opencores.org
Home :: OpenCores
Last scanned Jul 26, 2026, 11:19 AM
Overall score
Fair
Summary
This website uses Nginx. SEO is fair (55/100) and accessibility is excellent (95/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing meta description.
Top issues to fix
15 issues found · 5 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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Slow estimated load (4.6s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
+9 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
4.64 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Meta tags
- Title
- Home :: OpenCores
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- opencores.org
- Valid from
- Jun 18, 2026
- Valid to
- Sep 16, 2026
- Days until expiry
- 50
- SAN domains
- opencores.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 9 · H2 2 · H3 0
Links
42 internal · 1 external · 20 broken
Images
8 total · 0 missing alt
Scripts / Styles
15 scripts · 2 stylesheets
JS / CSS size
931 B · 0 B
Page size
15.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing viewport meta tag
Scan details
- Requested URL
- https://opencores.org
- Final URL
- https://opencores.org
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 4.64 s
- HTML size
- 15.7 KB
- Redirect chain
- https://opencores.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does opencores.org use?
- opencores.org is built with jQuery, Google Analytics, Google Ads, Nginx.
- Is opencores.org secure (HTTPS)?
- Yes. opencores.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 16, 2026.
- Who hosts opencores.org?
- Hosting provider information for opencores.org is not available yet.
- What is opencores.org's SEO score?
- opencores.org scored 55/100 for SEO in the latest analysis (fair).
- What is opencores.org's overall website score?
- opencores.org has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card