prebid.org
Home - Prebid
Last scanned Aug 2, 2026, 2:00 PM · 5 views
Overall score
Great
Summary
This website uses WordPress behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Missing meta description.
Top issues to fix
7 issues found · 3 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 X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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
3 issue(s) found
Performance
87 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 85
- SEO
- 80
- Security
- 75
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Home - Prebid
- Description
- Canonical
- https://prebid.org/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
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
- Let's Encrypt
- Subject
- prebid.org
- Valid from
- Jun 29, 2026
- Valid to
- Sep 27, 2026
- Days until expiry
- 55
- SAN domains
- prebid.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 5
Links
33 internal · 22 external · 20 broken
Images
127 total · 0 missing alt
Scripts / Styles
45 scripts · 18 stylesheets
JS / CSS size
19.1 KB · 79.6 KB
Page size
244 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://prebid.org
- Final URL
- https://prebid.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 82 ms
- HTML size
- 244 KB
- Redirect chain
- https://prebid.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does prebid.org use?
- prebid.org is built with WordPress.
- Is prebid.org secure (HTTPS)?
- Yes. prebid.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 27, 2026.
- Who hosts prebid.org?
- Hosting provider information for prebid.org is not available yet.
- What is prebid.org's SEO score?
- prebid.org scored 80/100 for SEO in the latest analysis (great).
- What is prebid.org's overall website score?
- prebid.org has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- Has prebid.org's score changed over time?
- prebid.org's overall score has declined by 2 points (from 87 to 85) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card