What powers pen.do?
Last seen Jun 2026 · 56 technologies across 23 categories
Analytics
CDN
Amazon CloudFront
since Apr 2023
cdnjs
since Mar 2026
Cloudflare
since Apr 2025
jsDelivr
since Jul 2025
Unpkg
since Jul 2025
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Documentation
BetterDocs
since Jul 2025
Google Workspace
since Aug 2022
Font scripts
Font Awesome
since Aug 2018
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Aug 2018
Typekit
since Oct 2023
JavaScript frameworks
JavaScript libraries
Live chat
Intercom
since Oct 2019
Maps
Google Maps
since Aug 2018
Marketing automation
MailChimp
since Apr 2026
Miscellaneous
Babel
since Jul 2021
HTTP/3
since Apr 2025
LottieFiles
since Jul 2025
Open Graph
since Sep 2022
Popper
since Jul 2025
RSS
since Dec 2022
Operating systems
Ubuntu
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Performance
Priority Hints
since Jul 2025
Programming languages
Security
Cloudflare Bot Management
since Dec 2025
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Nov 2025
Tag managers
Google Tag Manager
since Feb 2021
UI frameworks
Bootstrap
since Jul 2025
Web servers
Widgets
ShareThis
since Aug 2018
WordPress plugins
BetterDocs plugin
since Jul 2025
Audience
- 57% desktop
- 43% phone
Canada
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.18 / 10 · ranked #3,145,913 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.9 MB · 245 requests
- WordPress theme: pendo · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| pen.do | 48 |
| app.pen.do | 22 |
| rentals.pen.do | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Linkedin Insight Tag May 2026
- detected MailChimp Apr 2026
- dropped Slick Apr 2026
- detected cdnjs Mar 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- detected Google Tag Manager Jan 2026
- detected Cloudflare Bot Management Dec 2025
- dropped HSTS Dec 2025
- detected All in One SEO Nov 2025
- detected reCAPTCHA Nov 2025