What powers calckr.com?

Last seen Aug 2026 · 22 technologies across 16 categories

Advertising

Google AdSense
since Dec 2025

Analytics

Google Analytics
since Dec 2025

CDN

Cloudflare
since Dec 2025

CMS

WordPress
since Dec 2025

Cookie compliance

Funding Choices
since Dec 2025

Databases

MySQL
since Dec 2025

Font scripts

Google Font API
since Dec 2025

JavaScript libraries

core-js v2.6.12
since May 2026
jQuery v3.7.1
since Dec 2025
jQuery Migrate v3.4.1
since Dec 2025

Load balancers

Amazon ALB
since May 2026

Miscellaneous

Kakao v2.7.0
since May 2026
Open Graph
since Dec 2025

PaaS

Amazon Web Services
since May 2026

Programming languages

PHP
since Dec 2025

Security

Really Simple SSL & Security
since Dec 2025
reCAPTCHA
since Dec 2025

Tag managers

Google Tag Manager
since Dec 2025

Web servers

Nginx
since Dec 2025
OpenResty
since Dec 2025

WordPress plugins

Site Kit v1.177.0
since Dec 2025
Slim SEO
since Dec 2025

AI Crawlers

robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.

  • robots.txt not checked
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

Audience

  • 86% desktop
  • 14% phone
  • South Korea

Where the site's Chrome visitors come from, largest estimated audience first.

Core Web Vitals

LCP2 s
INP75 ms
CLS0.4
TTFB700 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 0.0 MB · 6 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

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