What powers headteacherchat.com?
Last seen Sep 2026 · 46 technologies across 19 categories
Analytics
CDN
Ecommerce
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Programming languages
Rich text editors
Security
Tag managers
UI frameworks
Video players
Web frameworks
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- cohere-training-data-crawler Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Perplexity-User Allowed
The other 22 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
- Sep 2026 oai-searchbot added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 Content Signals changed
- Sep 2026 *: Allowed (was Blocked)
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.54 / 10 · ranked #6,147,488 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare, Fastly
- Weight: 79.0 MB · 219 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.26.0.188)
- DNS: Cloudflare DNS
- Email: Fastmail
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 9,157,589, 5 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| community.headteacherchat.com | 26 |
| www.shop.headteacherchat.com | 23 |
| www.headteacherchat.com | 20 |
| headteacherchat.com | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Base UI Aug 2026
- detected Stripe Aug 2026
- detected Trix Aug 2026
- detected VWO Aug 2026
- dropped Facebook Login Apr 2026
- dropped VideoJS Apr 2026
- dropped Stripe Mar 2026
- dropped Trix Mar 2026
- dropped Turbolinks Mar 2026
- dropped Pingdom RUM Jan 2026