What powers penpalschools.com?
Last seen Jun 2026 · 53 technologies across 26 categories
Analytics
Authentication
Apple Sign-in
since Nov 2025
Captchas
reCAPTCHA
since Oct 2018
CDN
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since May 2018
IaaS
Google Cloud
since Jul 2025
Issue trackers
Sentry
since Jul 2025
JavaScript frameworks
JavaScript graphics
Chart.js
since Aug 2018
JavaScript libraries
Live chat
Intercom
since Aug 2018
Maps
Google Maps
since Aug 2018
Miscellaneous
Babel
since Mar 2020
Google Cloud Storage
since Nov 2025
HTTP/3
since Jul 2025
Open Graph
since Sep 2022
RSS
since Jul 2025
PaaS
Amazon Web Services
since Jan 2019
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jan 2019
TypeScript
since Nov 2025
Rich text editors
Quill
since Oct 2019
Security
HSTS
since Jul 2025
UI frameworks
Video players
VideoJS
since Mar 2020
Web frameworks
Ionic
since Nov 2025
Web servers
Apache HTTP Server
since May 2018
Webmail
Google Workspace
since Aug 2022
Widgets
Audience
- 53% desktop
- 47% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.58 / 10 · ranked #389,250 of all domains
121 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Google
- Weight: 1.7 MB · 174 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| go.penpalschools.com | 19 |
| app.penpalschools.com | 16 |
| blog.penpalschools.com | 16 |
| www.penpalschools.com | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Envoy May 2026
- detected Envoy Mar 2026
- dropped Envoy Jan 2026
- detected Envoy Nov 2025
- dropped Cart Functionality Sep 2025
- dropped Cloudflare Sep 2025
- dropped Cloudflare Bot Management Sep 2025
- dropped Crazy Egg Sep 2025
- dropped Font Awesome Sep 2025
- dropped Select2 Sep 2025
- dropped Snowplow Analytics Sep 2025
- dropped Stripe Sep 2025
- dropped Vimeo Sep 2025
- dropped Zotabox Sep 2025