What powers prelib.com?
Last seen Sep 2026 · 35 technologies across 23 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Documentation
Font scripts
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
Operating systems
PaaS
Page builders
Payment processors
Programming languages
Security
SEO
Video players
Web servers
Webmail
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
- 80% phone
- 20% desktop
Canada
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,638,482 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: French (Canada)
- CDN: Cloudflare
- Weight: 1.2 MB · 62 requests
- WordPress theme: bricks (child: bricks-child) · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Prelib
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.93.179, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,196,731, 3 hosts
- Verified with: Google, Stripe
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| prelib.com | 27 |
| patient.prelib.com | 8 |
| www.prelib.com | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints Jul 2026
- detected Microsoft Advertising Apr 2026
- detected Microsoft Clarity Apr 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- dropped Amplitude Feb 2026
- detected Mailgun Feb 2026