What powers sfelc.com?

Last seen Sep 2026 · 21 technologies across 12 categories

Analytics

Google Analytics
since Mar 2020
Hotjar
since Oct 2022
HubSpot Analytics
since May 2022
Linkedin Insight Tag
since Feb 2021

Caching

Varnish
since Mar 2020

CDN

Cloudflare
since Sep 2021

Email

Google Workspace
since Aug 2022

Font scripts

Google Font API
since Mar 2020

JavaScript frameworks

Emotion
since Jul 2021
Next.js v10.2.3
since Mar 2020
React
since Mar 2020

JavaScript libraries

core-js v2.6.12
since Sep 2021
MobX
since Mar 2020

Marketing automation

HubSpot
since May 2022
MailChimp
since Mar 2020

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since Mar 2020

Programming languages

Node.js
since Mar 2020

Security

Cloudflare Bot Management
since May 2022

Tag managers

Google Tag Manager
since Sep 2020

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 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

Audience

  • 85% desktop
  • 15% phone
  • United States

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

Open Page Rank

3.99 / 10 · ranked #572,245 of all domains

61 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP50 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • CDN: Cloudflare, Fastly
  • Weight: 4.4 MB · 107 requests
  • Structured data: Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

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

Full technology history →
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