What powers 
iconbooks.com?
Last seen Sep 2026 · 30 technologies across 18 categories
Caching
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Video players
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Blocks 9 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
Search and AI assistants
- PerplexityBot Blocked
- PetalBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 24 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
9 of 33 AI crawlers blocked
Audience
- 61% desktop
- 39% phone
United Kingdom
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #347,772 of all domains
205 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 1.6 MB · 150 requests
- WordPress theme: icon-books-2018 · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Icon Books
- Founded: 1992
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (162.159.134.42)
- DNS: systemdns.com
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 535,227, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.iconbooks.com | 26 |
| iconbooks.com | 24 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped LazySizes Jul 2026
- detected core-js Mar 2026
- detected Gravity Forms Mar 2026
- detected LazySizes Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025