ublockorigin.com
uBlock Origin - Free, open-source ad blocker extension
Last scanned Aug 7, 2026, 4:00 AM · 6 views
Overall score
Excellent
Summary
uBlock Origin is a free, open-source ad blocker extension and content blocker. This website is hosted on Cloudflare. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
uBlock Origin
uBlock Origin is a free, open-source ad blocker extension and content blocker. Block ads on YouTube, Twitch, and across the web with low CPU and memory usage. Available for Firefox, Edge, Opera, and Chrome via uBlock Origin Lite.
- United States
- Hosted on Cloudflare
Top issues to fix
4 issues found · 2 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
702 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 94
- SEO
- 95
- Security
- 80
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
uBlock Origin
uBlock Origin is a free, open-source ad blocker extension and content blocker. Block ads on YouTube, Twitch, and across the web with low CPU and memory usage. Available for Firefox, Edge, Opera, and Chrome via uBlock Origin Lite.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- uBlock Origin - Free, open-source ad blocker extension
- Description
- uBlock Origin is a free, open-source ad blocker extension and content blocker. Block ads on YouTube, Twitch, and across the web with low CPU and memory usage. Available for Firefox, Edge, Opera, and Chrome via uBlock Origin Lite.
- Canonical
- https://ublockorigin.com/
- Language
- en
- 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.
No technologies detected.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.21.66.82
- 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
- ublockorigin.com
- Valid from
- Jul 4, 2026
- Valid to
- Oct 2, 2026
- Days until expiry
- 56
- SAN domains
- ublockorigin.com, *.ublockorigin.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 8
Links
22 internal · 23 external · 1 broken
Images
29 total · 0 missing alt
Scripts / Styles
1 scripts · 1 stylesheets
JS / CSS size
0 B · 4.6 KB
Page size
46.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- 22
SEO issues
- Meta description longer than 160 characters
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://ublockorigin.com
- Final URL
- https://ublockorigin.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 702 ms
- HTML size
- 46.5 KB
- Redirect chain
- https://ublockorigin.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ublockorigin.com use?
- We did not detect any specific technologies for ublockorigin.com in the latest scan.
- Is ublockorigin.com secure (HTTPS)?
- Yes. ublockorigin.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 2, 2026.
- Who hosts ublockorigin.com?
- ublockorigin.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is ublockorigin.com's SEO score?
- ublockorigin.com scored 95/100 for SEO in the latest analysis (excellent).
- What is ublockorigin.com's overall website score?
- ublockorigin.com has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- What company operates ublockorigin.com?
- ublockorigin.com is operated by uBlock Origin. uBlock Origin is a free, open-source ad blocker extension and content blocker. Block ads on YouTube, Twitch, and across the web with low CPU and memory usage. Available for Firefox, Edge, Opera, and Chrome via uBlock Origin Lite.
- Has ublockorigin.com's score changed over time?
- ublockorigin.com's overall score has stayed steady at 94/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card