What powers proton.com?
Last seen Jun 2026 · 67 technologies across 27 categories
Advertising
Sizmek
since Jun 2018
Analytics
CDN
Alibaba Cloud CDN
since Jan 2024
cdnjs
since Nov 2021
Cloudflare
since May 2022
Microsoft Ajax Content Delivery Network
since Sep 2023
Unpkg
since Jun 2023
CMS
Databases
MySQL
since Sep 2024
Editors
Font scripts
Google Font API
since Nov 2023
Twitter Emoji (Twemoji)
since Feb 2026
JavaScript frameworks
JavaScript graphics
jQuery Sparklines
since Nov 2024
JavaScript libraries
Clipboard.js
since Nov 2024
OWL Carousel
since Sep 2024
Selectize
since Nov 2022
Slick
since Jun 2018
SweetAlert
since Jan 2021
SweetAlert2
since Sep 2024
Swiper
since Sep 2025
Load balancers
Azure Front Door
since Sep 2025
Maps
Google Maps
since Jun 2018
Miscellaneous
Operating systems
Windows Server
since Aug 2018
PaaS
Azure
since Sep 2023
Performance
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since Sep 2024
Programming languages
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Google Tag Manager
since Jun 2018
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VideoJS
since Sep 2025
Web frameworks
Express
since Sep 2025
Microsoft ASP.NET
since Aug 2018
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
AddToAny
since Aug 2023
WordPress plugins
TablePress
since Jan 2025
wpBakery
since Sep 2024
Audience
- 98% phone
- 2% desktop
Malaysia
Singapore
Hong Kong SAR China
Brunei
India
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.64 / 10 · ranked #380,465 of all domains
142 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (China)
- Weight: 21.7 MB · 195 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| emas.proton.com | 25 |
| cm1prod.proton.com | 23 |
| scprotondev.proton.com | 16 |
| www.proton.com | 16 |
| cms-web.proton.com | 13 |
| bpm.proton.com | 12 |
| customercare.proton.com | 12 |
| hca.proton.com | 10 |
| dcs.proton.com | 9 |
| myprotonapp.proton.com | 9 |
| dms-uat.proton.com | 8 |
| dms.proton.com | 8 |
| mes.proton.com | 7 |
| myproton.proton.com | 7 |
| palc.proton.com | 7 |
| used-cars.proton.com | 7 |
| eppos.proton.com | 5 |
| itsmticket.proton.com | 5 |
| proton4u.proton.com | 5 |
| ucmsystem.proton.com | 5 |
| gws.proton.com | 4 |
| ptos.proton.com | 4 |
| inventory-dp-uat.proton.com | 3 |
| inventorydpapp-eut.proton.com | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HTTP/3 Mar 2026
- dropped LiteSpeed Mar 2026
- dropped Litespeed Cache Mar 2026
- detected Apache HTTP Server Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped lit-element Jan 2026
- dropped lit-html Jan 2026