What powers gradecalculator.com?
Last seen Jun 2026 · 51 technologies across 21 categories
Advertising
33Across
since May 2024
AdThrive
since Jul 2025
Amazon Advertising
since Jun 2021
Criteo
since Jul 2023
DoubleClick Campaign Manager (DCM)
since Jul 2025
Google AdSense
since Jan 2019
Google Publisher Tag
since Feb 2021
ID5
since Oct 2023
OpenX
since Jul 2023
Primis
since May 2023
PubMatic
since Aug 2023
Rubicon Project
since Aug 2023
TripleLift
since Aug 2023
Analytics
comScore
since Jul 2025
Google Analytics
since Jan 2019
Microsoft Clarity
since Jun 2026
Plausible
since Aug 2023
Snowplow Analytics
since Jul 2023
Caching
Endurance Page Cache
since May 2022
WP Rocket
since Aug 2022
CDN
Cloudflare
since Mar 2021
jsDelivr
since Jul 2023
CMS
Cookie compliance
Funding Choices
since Mar 2024
Databases
MySQL
since Jan 2019
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
Hosting
Bluehost
since May 2022
JavaScript libraries
Modernizr
since Jan 2019
Load balancers
Amazon ALB
since Apr 2023
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Apr 2023
Vercel
since Jul 2023
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Nov 2023
Confiant
since Jul 2023
HSTS
since Jul 2023
reCAPTCHA
since Dec 2022
Segmentation
Adobe Audience Manager
since Feb 2023
Static site generator
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Apache HTTP Server
since Jun 2019
WordPress plugins
Audience
- 67% desktop
- 33% phone
United States
Mexico
Pakistan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.13 / 10 · ranked #10,684,675 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 200 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 2.9 MB · 488 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| gradecalculator.com | 35 |
| www.gradecalculator.com | 29 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected Microsoft Clarity Jun 2026
- detected TripleLift Jun 2026
- detected 33Across May 2026
- dropped 33Across Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- detected 33Across Feb 2026
- dropped TripleLift Feb 2026
- dropped 33Across Dec 2025
- detected 33Across Sep 2025
- dropped AppNexus Sep 2025
- dropped 33Across Aug 2025
- dropped Infolinks Aug 2025
- dropped LiveIntent Aug 2025
- dropped Tapad Aug 2025