What powers mark37.com?
Last seen Aug 2026 · 27 technologies across 14 categories
Advertising
Analytics
Caching
CDN
CMS
CRM
Databases
Ecommerce
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 48% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.98 / 10 · ranked #3,638,501 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 5.7 MB · 141 requests
- WordPress theme: mark37 · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.69.18)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Zoho Mail
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,096,455, 6 hosts
- Verified with: Zoho
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 Bootstrap Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected ID5 Jul 2026
- detected Prebid Jul 2026
- dropped Bluehost Jun 2026
- dropped Nginx Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Browser Insights May 2026
- detected core-js May 2026
- dropped HSTS May 2026
- detected Nginx Apr 2026
- detected HTTP/3 Dec 2025
- dropped Nginx Nov 2025
- detected HSTS Oct 2025
- detected Redis Oct 2025
- detected Redis Object Cache Oct 2025