adoptium.net
Home | Adoptium
Last scanned Jul 26, 2026, 2:25 AM · 1 view
Overall score
Excellent
Summary
Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
Eclipse Adoptium
Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found · 1 high priority
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
SEO
2 issue(s) found
Performance
132 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Eclipse Adoptium
Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.
Contact
Email, phone, and address published on this site's own pages.
Source: https://adoptium.net/support
Meta tags
- Title
- Home | Adoptium
- Description
- Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://adoptium.net/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.20.66
- 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
- adoptium.net
- Valid from
- Jul 16, 2026
- Valid to
- Oct 14, 2026
- Days until expiry
- 80
- SAN domains
- adoptium.net, *.adoptium.net
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 4 · H2 17 · H3 21
Links
18 internal · 29 external · 0 broken
Images
51 total · 1 missing alt
Scripts / Styles
54 scripts · 8 stylesheets
JS / CSS size
71.7 KB · 6.0 KB
Page size
187 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- 144
SEO issues
- Missing canonical link
- Multiple H1 headings found
Accessibility issues
No accessibility issues detected.
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://adoptium.net
- Final URL
- https://adoptium.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 129 ms
- HTML size
- 187 KB
- Redirect chain
- https://adoptium.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does adoptium.net use?
- adoptium.net is built with Next.js, Cloudflare Analytics.
- Is adoptium.net secure (HTTPS)?
- Yes. adoptium.net uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 14, 2026.
- Who hosts adoptium.net?
- adoptium.net is hosted on Cloudflare, behind Cloudflare CDN.
- What is adoptium.net's SEO score?
- adoptium.net scored 90/100 for SEO in the latest analysis (excellent).
- What is adoptium.net's overall website score?
- adoptium.net has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- What company operates adoptium.net?
- adoptium.net is operated by Eclipse Adoptium. Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.
- Is adoptium.net hiring?
- adoptium.net has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card