e5efb3afa311399

GET
H2 200 gtm.js Show response
www.googletagmanager.com/ 329 KB
113 KB 89ms
56ms Script
application/javascript 2607:f8b0:4004:c19::61
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Reverse DNS

Software

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Resource Hash

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Security Headers

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Request headers

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Referer: https://go.dev/

Response headers

content-encoding: br
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expires: Wed, 08 Jan 2025 13:19:27 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: application/javascript; charset=UTF-8
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access-control-allow-origin: *
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content-length: 114618
x-xss-protection: 0
server: Google Tag Manager

GET
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fonts.gstatic.com/s/materialicons/v142/ 125 KB
125 KB 46ms
16ms Font
font/woff2 2607:f8b0:4004:c1d::5e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/materialicons/v142/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2

Requested by

Host: fonts.googleapis.com
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Protocol

Security

QUIC, , AES_128_GCM

Server

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Reverse DNS

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Resource Hash

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Security Headers

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Origin: https://go.dev
Referer: https://fonts.googleapis.com/

Response headers

age: 435024
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
x-content-type-options: nosniff
expires: Sat, 03 Jan 2026 12:29:03 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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content-type: font/woff2
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accept-ranges: bytes
access-control-allow-origin: *
content-length: 128352
x-xss-protection: 0
server: sffe

GET
H2 200 google.svg
go.dev/images/logos/ 2 KB
2 KB 53ms
41ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/google.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

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Value

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Request headers

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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 ;
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date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 37e781bffc0053a199066b8c357afca9
server: Google Frontend

GET
H2 200 paypal.svg
go.dev/images/logos/ 2 KB
2 KB 54ms
42ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/paypal.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

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Security Headers

Name

Value

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Request headers

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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
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date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: db2c2454d606dd9b2d5d4fc6e80ac9db
server: Google Frontend

GET
H2 200 american-express.svg
go.dev/images/logos/ 3 KB
4 KB 57ms
45ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/american-express.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

Name

Value

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Request headers

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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 ;
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content-length: 3511
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 6eb55c2f53de44effc0e22ea31bd58b7
server: Google Frontend

GET
H2 200 mercadolibre_light.svg
go.dev/images/logos/ 12 KB
12 KB 67ms
55ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/mercadolibre_light.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

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Resource Hash

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Security Headers

Name

Value

Content-Security-Policy

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Request headers

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Referer: https://go.dev/

Response headers

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date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 5a070fc042012ef27c9030d2f4c973f8
server: Google Frontend

GET
H2 200 bitly.svg
go.dev/images/logos/ 4 KB
4 KB 62ms
50ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/bitly.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

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Security Headers

Name

Value

Content-Security-Policy

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Request headers

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Referer: https://go.dev/

Response headers

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date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 88be604f51c1154948b3d4c2aba4838f
server: Google Frontend

GET
H2 200 capitalone_light.svg
go.dev/images/logos/ 7 KB
7 KB 69ms
57ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/capitalone_light.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

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Security Headers

Name

Value

Content-Security-Policy

Strict-Transport-Security

max-age=31536000; includeSubDomains; preload

Request headers

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Referer: https://go.dev/

Response headers

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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 ;
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content-length: 6672
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 01a6994bc32f94f34a38aa49cc2d1773
server: Google Frontend

GET
H2 200 cockroach.svg
go.dev/images/logos/ 513 B
607 B 57ms
46ms Image
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://go.dev/images/logos/cockroach.svg

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

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Security Headers

Name

Value

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Full URL: https://www.google-analytics.com/g/collect?v=2&tid=G-HL38R6X1Q3&gtm=45je4cc1v9119590194z8830425926za200zb830425926&_p=1736342366960&gcd=13l3l3l3l1l1&npa=0&dma=0&tag_exp=101925629~102067555~102067808~102081485~102198178&cid=2013870553.1736342367&ul=en-us&are=1&frm=0&pscdl=noapi&_geo=1&_rdi=1&_s=1&sid=1736342367&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=789
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URL: https://www.googletagmanager.com/gtag/js?id=G-HL38R6X1Q3&l=dataLayer&cx=c&gtm=45He4cc1v830425926za200
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2607:f8b0:4004:c1d::65 Washington, United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Referer: https://go.dev/

Response headers

cache-control: no-cache, no-store, must-revalidate
pragma: no-cache
cross-origin-resource-policy: cross-origin
access-control-allow-credentials: true
content-security-policy-report-only: script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsggc:86:0
report-to: {"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsggc:86:0"}],}
expires: Fri, 01 Jan 1990 00:00:00 GMT
access-control-allow-origin: https://go.dev
cross-origin-opener-policy-report-only: same-origin; report-to=coop_reporting
content-length: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: text/plain
server: Golfe2

POST
H2 200 compile Show response
go.dev/_/ 95 B
263 B 947ms
945ms XHR
text/plain 2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 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: Wed, 15 Jan 2025 13:19:28 UTC
content-length: 108
date: Wed, 08 Jan 2025 13:19:28 GMT
content-type: text/plain; charset=utf-8
vary: Accept-Encoding
server: Google Frontend
x-cloud-trace-context: 9b29e7b73767c138fd4764f97106e40e

POST
H2 200 collect Show response
www.google-analytics.com/j/ 1 B
304 B 28ms
22ms XHR
text/plain 2607:f8b0:4004:c1d::65
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=302293932&t=pageview&_s=1&dl=https%3A%2F%2Fgo.dev%2F&ul=en-us&de=UTF-8&dt=The%20Go%20Programming%20Language&sd=24-bit&sr=1600x1200&vp=1600x1200&je=0&_u=YADAAEABAAAAACAAI~&jid=1584131808&gjid=317403069&cid=2013870553.1736342367&tid=UA-141356704-1&_gid=853935561.1736342367&_r=1&gtm=45He4cc1n81W8MVQXGv830425926za200&gcd=13l3l3l3l1l1&dma=0&tag_exp=101925629~102067555~102067808~102081485~102198178&z=951343277

Requested by

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2607:f8b0:4004:c1d::65 Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Content-Type: text/plain
Referer: https://go.dev/

Response headers

report-to: {"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsgac:175:0"}],}
x-content-type-options: nosniff
expires: Fri, 01 Jan 1990 00:00:00 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:27 GMT
last-modified: Sun, 17 May 1998 03:00:00 GMT
content-type: text/plain
cache-control: no-cache, no-store, must-revalidate
pragma: no-cache
cross-origin-resource-policy: cross-origin
access-control-allow-credentials: true
content-security-policy-report-only: script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsgac:175:0
access-control-allow-origin: https://go.dev
cross-origin-opener-policy-report-only: same-origin; report-to=coop_reporting
content-length: 1
server: Golfe2

POST
H3 200 collect
www.google-analytics.com/ 35 B
58 B 23ms
21ms Ping
image/gif 2607:f8b0:4004:c1d::65
GOOGLE

General

Check archive.org

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

QUIC, , AES_128_GCM

Server

2607:f8b0:4004:c1d::65 Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Content-Type: text/plain;charset=UTF-8
Referer: https://go.dev/

Response headers

report-to: {"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsgac:163:0"}],}
x-content-type-options: nosniff
expires: Fri, 01 Jan 1990 00:00:00 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:27 GMT
last-modified: Sun, 17 May 1998 03:00:00 GMT
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
pragma: no-cache
cross-origin-resource-policy: cross-origin
access-control-allow-credentials: true
content-security-policy-report-only: script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsgac:163:0
access-control-allow-origin: https://go.dev
cross-origin-opener-policy-report-only: same-origin; report-to=coop_reporting
content-length: 35
server: Golfe2

POST
H3 200 collect
www.google-analytics.com/ 35 B
58 B 23ms
22ms Ping
image/gif 2607:f8b0:4004:c1d::65
GOOGLE

General

Check archive.org

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

QUIC, , AES_128_GCM

Server

2607:f8b0:4004:c1d::65 Washington, United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Content-Type: text/plain;charset=UTF-8
Referer: https://go.dev/

Response headers

report-to: {"group":"coop_reporting","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/scaffolding/ascnsrsgac:163:0"}],}
x-content-type-options: nosniff
expires: Fri, 01 Jan 1990 00:00:00 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Jan 2025 13:19:27 GMT
last-modified: Sun, 17 May 1998 03:00:00 GMT
content-type: image/gif
cache-control: no-cache, no-store, must-revalidate
pragma: no-cache
cross-origin-resource-policy: cross-origin
access-control-allow-credentials: true
content-security-policy-report-only: script-src 'none'; form-action 'none'; frame-src 'none'; report-uri https://csp.withgoogle.com/csp/scaffolding/ascnsrsgac:163:0
access-control-allow-origin: https://go.dev
cross-origin-opener-policy-report-only: same-origin; report-to=coop_reporting
content-length: 35
server: Golfe2

GET
H2 200 favicon-gopher.svg
go.dev/images/ 17 KB
18 KB 55ms
52ms Other
image/svg+xml 2001:4860:4802:36::15
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

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

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2001:4860:4802:36::15 , United States, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Frontend /

Resource Hash

3a52a951479817c4ed3285f87b41112b5a1c21be77389f190f1bf025a41533fd

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/131.0.0.0 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: 17826
date: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/svg+xml
x-cloud-trace-context: 921c53bb0cb1f16f7f60ed77eb46f645
server: Google Frontend

GET
H2 200 favicon-gopher.png
go.dev/images/ 14 KB
14 KB 52ms
51ms Other
image/png 2001:4860:4802:36::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

2001:4860:4802:36::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/131.0.0.0 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: Wed, 08 Jan 2025 13:19:27 GMT
content-type: image/png
x-cloud-trace-context: f02f6079eae95a8bf9365f38440a816b
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 03:02:14	Name: HaTS_BKT Value: false
.go.dev/	1970-01-21 04:28:38	Name: _gcl_au Value: 1.1.1847661117.1736342367
.go.dev/	1970-01-21 11:55:02	Name: _ga_HL38R6X1Q3 Value: GS1.1.1736342367.1.0.1736342367.0.0.0
.go.dev/	1970-01-21 11:55:02	Name: _ga Value: GA1.2.2013870553.1736342367
.go.dev/	1970-01-21 02:20:28	Name: _gid Value: GA1.2.853935561.1736342367
.go.dev/	1970-01-21 02:19:02	Name: _gat_UA-141356704-1 Value: 1

1 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 126) 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=1383512534.1736342367&dt=The%20Go%20Programming%20Language&auid=1847661117.1736342367&navt=n&npa=0&gtm=45He4cc1v830425926za200&gcd=13l3l3l3l1l1&dma=0&tag_exp=101925629~102067555~102067808~102081485~102198178&tft=1736342367265&tfd=689&apve=1' because it violates the following Content Security Policy directive: "connect-src 'self' www.google-analytics.com stats.g.doubleclick.net".

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.

163-google.golang.org
fonts.googleapis.com
fonts.gstatic.com
go.dev
www.google-analytics.com
www.googletagmanager.com
2001:4860:4802:36::15
2607:f8b0:4004:c17::8d
2607:f8b0:4004:c19::61
2607:f8b0:4004:c1b::5f
2607:f8b0:4004:c1d::5e
2607:f8b0:4004:c1d::65
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48967acc4e0b8abba0cadaaf9385433eac17be1fb204c848db0fde9aa0b51ac9
521107d9a2de1d619817bf304882323ce8fb8bb3afea078df821b07320fc8b63
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6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
71258d915c85e469ac85746901145bdee736c9bcfb09010894c157be26e85b60
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8265f64786397d6b832d1ca0aafdf149ad84e72759fffa9f7272e91a0fb015d1
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837616bb7173a52bf056ef64be17582b2d492ca75aaf262819a111a0f47f05cb
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979e34bce0ed778ac9d49525fc5e3cd70fc81d3537bfc2dfc07b26921a541f03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go.dev Open in urlscan Pro 2001:4860:4802:36::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

71 Requests

100 %HTTPS

100 %IPv6

6 Domains

6 Subdomains

5 IPs

1 Countries

632 kBTransfer

1297 kBSize

6 Cookies

49 Outgoing links

Page URL History

Redirected requests

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

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go.dev Open in urlscan Pro
2001:4860:4802:36::15 Public Scan

Screenshot
Live screenshot

Full Image

71
Requests

100 %
HTTPS

100 %
IPv6

6
Domains

6
Subdomains

5
IPs

1
Countries

632 kB
Transfer

1297 kB
Size

6
Cookies

71 HTTP transactions
0 data transactions