hexdocs.pm
Hexdocs
Last scanned Aug 7, 2026, 3:00 AM · 10 views
Overall score
Great
Summary
This website is hosted on Fastly. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Fastly
Top issues to fix
5 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
SEO
4 issue(s) found
Performance
220 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+5 overall since Jul 26, 2026
- Overall
- 89
- SEO
- 70
- Security
- 90
- Performance
- 100
- Accessibility
- 100
Contact
Email, phone, and address published on this site's own pages.
- support@hex.pm
Meta tags
- Title
- Hexdocs
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://hexdocs.pm/assets/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Fastly
- CDN provider
- —
- IP address
- 151.101.193.91
- ASN
- AS54113 (FASTLY - Fastly, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- hexdocs.pm
- Valid from
- Jul 28, 2026
- Valid to
- Oct 26, 2026
- Days until expiry
- 80
- SAN domains
- *.hexdocs.pm, hexdocs.pm
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 0
Links
0 internal · 5 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
3 scripts · 3 stylesheets
JS / CSS size
214 B · 0 B
Page size
1.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://hexdocs.pm
- Final URL
- https://hexdocs.pm
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 220 ms
- HTML size
- 1.1 KB
- Redirect chain
- https://hexdocs.pm
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does hexdocs.pm use?
- We did not detect any specific technologies for hexdocs.pm in the latest scan.
- Is hexdocs.pm secure (HTTPS)?
- Yes. hexdocs.pm uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 26, 2026.
- Who hosts hexdocs.pm?
- hexdocs.pm is hosted on Fastly.
- What is hexdocs.pm's SEO score?
- hexdocs.pm scored 70/100 for SEO in the latest analysis (fair).
- What is hexdocs.pm's overall website score?
- hexdocs.pm has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has hexdocs.pm's score changed over time?
- hexdocs.pm's overall score has improved by 5 points (from 84 to 89) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card