What powers mrmarksclassroom.com?
Last seen Oct 2026 · 41 technologies across 21 categories
Advertising
Analytics
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
Mobile frameworks
PaaS
Payment processors
Performance
Programming languages
Security
Tag managers
Video players
Web servers
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 found
- llms-full.txt found
- ai.txt not found
- Oct 2026 llms-full.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 55% phone
- 45% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.49 / 10 · ranked #2,509,672 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 10.0 MB · 464 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Mr. Mark's Classroom
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (23.227.38.65)
- DNS: Name.com
- Email: OpenSRS Email
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,980,680, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mrmarksclassroom.com | 33 |
| www.mrmarksclassroom.com | 24 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple Pay Oct 2026
- detected cdnjs Oct 2026
- detected Cloudflare Oct 2026
- detected core-js Oct 2026
- detected MailChimp Oct 2026
- detected math.js Oct 2026
- detected Open Graph Oct 2026
- detected PayPal Oct 2026
- detected Shop Pay Oct 2026
- detected Shopify Oct 2026
- dropped All in One SEO Feb 2026
- dropped MailChimp Feb 2026
- dropped MailChimp for WooCommerce Feb 2026
- dropped Open Graph Feb 2026