What powers holderness.academy?
Last seen Aug 2026 · 10 technologies across 6 categories
Sendgrid
since Nov 2025
Font scripts
Google Font API
since May 2019
Hosting
GoDaddy
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
HSTS
since Oct 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.73 / 10 · ranked #4,761,392 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 9.5 MB · 41 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- dropped cdnjs Jul 2026
- dropped Cloudflare Jul 2026
- detected Font Awesome Jul 2026
- detected GoDaddy Jul 2026
- detected Google Font API Jul 2026
- dropped Google Maps Jul 2026
- detected HSTS Jul 2026
- detected jQuery Jul 2026
- dropped jQuery CDN Jul 2026
- dropped jQuery UI Jul 2026
- dropped lit-element Jul 2026
- dropped lit-html Jul 2026
- detected Modernizr Jul 2026
- detected Open Graph Jul 2026
- dropped OWL Carousel Jul 2026
- detected RSS Jul 2026
- detected Sendgrid Jul 2026
- dropped SWFObject Jul 2026
- detected Swiper Jul 2026
- dropped Typekit Jul 2026
- detected Swiper Jun 2026
- detected cdnjs Jan 2026
- detected Cloudflare Jan 2026
- detected jQuery CDN Jan 2026
- detected Sendgrid Nov 2025