What powers serendipitea.com?

Last seen Aug 2026 · 21 technologies across 11 categories

Analytics

Facebook Pixel v2.9.377
since Nov 2023
Google Analytics
since Jan 2019

CDN

cdnjs
since Apr 2026
Cloudflare
since Oct 2024

Ecommerce

Cart Functionality
since Apr 2026
Shopify
since Apr 2026

Font scripts

Google Font API
since Jun 2022
Typekit
since Apr 2026

JavaScript libraries

core-js v3.37.0
since Nov 2023
jQuery v3.7.1
since Feb 2021

Marketing automation

Constant Contact
since Sep 2021

Miscellaneous

HTTP/3
since Apr 2026
Open Graph
since Sep 2022

Payment processors

Apple Pay
since Apr 2026
PayPal
since Apr 2026
Shop Pay
since Apr 2026

Performance

Priority Hints
since Apr 2026

Security

Cloudflare Bot Management
since Oct 2024
HSTS
since Apr 2026
reCAPTCHA
since Sep 2022

Tag managers

Google Tag Manager
since Jul 2022

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 Aug 2026.

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Standards: llms.txt, llms-full.txt

Full breakdown

Audience

  • 58% phone
  • 42% desktop
  • United States

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

Open Page Rank

2.83 / 10 · ranked #1,910,472 of all domains

35 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
INP100 ms
CLS0.05
TTFB500 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 4.0 MB · 337 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Aug 2026.

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