What powers gsal.org.uk?
Last seen Oct 2026 · 30 technologies across 15 categories
Analytics
CDN
Editors
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Security
Tag managers
UI frameworks
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 60% phone
- 40% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.90 / 10 · ranked #1,774,104 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 12.0 MB · 43 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Grammar School at Leeds
- Founded: 2005
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.70.74, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 13,850,588, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portal.gsal.org.uk | 19 |
| gsal.org.uk | 14 |
| www.gsal.org.uk | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity May 2026
- dropped Microsoft Clarity Apr 2026
- detected Cloudflare Bot Management Mar 2026