What powers opencrm.co.uk?
Last seen Sep 2026 · 31 technologies across 20 categories
Analytics
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
Caching
Redis Object Cache
since Feb 2024
WP Rocket
since Mar 2021
CDN
Amazon CloudFront
since Jan 2018
CMS
Databases
Font scripts
Google Font API
since Jan 2016
JavaScript libraries
Live Chat
Tawk.to
since Jun 2018
Miscellaneous
PaaS
Amazon Web Services
since Mar 2021
Performance
Priority Hints
since Sep 2025
Programming languages
PHP
since Jun 2018
Rich text editors
Security
HSTS
since Sep 2022
SEO
Web server extensions
Web servers
Apache HTTP Server
since Jun 2016
Webmail
Microsoft 365
since Aug 2022
Widgets
Facebook
since Jun 2018
Google Plus
since Jul 2017
WordPress plugins
RankMath SEO
since Sep 2025
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 *: Blocked (was Restricted)
AI Crawlers
All crawlers blocked
Standards: llms.txt
Audience
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,357,472 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 225 ms |
| CLS | 0.05 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.1 MB · 65 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (16.61.88.245, IPv6)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Sectigo, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 7,156,803, 15 hosts
- Verified with: Google, Postman
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| opencrm.co.uk | 15 |
| www.opencrm.co.uk | 14 |
| customerportal.opencrm.co.uk | 11 |
| hydro-x.opencrm.co.uk | 10 |
| onestopcleaningshop.opencrm.co.uk | 10 |
| vetpd-portal.opencrm.co.uk | 10 |
| showforce-portal.opencrm.co.uk | 8 |
Full technology history →
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Recent changes
- dropped Ahrefs Aug 2026
- dropped Complianz Aug 2026
- dropped Elementor Aug 2026
- dropped Google Tag Manager Aug 2026
- dropped LiteSpeed Aug 2026
- dropped Litespeed Cache Aug 2026
- dropped Microsoft Advertising Aug 2026
- dropped MonsterInsights Aug 2026
- dropped Slick Aug 2026
- dropped core-js Apr 2026
- dropped Facebook Login Apr 2026
- dropped Facebook Pixel Apr 2026
- dropped Microsoft Clarity Apr 2026
- dropped OpenSSL Apr 2026
- dropped Underscore.js Apr 2026
- dropped cdnjs Mar 2026
- dropped Cloudflare Mar 2026
- dropped Redis Mar 2026
- dropped Redis Object Cache Mar 2026
- dropped Yoast SEO Premium Mar 2026