devdocs.io
DevDocs API Documentation
Last scanned Aug 4, 2026, 12:00 AM · 10 views
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
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
2 issue(s) found
Performance
527 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 92
- SEO
- 85
- Security
- 85
- Performance
- 100
- Accessibility
- 100
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.
Source: https://devdocs.io/help
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
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.59.58
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
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
- 61
- 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 1 · H3 0
Links
826 internal · 2 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
- 527 ms
- HTML size
- 8.0 KB
- Redirect chain
- https://devdocs.io
See something wrong on this report? Request a correction
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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.
- Has devdocs.io's score changed over time?
- devdocs.io's overall score has stayed steady at 92/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card