What powers cdl-prep.com?
Last seen Sep 2026 · 20 technologies across 13 categories
Analytics
CDN
Development
Issue trackers
JavaScript frameworks
Marketing automation
Miscellaneous
Payment processors
Performance
Programming languages
Security
Tag managers
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 59% phone
- 41% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.14 / 10 · ranked #10,594,312 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.8 MB · 49 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- CDL Prep
- Profiles: X
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.70.54, IPv6)
- Email: no MX record returned, SPF names Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 14,246,367, 2 hosts
- Verified with: Brevo, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Base UI Sep 2026
- detected Open Graph Sep 2026
- detected Sentry Sep 2026
- dropped Emotion Aug 2026
- dropped Funding Choices Aug 2026
- dropped Google AdSense Aug 2026
- dropped Google Font API Aug 2026
- dropped Google Sign-in Aug 2026
- dropped MUI Aug 2026
- dropped Open Graph Aug 2026
- dropped reCAPTCHA Aug 2026
- detected HSTS Jul 2026
- detected Next.js App Router Jul 2026
- detected PayPal Jul 2026
- detected Priority Hints Jul 2026
- detected Radix UI Jul 2026
- detected Turbopack Jul 2026
- detected Cloudflare Browser Insights Nov 2025