adoptium.net
Home | Adoptium
Last scanned Aug 2, 2026, 3:00 AM · 8 views
Overall score
Great
Summary
Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure. This website uses Next.js behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Missing canonical link.
Eclipse Adoptium
Eclipse Adoptium provides prebuilt OpenJDK binaries from a fully open source set of build scripts and infrastructure.
Top issues to fix
7 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
1.03 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-5 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 80
- Security
- 80
- Performance
- 90
- Accessibility
- 100
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.
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
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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
- 73
- 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 · 20 broken
Images
51 total · 1 missing alt
Scripts / Styles
54 scripts · 8 stylesheets
JS / CSS size
71.7 KB · 0 B
Page size
187 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://adoptium.net
- Final URL
- https://adoptium.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.02 s
- 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?
- Hosting provider information for adoptium.net is not available yet.
- What is adoptium.net's SEO score?
- adoptium.net scored 80/100 for SEO in the latest analysis (great).
- What is adoptium.net's overall website score?
- adoptium.net has an overall SiteGraph score of 87/100, 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.
- Has adoptium.net's score changed over time?
- adoptium.net's overall score has declined by 5 points (from 92 to 87) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card