What powers gradecalculator.tech?
Last seen Jun 2026 · 28 technologies across 17 categories
Advertising
Analytics
Authentication
Google Sign-in
since Aug 2025
CDN
Cloudflare
since Dec 2020
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Twitter Emoji (Twemoji)
since Feb 2020
Hosting
Hostinger
since Jan 2023
JavaScript libraries
FingerprintJS
since Apr 2026
web-vitals
since Feb 2022
Miscellaneous
Programming languages
Security
Cloudflare Bot Management
since Mar 2022
reCAPTCHA
since Apr 2022
SEO
Tag managers
Google Tag Manager
since Feb 2020
UI frameworks
Bootstrap
since Mar 2020
Web servers
LiteSpeed
since Feb 2020
WordPress themes
Astra
since Nov 2021
Audience
- 72% desktop
- 28% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.59 / 10 · ranked #5,741,703 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0.2 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 1.3 MB · 89 requests
- WordPress theme: gradecalc · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected FingerprintJS Apr 2026
- detected Google Tag Manager Mar 2026
- dropped Google Tag Manager Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Google Tag Manager Oct 2025
- detected Prebid Oct 2025
- detected Snowplow Analytics Oct 2025
- dropped 33Across Sep 2025
- dropped Adobe Audience Manager Sep 2025
- dropped Criteo Sep 2025
- dropped Google Publisher Tag Sep 2025
- dropped Google Tag Manager Sep 2025
- dropped jsDelivr Sep 2025
- dropped Microsoft ASP.NET Sep 2025
- dropped OpenX Sep 2025
- dropped Snowplow Analytics Sep 2025