What powers gradecraft.com?
Last seen Aug 2026 · 27 technologies across 14 categories
Analytics
Ahoy
since Mar 2020
Google Analytics
since Aug 2018
CDN
Amazon CloudFront
since Aug 2018
Amazon S3
since Aug 2018
Font scripts
Font Awesome
since Aug 2025
Google Font API
since Aug 2018
Issue trackers
Atlassian Statuspage
since Jan 2023
JavaScript frameworks
JavaScript graphics
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Ruby
since Aug 2018
Rich text editors
Security
HSTS
since Nov 2022
Web frameworks
Ruby on Rails
since Aug 2018
Web servers
Nginx
since Aug 2018
Webmail
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.83 / 10 · ranked #1,907,472 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.3 MB · 14 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| app.gradecraft.com | 24 |
| umich.gradecraft.com | 23 |
| gradecraft.com | 6 |
| www.gradecraft.com | 6 |