javadoc.io
Free Java Doc hosting for open source projects - javadoc.io
Last scanned Jul 26, 2026, 5:17 AM · 2 views
Overall score
Great
Summary
This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is fair (70/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
217 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Source: https://javadoc.io/contact
Meta tags
- Title
- Free Java Doc hosting for open source projects - javadoc.io
- Description
- Canonical
- Language
- en
- Charset
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.234.10
- 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
- javadoc.io
- Valid from
- Jun 9, 2026
- Valid to
- Sep 7, 2026
- Days until expiry
- 43
- SAN domains
- javadoc.io, *.javadoc.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 2
Links
2 internal · 3 external · 1 broken
Images
3 total · 3 missing alt
Scripts / Styles
11 scripts · 4 stylesheets
JS / CSS size
219 KB · 55.5 KB
Page size
8.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 4
- sitemap.xml
- Found
- URLs in sitemap
- 21348
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- Over half of images are missing alt text
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://javadoc.io
- Final URL
- https://javadoc.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 217 ms
- HTML size
- 8.5 KB
- Redirect chain
- https://javadoc.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does javadoc.io use?
- javadoc.io is built with Bootstrap, jQuery, Google Analytics, Cloudflare Analytics.
- Is javadoc.io secure (HTTPS)?
- Yes. javadoc.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 7, 2026.
- Who hosts javadoc.io?
- javadoc.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is javadoc.io's SEO score?
- javadoc.io scored 70/100 for SEO in the latest analysis (fair).
- What is javadoc.io's overall website score?
- javadoc.io has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Is javadoc.io hiring?
- javadoc.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card