opus-codec.org
Opus Codec
Last scanned Aug 24, 2026, 1:22 PM · 2 views
Overall score
Great
Summary
Opus, the open standard, high quality codec. This website uses Nginx hosted on LINK-OREGON - University of Oregon, US. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Opus, the open standard, high quality codec. Presentation, documentation, comparison with other formats, download links, source code repository.
- United States
- Hosted on LINK-OREGON - University of Oregon, US
Top issues to fix
8 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-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
257 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Opus, the open standard, high quality codec. Presentation, documentation, comparison with other formats, download links, source code repository.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Opus Codec
- Description
- Opus, the open standard, high quality codec. Presentation, documentation, comparison with other formats, download links, source code repository.
- Canonical
- http://opus-codec.org/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- LINK-OREGON - University of Oregon, US
- CDN provider
- —
- IP address
- 140.211.167.215
- ASN
- AS3701 (LINK-OREGON - University of Oregon, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- opus-codec.org
- Valid from
- Jul 21, 2026
- Valid to
- Oct 19, 2026
- Days until expiry
- 55
- SAN domains
- opus-codec.org, www.opus-codec.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 3 · H3 4
Links
16 internal · 7 external · 0 broken
Images
2 total · 0 missing alt
Scripts / Styles
0 scripts · 2 stylesheets
JS / CSS size
0 B · 11.4 KB
Page size
7.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://opus-codec.org
- Final URL
- https://opus-codec.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 257 ms
- HTML size
- 7.5 KB
- Redirect chain
- https://opus-codec.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does opus-codec.org use?
- opus-codec.org is built with Nginx.
- Is opus-codec.org secure (HTTPS)?
- Yes. opus-codec.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 19, 2026.
- Who hosts opus-codec.org?
- opus-codec.org is hosted on LINK-OREGON - University of Oregon, US.
- What is opus-codec.org's SEO score?
- opus-codec.org scored 75/100 for SEO in the latest analysis (fair).
- What is opus-codec.org's overall website score?
- opus-codec.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card