opengl.org
OpenGL - The Industry Standard for High Performance Graphics
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
8 issues found · 1 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
5 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
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.
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.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
524 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +14158698627
Source: https://opengl.org/about/contact
Meta tags
- Title
- OpenGL - The Industry Standard for High Performance Graphics
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, height=device-height, minimum-scale=1.0, initial-scale=1.0, user-scalable=0
- Robots meta
- Manifest
- https://opengl.org/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.175.126
- 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
- opengl.org
- Valid from
- Jun 6, 2026
- Valid to
- Sep 4, 2026
- Days until expiry
- 39
- SAN domains
- opengl.org, *.opengl.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 5 cookie(s) observed
Content & assets
Headings
H1 2 · H2 8 · H3 2
Links
16 internal · 62 external · 12 broken
Images
7 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
31.9 KB · 73 B
Page size
22.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- 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
- sitemap.xml not 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://opengl.org
- Final URL
- https://opengl.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 524 ms
- HTML size
- 22.9 KB
- Redirect chain
- https://opengl.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does opengl.org use?
- opengl.org is built with Google Analytics, Cloudflare Analytics.
- Is opengl.org secure (HTTPS)?
- Yes. opengl.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 4, 2026.
- Who hosts opengl.org?
- opengl.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is opengl.org's SEO score?
- opengl.org scored 60/100 for SEO in the latest analysis (fair).
- What is opengl.org's overall website score?
- opengl.org has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Is opengl.org hiring?
- opengl.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card