What powers osblock.ca?
Last seen Oct 2026 · 44 technologies across 22 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
IaaS
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 85% phone
- 15% tablet
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.70 / 10 · ranked #4,967,834 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: French (Canada)
- CDN: Cloudflare, Google
- Weight: 3.4 MB · 107 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- OSBLOCK™
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on GTCOMM (173.209.36.131)
- DNS: wpdns.ca
- Email: Zoho Mail
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 15,620,100, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.osblock.ca | 27 |
| go.osblock.ca | 20 |
| osblock.ca | 18 |
| client.osblock.ca | 10 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Oct 2026
- detected Cloudflare Turnstile Sep 2026