What powers gradecalc.info?
Last seen Jun 2026 · 15 technologies across 13 categories
Advertising
Google AdSense
since Apr 2018
Analytics
Google Analytics
since Jun 2018
Snowplow Analytics
since Nov 2024
Cookie compliance
Funding Choices
since Jan 2024
Font scripts
Google Font API
since Jan 2025
Load balancers
Amazon ALB
since Mar 2025
Miscellaneous
Open Graph
since Feb 2024
Operating systems
Ubuntu
since Apr 2018
PaaS
Amazon Web Services
since Mar 2025
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Oct 2021
UI frameworks
W3.CSS
since May 2023
Web servers
Widgets
Buy me a coffee
since Jul 2024
ShareThis
since Feb 2022
Audience
- 70% desktop
- 30% phone
New Zealand
Canada
Australia
Malaysia
Taiwan
Singapore
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.28 / 10 · ranked #8,907,164 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.6 MB · 78 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| gradecalc.info | 14 |
| www.gradecalc.info | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Snowplow Analytics May 2026
- dropped Snowplow Analytics Feb 2026
- detected Snowplow Analytics Dec 2025
- detected Google Font API Sep 2025