What powers sailingcourseonline.co.uk?
Last seen Aug 2026 · 35 technologies across 22 categories
Advertising
Microsoft Advertising
since Feb 2021
Analytics
Google Analytics
since Feb 2020
Microsoft Clarity
since Dec 2021
CDN
CMS
Kentico CMS
since Aug 2020
Amazon SES
since Feb 2026
Font scripts
Font Awesome
since Feb 2020
Google Font API
since Feb 2020
Issue trackers
Help Scout
since Apr 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Klaviyo
since Dec 2023
Miscellaneous
Operating systems
Windows Server
since Feb 2020
PaaS
Amazon Web Services
since Dec 2022
Performance
Priority Hints
since Jan 2026
Reviews
Feefo
since Feb 2022
Security
Cloudflare Bot Management
since Aug 2022
HSTS
since Dec 2023
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
Bootstrap
since Feb 2020
Tailwind CSS
since Dec 2023
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 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
- 66% phone
- 34% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.50 / 10 · ranked #6,496,333 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 1.4 MB · 97 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sailingcourseonline.co.uk | 25 |
| app.sailingcourseonline.co.uk | 15 |
| app2.sailingcourseonline.co.uk | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Advertising Mar 2026
- detected Microsoft Clarity Mar 2026
- dropped Partytown Mar 2026
- detected Amazon SES Feb 2026
- dropped Hotjar Feb 2026
- detected Partytown Jan 2026
- detected Priority Hints Jan 2026