What powers tech21.com?
Last seen Jun 2026 · 71 technologies across 30 categories
A/B Testing
Google Optimize
since Mar 2021
Advertising
Microsoft Advertising
since Feb 2021
Affiliate programs
AWIN
since Feb 2021
Analytics
Elevar
since Oct 2021
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
Microsoft Clarity
since Jan 2022
Snowplow Analytics
since Sep 2023
CDN
Cookie compliance
OneTrust
since Oct 2022
Documentation
Zendesk
since Aug 2022
Ecommerce
Cart Functionality
since Nov 2020
Shopify
since Nov 2020
Font scripts
Google Font API
since Apr 2018
Form builders
Klaviyo Forms
since Jul 2025
JavaScript frameworks
JavaScript libraries
Boomerang
since Jul 2021
Highlight.js
since Aug 2025
Keen-Slider
since Jul 2023
LazySizes
since Feb 2022
Lightbox
since Feb 2024
Preact
since Oct 2021
Select2
since Aug 2025
Live chat
Freshchat
since Aug 2025
Marketing automation
Miscellaneous
Azure Edge Network
since Jul 2023
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Prism
since Aug 2025
PaaS
Amazon Web Services
since Nov 2023
Payment processors
American Express
since Nov 2020
Apple Pay
since Jan 2022
Klarna Checkout
since Nov 2023
Mastercard
since Oct 2021
PayPal
since Jan 2019
Shop Pay
since Nov 2020
Visa
since Nov 2020
Performance
Priority Hints
since Feb 2023
Photo galleries
PhotoSwipe
since Feb 2024
Programming languages
Ruby
since Aug 2025
Reverse proxies
Envoy
since Apr 2024
Reviews
Bazaarvoice Reviews
since Nov 2025
Trustpilot
since Apr 2021
RUM
New Relic
since Jul 2021
Search engines
Security
Cloudflare Bot Management
since Oct 2021
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Tailwind CSS
since Jul 2025
Web frameworks
Ruby on Rails
since Aug 2025
Webmail
Audience
- 51% desktop
- 49% phone
United Kingdom
Australia
United States
India
Germany
Italy
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.57 / 10 · ranked #390,925 of all domains
150 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 6.0 MB · 490 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| uk.tech21.com | 50 |
| eu.tech21.com | 49 |
| au.tech21.com | 45 |
| www.tech21.com | 45 |
| support.tech21.com | 21 |
| luck.tech21.com | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Apr 2026
- detected Bazaarvoice Reviews Nov 2025
- dropped Bootstrap Nov 2025