What powers checksig.com?
Last seen Jun 2026 · 37 technologies across 19 categories
Advertising
Microsoft Advertising
since Jul 2025
Analytics
Cloudflare Browser Insights
since Apr 2026
Google Analytics
since Mar 2022
Linkedin Insight Tag
since Mar 2022
Appointment scheduling
Calendly
since Sep 2022
CDN
Cookie compliance
iubenda
since Apr 2022
Font scripts
Google Font API
since Mar 2022
JavaScript frameworks
Svelte
since Jun 2023
JavaScript libraries
Live chat
WhatsApp Business Chat
since Apr 2024
Marketing automation
HubSpot
since Mar 2022
Miscellaneous
PaaS
Amazon Web Services
since Jun 2023
Performance
Cloudflare Rocket Loader
since May 2026
Priority Hints
since Oct 2025
Programming languages
Node.js
since Jun 2023
RUM
Datadog
since Jun 2026
Security
Cloudflare Bot Management
since Mar 2022
HSTS
since Jan 2025
Tag managers
Google Tag Manager
since Mar 2022
UI frameworks
Radix UI
since Oct 2025
shadcn/ui
since Oct 2025
SvelteKit
since Jun 2023
Tailwind CSS
since Jun 2023
Webmail
Apple iCloud Mail
since May 2026
Google Workspace
since Aug 2022
Audience
- 91% phone
- 6% tablet
- 3% desktop
Italy
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.07 / 10 · ranked #1,465,806 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 175 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Amazon CloudFront
- Weight: 0.7 MB · 46 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.checksig.com | 31 |
| my.checksig.com | 28 |
| clear.checksig.com | 26 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Criteo Jun 2026
- dropped jsDelivr Jun 2026
- dropped lite-youtube-embed Jun 2026
- dropped Microsoft Clarity Jun 2026
- dropped Quantcast Measure Jun 2026
- dropped TikTok Pixel Jun 2026
- dropped Twitter Ads Jun 2026
- dropped YouTube Jun 2026
- detected Apple iCloud Mail May 2026
- detected Cloudflare Rocket Loader May 2026
- dropped Matomo Analytics May 2026
- detected Cloudflare Browser Insights Apr 2026
- detected HTTP/3 Apr 2026
- detected Quantcast Measure Dec 2025
- detected Priority Hints Oct 2025
- detected Radix UI Oct 2025
- detected shadcn/ui Oct 2025
- detected Twitter Ads Oct 2025
- detected Criteo Aug 2025
- dropped Linkedin Ads Aug 2025