What powers pctofu.com?

Last seen Aug 2026 · 40 technologies across 18 categories

A/B Testing

Optimizely
since Apr 2025

Analytics

Amplitude
since Aug 2026
Snowplow Analytics
since Aug 2026

CDN

Amazon S3
since Aug 2026
Cloudflare
since Apr 2025

CMS

Squarespace v7.1
since May 2023

Customer data platform

Segment
since Aug 2026

Development

styled-components v6.1.11
since Aug 2026
Turbopack
since Aug 2026

Ecommerce

Cart Functionality
since Nov 2021
Squarespace Commerce v7.1
since May 2023

Font scripts

Google Font API
since Feb 2020

Issue trackers

Sentry
since May 2023

JavaScript frameworks

Angular
since Apr 2026
Emotion
since Apr 2025
Next.js v16.3.0
since Aug 2026
Next.js App Router
since Aug 2026
React
since Aug 2026
Stimulus
since May 2023
Zone.js
since Apr 2026

JavaScript libraries

Apollo v3.14.1
since Aug 2026
core-js v3.38.1
since Sep 2021
Modernizr v2.8.3
since May 2023
YUI v3.17.2
since May 2023

Miscellaneous

HTTP/3
since Aug 2026
Open Graph
since May 2023
Webpack
since Aug 2026

PaaS

Amazon Web Services
since Aug 2026

Payment processors

PayPal
since Aug 2026

Performance

Priority Hints
since Aug 2023

Programming languages

GraphQL
since Aug 2026
Node.js
since Aug 2026
TypeScript
since Apr 2026

Reverse proxies

Envoy
since Aug 2026

Security

Cloudflare Bot Management
since Apr 2025
Cloudflare Turnstile
since Aug 2026
HSTS
since May 2023
reCAPTCHA
since Aug 2026
Riskified
since Aug 2026
Very Good Security
since Aug 2026

AI Crawlers

Blocks 15 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.

Training crawlers

  • AI2Bot Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • FacebookBot Blocked
  • ImagesiftBot Blocked
  • img2dataset Blocked
  • meta-externalagent Blocked
  • PanguBot Blocked
  • Webzio-Extended Blocked

Search and AI assistants

  • Amazonbot Blocked
  • PetalBot Blocked
  • YouBot Blocked

User-request fetchers

  • meta-externalfetcher Blocked

The other 18 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

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

See who blocks each AI crawler across the web

AI Crawlers

15 of 33 AI crawlers blocked

Full breakdown

Audience

  • United States

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

Open Page Rank

0.88 / 10 · ranked #14,965,173 of all domains

6 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP75 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 2.7 MB · 151 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Subdomains

HostTechs
pctofu.com 32
www.pctofu.com 18

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