Skip to main content
SGSiteGraph

devdocs.io

DevDocs API Documentation

Last scanned Jul 26, 2026, 3:19 PM

92

Overall score

Excellent

Summary

Fast, offline, and free documentation browser for developers. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app: HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++…

United States
Hosted on Cloudflare

Top issues to fix

4 issues found

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

85

SEO

2 issue(s) found

100

Performance

494 ms

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app: HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++…

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
DevDocs API Documentation
Description
Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app: HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++…
Canonical
https://devdocs.io
Language
en
Charset
utf-8
Viewport
width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no,shrink-to-fit=no
Robots meta
noodp
Manifest
https://devdocs.io/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
DevDocs
og:description
Fast, offline, and free documentation browser for developers. Search 100+ docs in one web app including HTML, CSS, JavaScript, PHP, Ruby, Python, Go, C, C++, and many more.
og:type
website
og:url
https://devdocs.io

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
Cloudflare
CDN provider
Cloudflare
IP address
172.67.215.34
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 172.67.215.34
  • 104.21.59.58
AAAA
  • 2606:4700:3035::ac43:d722
  • 2606:4700:3035::6815:3b3a
MX
  • spool.mail.gandi.net
  • fb.mail.gandi.net
TXT
  • v=spf1 include:_mailcust.gandi.net ?all
  • google-site-verification=3ooO6o-8qfjd6kmElDbVWIli0JRa0Mlen3WZP3uUKkk
NS
  • anna.ns.cloudflare.com
  • cash.ns.cloudflare.com
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
devdocs.io
Valid from
Jul 6, 2026
Valid to
Oct 4, 2026
Days until expiry
69
SAN domains
devdocs.io, *.devdocs.io

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

6 internal · 1 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

3 scripts · 1 stylesheets

JS / CSS size

30.9 KB · 0 B

Page size

8.0 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://devdocs.io
Final URL
https://devdocs.io
HTTP status
200
HTTP version
HTTP/2
Response time
494 ms
HTML size
8.0 KB
Redirect chain
https://devdocs.io

See something wrong on this report? Request a correction

Frequently asked questions

What technology does devdocs.io use?
devdocs.io is built with Cloudflare Analytics.
Is devdocs.io secure (HTTPS)?
Yes. devdocs.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 4, 2026.
Who hosts devdocs.io?
devdocs.io is hosted on Cloudflare, behind Cloudflare CDN.
What is devdocs.io's SEO score?
devdocs.io scored 85/100 for SEO in the latest analysis (great).
What is devdocs.io's overall website score?
devdocs.io has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.