What powers portcheckers.com?

Last seen Sep 2026 · 16 technologies across 13 categories

Advertising

Google AdSense
since Jan 2019

Analytics

Clicky
since Jan 2019

CDN

cdnjs
since Nov 2021
Cloudflare
since Oct 2020

Cookie compliance

Funding Choices
since Feb 2024

Font scripts

Google Font API
since Oct 2022

Hosting panels

Plesk
since Nov 2019

JavaScript libraries

jQuery v3.6.1
since Jan 2019

Miscellaneous

HTTP/3
since May 2025
Open Graph
since Jan 2023

Performance

Cloudflare Rocket Loader
since May 2025
Priority Hints
since Sep 2026

Security

reCAPTCHA
since Apr 2022

Tag managers

Google Tag Manager
since Aug 2021

UI frameworks

Bootstrap v3.3.7
since Jan 2019

Web frameworks

Microsoft ASP.NET v4.0.30319
since Jan 2019

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Open Page Rank

2.35 / 10 · ranked #2,771,761 of all domains

18 referring domains · OpenPageRank

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 1.7 MB · 183 requests
  • Structured data: Microdata, OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Cloudflare (104.21.40.79, IPv6)
  • Email: no MX record returned
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 2,911,004, 2 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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