readthedocs.com
Full featured documentation deployment platform - Read the Docs
Last scanned Jul 27, 2026, 12:43 PM · 1 view
Overall score
Great
Summary
Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more. This website is hosted on Cloudflare. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (70/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
Free
$50/mo USD
Open source?
$50 USD
Compare plans
$50 USD
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
1.20 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more.
Meta tags
- Title
- Full featured documentation deployment platform - Read the Docs
- Description
- Read the Docs is a documentation building and hosting platform aimed at helping developers creating documentation from code with versioned documentation, integrated search, pull request previews and more.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.16.253.120
- 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
- about.readthedocs.com
- Valid from
- Jul 5, 2026
- Valid to
- Oct 3, 2026
- Days until expiry
- 67
- SAN domains
- about.readthedocs.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 8
Links
15 internal · 23 external · 1 broken
Images
11 total · 0 missing alt
Scripts / Styles
4 scripts · 1 stylesheets
JS / CSS size
464 KB · 0 B
Page size
34.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- 1
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://readthedocs.com
- Final URL
- https://about.readthedocs.com/?ref=app.readthedocs.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.20 s
- HTML size
- 34.0 KB
- Redirect chain
- https://readthedocs.com → https://app.readthedocs.com/welcome/ → https://about.readthedocs.com/?ref=app.readthedocs.com
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Frequently asked questions
- What technology does readthedocs.com use?
- We did not detect any specific technologies for readthedocs.com in the latest scan.
- Is readthedocs.com secure (HTTPS)?
- Yes. readthedocs.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 3, 2026.
- Who hosts readthedocs.com?
- readthedocs.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is readthedocs.com's SEO score?
- readthedocs.com scored 75/100 for SEO in the latest analysis (fair).
- What is readthedocs.com's overall website score?
- readthedocs.com has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- What products does readthedocs.com offer?
- readthedocs.com offers Free, Open source?, Compare plans.
OpenGraph & Twitter Card
OpenGraph
Twitter Card