What powers pencilapp.com?
Last seen Jun 2026 · 43 technologies across 23 categories
Analytics
Facebook Pixel
since Jul 2021
FullStory
since Oct 2021
Google Analytics
since Jun 2021
Snowplow Analytics
since Oct 2021
Appointment scheduling
Calendly
since Sep 2022
Authentication
Apple Sign-in
since Apr 2026
Google Sign-in
since Feb 2023
Caching
Varnish
since Sep 2022
CDN
Cloudflare
since May 2022
Google Hosted Libraries
since Sep 2022
jQuery CDN
since Feb 2022
jsDelivr
since Nov 2021
Customer data platform
Segment
since Oct 2021
Databases
Firebase
since Sep 2022
Editors
Unbounce
since Oct 2021
Font scripts
Google Font API
since Oct 2021
Issue trackers
Sentry
since Oct 2021
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Intercom
since Sep 2022
Miscellaneous
PaaS
Amazon Web Services
since Aug 2022
Page builders
Webflow
since Sep 2022
Programming languages
TypeScript
since Oct 2021
Rich text editors
Quill
since Oct 2021
Security
Cloudflare Bot Management
since May 2022
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2021
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 86% desktop
- 9% phone
- 6% tablet
United States
India
United Kingdom
France
Italy
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.74 / 10 · ranked #4,682,580 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.1 s |
| INP | 225 ms |
| CLS | 0.4 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 4.2 MB · 82 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| my.pencilapp.com | 24 |
| try.pencilapp.com | 16 |
| tryspaces.pencilapp.com | 14 |
| pencilapp.com | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple Sign-in Apr 2026
- dropped Chart.js Feb 2026
- detected Chart.js Dec 2025
- dropped Font Awesome Aug 2025