www.bestpractices.dev Open in urlscan Pro
151.101.1.55 Public Scan

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Add Verdict Report

Submitted URL:
http://www.bestpractices.dev/
Effective URL:
https://www.bestpractices.dev/en
Submission: On February 02 via manual (February 2nd 2024, 6:14:32 am UTC) from JP — Scanned from JP

Summary HTTP 35 Redirects Links 15 Behaviour Indicators

Summary

This website contacted 1 IPs in 1 countries across 1 domains to perform 35 HTTP transactions. The main IP is 151.101.1.55, located in United States and belongs to FASTLY, US. The main domain is www.bestpractices.dev. The Cisco Umbrella rank of the primary domain is 786546.
TLS certificate: Issued by R3 on December 14th 2023. Valid for: 3 months.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address		AS Autonomous System
1 36	151.101.1.55 151.101.1.55		54113 (FASTLY) (FASTLY)
35	1

36 151.101.1.55 (United States) 1 redirects

ASN54113 (FASTLY, US)

www.bestpractices.dev	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
36	bestpractices.dev 1 redirects www.bestpractices.dev — Cisco Umbrella Rank: 786546	358 KB
35	1

	Domain	Requested by
36	www.bestpractices.dev	1 redirects www.bestpractices.dev
35	1

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

Domain
openssf.org
github.com
www.linuxfoundation.org
opensource.org
creativecommons.org
twitter.com
www.reddit.com
www.facebook.com
www.linkedin.com
news.ycombinator.com
www.fastly.com

Subject Issuer	Validity	Valid
www.bestpractices.dev R3	`2023-12-14` - `2024-03-13`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://www.bestpractices.dev/en
Frame ID: C84EEC76E6218D5BA03AF08EDBF3B323
Requests: 35 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

BadgeApp

Page URL History Show full URLs

http://www.bestpractices.dev/ HTTP 307
https://www.bestpractices.dev/ HTTP 302
https://www.bestpractices.dev/en Page URL

Detected technologies

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

Page Statistics

35
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

356 kB
Transfer

687 kB
Size

0
Cookies

15 Outgoing links

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

URL: https://openssf.org/
Title: Open Source Security Foundation (OpenSSF)

Search URL Search Domain Scan URL

URL: https://github.com/coreinfrastructure/best-practices-badge
Title: available on GitHub

Search URL Search Domain Scan URL

URL: https://github.com/ossf/wg-best-practices-os-developers
Title: Best Practices Working Group (WG)

Search URL Search Domain Scan URL

URL: https://www.linuxfoundation.org/
Title: Linux Foundation (LF)

Search URL Search Domain Scan URL

URL: https://www.linuxfoundation.org/privacy
Title: privacy policy

Search URL Search Domain Scan URL

URL: https://www.linuxfoundation.org/terms
Title: terms of use

Search URL Search Domain Scan URL

URL: https://opensource.org/licenses/MIT
Title: MIT

Search URL Search Domain Scan URL

URL: https://creativecommons.org/licenses/by/3.0/
Title: Creative Commons Attribution License version 3.0 (CC-BY-3.0)

Search URL Search Domain Scan URL

URL: https://twitter.com/intent/tweet/?text=Check+out+the+OpenSSF+Best+Practices+Badge+website%21&url=https%3A%2F%2Fwww.bestpractices.dev%2Fen

Search URL Search Domain Scan URL

URL: https://www.reddit.com/submit/?url=https%3A%2F%2Fwww.bestpractices.dev%2Fen

Search URL Search Domain Scan URL

URL: https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.bestpractices.dev%2Fen

Search URL Search Domain Scan URL

URL: https://www.linkedin.com/shareArticle?mini=true&source=https%3A%2F%2Fwww.bestpractices.dev%2Fen&summary=Check+out+the+OpenSSF+Best+Practices+Badge+website%21&title=Check+out+the+OpenSSF+Best+Practices+Badge+website%21&url=https%3A%2F%2Fwww.bestpractices.dev%2Fen

Search URL Search Domain Scan URL

URL: https://news.ycombinator.com/submitlink?t=Check%20out%20the%20OpenSSF%20Best%20Practices%20Badge%20website%21&u=https%3A%2F%2Fwww.bestpractices.dev%2Fen

Search URL Search Domain Scan URL

URL: https://github.com/coreinfrastructure/best-practices-badge/issues
Title: file an issue

Search URL Search Domain Scan URL

URL: https://www.fastly.com/

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://www.bestpractices.dev/ HTTP 307
https://www.bestpractices.dev/ HTTP 302
https://www.bestpractices.dev/en Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

35 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 en Show response
www.bestpractices.dev/
Redirect Chain

http://www.bestpractices.dev/
https://www.bestpractices.dev/
https://www.bestpractices.dev/en

20 KB
6 KB

521ms
520ms

Document
text/html

151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

69f34162b90c1f15a776e24723b944da296811edeed4d54fbbb05882ea2afb35

Security Headers

Name	Value
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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36
accept-language: jp-JP,jp;q=0.9

Response headers

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content-encoding: gzip
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content-type: text/html; charset=utf-8
date: Fri, 02 Feb 2024 06:14:27 GMT
etag: W/"80ca39143c3860ab358b884bfc245b05"
feature-policy: fullscreen 'none'; geolocation 'none'; midi 'none';notifications 'none'; push 'none'; sync-xhr 'none'; microphone 'none';camera 'none'; magnetometer 'none'; gyroscope 'none'; speaker 'none';vibrate 'none'; payment 'none'
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permissions-policy: fullscreen=(), geolocation=(), midi=(), notifications=(), push=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=(), vibrate=(), payment=()
referrer-policy: no-referrer-when-downgrade
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reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1706854467&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=vI0iK4xIAqi1YXQgd0aytCU%2FI097ckMborU1a3YrDuU%3D
server: Cowboy
strict-transport-security: max-age=300
vary: Accept-Encoding
via: 1.1 vegur, 1.1 varnish
x-cache: MISS
x-cache-hits: 0
x-content-type-options: nosniff
x-download-options: noopen
x-frame-options: DENY
x-permitted-cross-domain-policies: none
x-request-id: 34f652c3-4484-4b78-a0d0-a154ecaaf4fc
x-runtime: 0.007437
x-served-by: cache-tyo11981-TYO
x-timer: S1706854467.402061,VS0,VE519
x-xss-protection: 1; mode=block

Redirect headers

accept-ranges: bytes
age: 0
cache-control: no-cache
content-encoding: gzip
content-length: 110
content-security-policy: default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
content-type: text/html; charset=utf-8
date: Fri, 02 Feb 2024 06:14:27 GMT
location: https://www.bestpractices.dev/en
nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
referrer-policy: no-referrer-when-downgrade
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706854467&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=vI0iK4xIAqi1YXQgd0aytCU%2FI097ckMborU1a3YrDuU%3D"}]}
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1706854467&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=vI0iK4xIAqi1YXQgd0aytCU%2FI097ckMborU1a3YrDuU%3D
server: Cowboy
strict-transport-security: max-age=300
vary: Accept-Encoding
via: 1.1 vegur, 1.1 varnish
x-cache: MISS
x-cache-hits: 0
x-content-type-options: nosniff
x-download-options: noopen
x-frame-options: DENY
x-permitted-cross-domain-policies: none
x-request-id: c2ce80bd-22ba-45bb-9ba4-aeb76c94804a
x-runtime: 0.003305
x-served-by: cache-tyo11981-TYO
x-timer: S1706854467.900158,VS0,VE500
x-xss-protection: 1; mode=block

GET
H2 200 application-cfe389cc1b8d3a5520d9d0a51c9295b87fa2ec8042cbe5966416b8fdaff4f79a.css
www.bestpractices.dev/assets/ 208 KB
36 KB 4ms
3ms Stylesheet
text/css 151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://www.bestpractices.dev/assets/application-cfe389cc1b8d3a5520d9d0a51c9295b87fa2ec8042cbe5966416b8fdaff4f79a.css

Requested by

Host: www.bestpractices.dev
URL: https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

44f9e834bbde744140a14011acca012a2e8e0db009fb2e25104d908a317cf7ec

Security Headers

Name	Value
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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

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content-encoding: gzip
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strict-transport-security: max-age=300
via: 1.1 vegur, 1.1 varnish
age: 190661
x-cache: HIT
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server: Cowboy
x-timer: S1706854468.929231,VS0,VE1
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vary: Accept-Encoding, Accept-Encoding
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
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x-cache-hits: 1

GET
H2 200 application-ba01ed56be082d1a5d59ed74c49ed8dd0623fd278f54e1d51c40630050a408a7.js Show response
www.bestpractices.dev/assets/ 228 KB
64 KB 3ms
2ms Script
application/javascript 151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to

Full URL

https://www.bestpractices.dev/assets/application-ba01ed56be082d1a5d59ed74c49ed8dd0623fd278f54e1d51c40630050a408a7.js

Requested by

Host: www.bestpractices.dev
URL: https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

ba01ed56be082d1a5d59ed74c49ed8dd0623fd278f54e1d51c40630050a408a7

Security Headers

Name	Value
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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

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content-encoding: gzip
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date: Fri, 02 Feb 2024 06:14:27 GMT
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x-served-by: cache-tyo11981-TYO
referrer-policy: no-referrer-when-downgrade
last-modified: Fri, 19 Jan 2024 18:28:11 GMT
server: Cowboy
x-timer: S1706854468.929224,VS0,VE1
x-download-options: noopen
x-frame-options: DENY
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706853665&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=s4SDgmArB1lPRej8xRMOe5SzEu7Uk86kUXWSxKBsZQk%3D"}]}
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vary: Accept-Encoding, Accept-Encoding
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
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GET
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www.bestpractices.dev/assets/ 75 KB
76 KB 6ms
5ms Font
application/font-woff2 151.101.1.55
FASTLY

General

Check archive.org

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Server

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Server

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Protocol

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Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy: default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
via: 1.1 vegur, 1.1 varnish
x-content-type-options: nosniff
date: Fri, 02 Feb 2024 06:14:27 GMT
nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
x-permitted-cross-domain-policies: none
strict-transport-security: max-age=300
age: 15294
x-cache: HIT
content-length: 13887
x-xss-protection: 1; mode=block
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x-served-by: cache-tyo11981-TYO
referrer-policy: no-referrer-when-downgrade
last-modified: Fri, 21 Jan 2022 21:26:06 GMT
server: Cowboy
x-timer: S1706854468.930907,VS0,VE1
x-download-options: noopen
x-frame-options: DENY
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706839173&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=KGkVq49SZtrDldaSYgsuObo2RNWcm71kK%2Bqobu%2FHyq0%3D"}]}
content-type: image/svg+xml
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
accept-ranges: bytes
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GET
H2 200 openssf_white-12c209e188ea4c9d92ce3278d8648df18c075319e8ddfd1d7698c8381b26efc1.svg
www.bestpractices.dev/assets/ 38 KB
38 KB 19ms
17ms Image
image/svg+xml 151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.bestpractices.dev/assets/openssf_white-12c209e188ea4c9d92ce3278d8648df18c075319e8ddfd1d7698c8381b26efc1.svg

Requested by

Host: www.bestpractices.dev
URL: https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

12c209e188ea4c9d92ce3278d8648df18c075319e8ddfd1d7698c8381b26efc1

Security Headers

Name	Value
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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy: default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
via: 1.1 vegur, 1.1 varnish
x-content-type-options: nosniff
date: Fri, 02 Feb 2024 06:14:27 GMT
nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
x-permitted-cross-domain-policies: none
strict-transport-security: max-age=300
age: 122394
x-cache: HIT
content-length: 38892
x-xss-protection: 1; mode=block
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1706732074&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=1UTENRB3Nt7wk3Pr7fPuqb5kySsUE4UG%2BVYOs4F40z0%3D
x-served-by: cache-tyo11981-TYO
referrer-policy: no-referrer-when-downgrade
last-modified: Fri, 24 Dec 2021 22:06:47 GMT
server: Cowboy
x-timer: S1706854468.948293,VS0,VE1
x-download-options: noopen
x-frame-options: DENY
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706732074&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=1UTENRB3Nt7wk3Pr7fPuqb5kySsUE4UG%2BVYOs4F40z0%3D"}]}
content-type: image/svg+xml
vary: Accept-Encoding
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
accept-ranges: bytes
x-cache-hits: 1

GET
H2 200 lf-footer-59a879e83d99744294bc87db99370360a75b8668af981f921666a45b6d3a7290.png
www.bestpractices.dev/assets/ 2 KB
3 KB 18ms
15ms Image
image/png 151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.bestpractices.dev/assets/lf-footer-59a879e83d99744294bc87db99370360a75b8668af981f921666a45b6d3a7290.png

Requested by

Host: www.bestpractices.dev
URL: https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

59a879e83d99744294bc87db99370360a75b8668af981f921666a45b6d3a7290

Security Headers

Name	Value
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Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy: default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
via: 1.1 vegur, 1.1 varnish
x-content-type-options: nosniff
date: Fri, 02 Feb 2024 06:14:27 GMT
nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
x-permitted-cross-domain-policies: none
strict-transport-security: max-age=300
age: 629938
x-cache: HIT
content-length: 1914
x-xss-protection: 1; mode=block
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1706224530&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=yA0a%2FneFp1jYtbnPaa%2BjHCEKgqdgGERREZgI3%2BGx2eI%3D
x-served-by: cache-tyo11981-TYO
referrer-policy: no-referrer-when-downgrade
last-modified: Fri, 08 Jan 2016 21:38:11 GMT
server: Cowboy
x-timer: S1706854468.948014,VS0,VE1
x-download-options: noopen
x-frame-options: DENY
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706224530&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=yA0a%2FneFp1jYtbnPaa%2BjHCEKgqdgGERREZgI3%2BGx2eI%3D"}]}
content-type: image/png
vary: Accept-Encoding
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
accept-ranges: bytes
x-cache-hits: 1

GET
H2 200 fastly-logo-d8895008099ab6dce44370f510147d40995e4cd3018778541622fd9430bd998a.png
www.bestpractices.dev/assets/ 444 B
2 KB 22ms
20ms Image
image/png 151.101.1.55
FASTLY

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.bestpractices.dev/assets/fastly-logo-d8895008099ab6dce44370f510147d40995e4cd3018778541622fd9430bd998a.png

Requested by

Host: www.bestpractices.dev
URL: https://www.bestpractices.dev/en

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

151.101.1.55 , United States, ASN54113 (FASTLY, US),

Reverse DNS

Software

Cowboy /

Resource Hash

d8895008099ab6dce44370f510147d40995e4cd3018778541622fd9430bd998a

Security Headers

Name	Value
Content-Security-Policy	default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-JP,jp;q=0.9
Referer: https://www.bestpractices.dev/en
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.139 Safari/537.36

Response headers

content-security-policy: default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
via: 1.1 vegur, 1.1 varnish
x-content-type-options: nosniff
date: Fri, 02 Feb 2024 06:14:27 GMT
nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
x-permitted-cross-domain-policies: none
strict-transport-security: max-age=300
age: 245216
x-cache: HIT
content-length: 444
x-xss-protection: 1; mode=block
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1706609252&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=m2GOQTcE9NycgFupppckRlfLQY7YWssKsoFpym2XnXg%3D
x-served-by: cache-tyo11981-TYO
referrer-policy: no-referrer-when-downgrade
last-modified: Sat, 17 Feb 2018 20:28:56 GMT
server: Cowboy
x-timer: S1706854468.947965,VS0,VE2
x-download-options: noopen
x-frame-options: DENY
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1706609252&sid=af571f24-03ee-46d1-9f90-ab9030c2c74c&s=m2GOQTcE9NycgFupppckRlfLQY7YWssKsoFpym2XnXg%3D"}]}
content-type: image/png
vary: Accept-Encoding
cache-control: public, s-maxage=31536000, max-age=31536000, immutable
accept-ranges: bytes
x-cache-hits: 1

Verdicts & Comments Add Verdict or Comment

54 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.

0 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.

11 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	warning	Message: Error with Feature-Policy header: Unrecognized feature: 'notifications'.
security	warning	Message: Error with Feature-Policy header: Unrecognized feature: 'push'.
security	warning	Message: Error with Feature-Policy header: Unrecognized feature: 'speaker'.
security	warning	Message: Error with Feature-Policy header: Unrecognized feature: 'vibrate'.
security	warning	Message: Error with Feature-Policy header: Some features are specified in both Feature-Policy and Permissions-Policy header: fullscreen, geolocation, midi, sync-xhr, microphone, camera, magnetometer, gyroscope, payment. Values defined in Permissions-Policy header will be used.
security	warning	Message: Error with Permissions-Policy header: Unrecognized feature: 'notifications'.
security	warning	Message: Error with Permissions-Policy header: Unrecognized feature: 'push'.
security	warning	Message: Error with Permissions-Policy header: Unrecognized feature: 'speaker'.
security	warning	Message: Error with Permissions-Policy header: Unrecognized feature: 'vibrate'.
other	warning	URL: https://www.bestpractices.dev/en(Line 13) Message: <link rel=preload> must have a valid `as` value
javascript	warning	URL: https://www.bestpractices.dev/en Message: The resource https://www.bestpractices.dev/assets/cci-logo-header-467a7cb5fae6e595923a528eb315b005591de904b7acb36837255777e429df40.png was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.

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	default-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; base-uri 'self'; block-all-mixed-content; form-action 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; frame-ancestors 'none'; img-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev secure.gravatar.com avatars.githubusercontent.com; object-src 'none'; script-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev; style-src 'self' www.bestpractices.dev.global.ssl.fastly.net bestpractices.coreinfrastructure.org.global.ssl.fastly.net bestpractices.coreinfrastructure.org www.bestpractices.dev
Strict-Transport-Security	max-age=300
X-Content-Type-Options	nosniff
X-Frame-Options	DENY
X-Xss-Protection	1; mode=block

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.

www.bestpractices.dev
151.101.1.55
012819a38ff7f6aca0345d0b146367d1a2181119567b006f9df52f11604b01a7
02109ee3601d7e33df12d0e2d7373688b79a18c3efc5b84e18ae94eca4c92b68
08ad5974b1a1fae3fd3f4346aa771ccead1270c2588fe2610c2c39be9e715815
09a9ee24bb8e6dc0c1298c0305ff5cc9c18033bfacc8e2ff543f78fad992f509
12c209e188ea4c9d92ce3278d8648df18c075319e8ddfd1d7698c8381b26efc1
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1dfb7ce9074a667c39f8575349de9380f25c549dfff66693d09f306b38414eae
1e1d06f5a45130b6ac13ffa7bd95fe0092ba7c20caa357057a0bc6fdefdfbbda
1fa8fe2290af2f7cb33b2d0c4f37d9fe1d9969ce9955acfe63a81b2c01c3518a
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
3081743918dff74e493318394f2eab2319d5b5184013ea7ae97143299f3c7b1a
39ba44452dbf5d0e5ed201eafef156fafef07ed3fecaee0746f3483724bea09b
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www.bestpractices.dev Open in urlscan Pro 151.101.1.55 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

35 Requests

100 %HTTPS

0 %IPv6

1 Domains

1 Subdomains

1 IPs

1 Countries

356 kBTransfer

687 kBSize

0 Cookies

15 Outgoing links

Page URL History

Redirected requests

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

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www.bestpractices.dev Open in urlscan Pro
151.101.1.55 Public Scan

Screenshot
Live screenshot

Full Image

35
Requests

100 %
HTTPS

0 %
IPv6

1
Domains

1
Subdomains

1
IPs

1
Countries

356 kB
Transfer

687 kB
Size

0
Cookies

35 HTTP transactions
0 data transactions