What powers contacts.lk?
Last seen Sep 2026 · 26 technologies across 15 categories
Advertising
Google AdSense
since Apr 2020
Analytics
Cloudflare Browser Insights
since Jul 2021
Google Analytics
since Apr 2020
Authentication
Google Sign-in
since Feb 2021
CDN
Cookie compliance
Funding Choices
since Aug 2023
Font scripts
Google Font API
since Nov 2022
Issue trackers
Sentry
since Aug 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Sep 2026
Programming languages
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 96% phone
- 4% desktop
Sri Lanka
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.01 / 10 · ranked #12,426,194 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 225 ms |
| CLS | 0.25 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 5.3 MB · 233 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.86.54)
- DNS: Cloudflare DNS
- Email: contacts.lk
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 26,428,496, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.contacts.lk | 26 |
| contacts.lk | 25 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026
- detected RxJS Sep 2026
- dropped Cloudflare Bot Management Aug 2026
- detected Sentry Aug 2026
- detected AMP Jul 2026
- detected Bootstrap Jul 2026
- detected cdnjs Jul 2026
- detected Cloudflare Jul 2026
- detected Cloudflare Browser Insights Jul 2026
- detected Font Awesome Jul 2026
- detected Funding Choices Jul 2026
- detected Google AdSense Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Sign-in Jul 2026
- detected Google Tag Manager Jul 2026
- detected HTTP/3 Jul 2026
- detected jQuery Jul 2026
- detected jQuery CDN Jul 2026
- detected jsDelivr Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected PWA Jul 2026
- detected reCAPTCHA Jul 2026
- detected Select2 Jul 2026
- detected Slick Jul 2026
- detected toastr Jul 2026
- detected Cloudflare Bot Management Jun 2026
- dropped LiteSpeed Jun 2026
- detected Cloudflare Browser Insights May 2026
- dropped Cloudflare Browser Insights Mar 2026
- detected LiteSpeed Feb 2026
- dropped Amazon ALB Nov 2025
- dropped Amazon Web Services Nov 2025
- dropped AngularJS Nov 2025
- detected Google Font API Nov 2025
- dropped Impact Nov 2025
- dropped Patreon Nov 2025
- dropped WhatsApp Business Chat Nov 2025