What powers rkraihan.com?
Last seen Jun 2026 · 22 technologies across 16 categories
Advertising
Google AdSense
since Jan 2022
Analytics
Google Analytics
since Jan 2022
Authentication
Facebook Login
since May 2025
Blogs
Blogger
since Jan 2022
CDN
Font scripts
Google Font API
since Jan 2022
JavaScript libraries
Miscellaneous
Performance
Cloudflare Rocket Loader
since Jun 2023
Programming languages
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jan 2022
UI frameworks
Video players
YouTube
since May 2025
Web servers
OpenGSE
since Jan 2022
Webmail
Google Workspace
since Aug 2022
Audience
- 96% phone
- 3% desktop
- 1% tablet
Bangladesh
Saudi Arabia
Nigeria
India
France
Italy
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.80 / 10 · ranked #16,574,279 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Google
- Weight: 0.2 MB · 12 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| en.rkraihan.com | 13 |
| english.rkraihan.com | 13 |
| search.rkraihan.com | 13 |
| course.rkraihan.com | 8 |
| www.rkraihan.com | 8 |
| foreign.rkraihan.com | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped 33Across Feb 2026
- dropped Criteo Feb 2026
- dropped DoubleClick for Publishers (DFP) Feb 2026
- dropped Google Publisher Tag Feb 2026
- detected 33Across Dec 2025
- detected Criteo Dec 2025
- detected DoubleClick for Publishers (DFP) Dec 2025
- detected Google Publisher Tag Dec 2025