What powers flask.io?

Last seen Jun 2026 · 35 technologies across 20 categories

Advertising

Google AdSense
since Feb 2024
Twitter Ads
since Jul 2021

Analytics

FullStory
since Jan 2025
Google Analytics
since Aug 2018
Microsoft Clarity
since Dec 2025
Mixpanel v2.2
since Aug 2018

CDN

Cloudflare
since Aug 2018

Customer data platform

Segment
since Aug 2018

Email

Google Workspace
since Aug 2022
Mailgun
since Aug 2022

Font scripts

Google Font API
since Feb 2026
Typekit v1.21.0
since Aug 2018

Issue trackers

Sentry
since Feb 2026

JavaScript frameworks

Emotion
since Feb 2026
React
since Aug 2018
React Router v7.13.0
since Feb 2026

JavaScript libraries

jQuery v1.12.4
since Aug 2018
jQuery UI v1.10.3
since Aug 2018

Live chat

Intercom
since Aug 2018

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Feb 2026
PWA
since Feb 2026

Payment processors

Stripe
since Feb 2026

Performance

Turbolinks
since Nov 2021

Programming languages

Ruby
since Aug 2018

RUM

New Relic
since Aug 2018

Security

Cloudflare Bot Management
since Nov 2021
HSTS
since Feb 2023
reCAPTCHA
since Feb 2024

Tag managers

Google Tag Manager
since Feb 2024

UI frameworks

MUI
since Feb 2026

Web frameworks

Ruby on Rails
since Aug 2018

Widgets

Buy me a coffee
since Jul 2021
Twitter
since Aug 2018

Audience

  • 73% desktop
  • 27% phone
  • India
  • United Kingdom
  • United States

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

2.32 / 10 · ranked #2,842,381 of all domains

19 referring domains · OpenPageRank

Core Web Vitals

LCP3.1 s
INP75 ms
CLS0
TTFB2300 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 3.2 MB · 81 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
flask.io 27
beta.flask.io 21

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018