What powers isbtweb.org?
Last seen Jun 2026 · 52 technologies across 21 categories
Advertising
Microsoft Advertising
since Oct 2024
Twitter Ads
since May 2021
Analytics
Google Ads Conversion Tracking
since May 2022
Google Analytics
since Jan 2019
Hotjar
since May 2020
Linkedin Insight Tag
since Apr 2022
Vercel Analytics
since Dec 2025
CDN
Cloudflare
since Mar 2022
jsDelivr
since Nov 2020
CMS
TYPO3 CMS
since Jan 2019
Cookie compliance
Amazon SES
since Jun 2023
Mailjet
since Aug 2022
Font scripts
Issue trackers
Cloudflare Network Error Logging
since Mar 2022
JavaScript frameworks
Next.js App Router
since Dec 2025
React
since Dec 2025
JavaScript libraries
SweetAlert2
since Jul 2020
Live chat
Intercom
since Nov 2020
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Popper
since Apr 2022
PWA
since Dec 2025
Webpack
since Dec 2025
PaaS
Amazon Web Services
since Jun 2023
Vercel
since Dec 2025
Performance
Priority Hints
since Dec 2025
Programming languages
Rich text editors
Security
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Dec 2025
Web servers
Apache HTTP Server
since May 2020
Nginx
since Jan 2019
Widgets
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| blood group chart | #8 | 730 |
| blood group types | #17 | 240 |
| common blood group | #28 | 100 |
| how many blood types are there | #7 | 100 |
| blood group chart | #88 | 78 |
| blood group chart | #42 | 78 |
| blood group genotype | #7 | 74 |
| blood group and genotype | #7 | 74 |
| blood transfusion chart | #4 | 66 |
| blood group table | #2 | 63 |
| blood group antigens | #5 | 61 |
| rbc antigens | #3 | 57 |
| new blood type | #7 | 56 |
| massive blood transfusion protocol | #9 | 54 |
| how long do transfused platelets last | #1 | 52 |
| massive blood transfusion | #3 | 47 |
| blood types and antigens chart | #1 | 43 |
| blood type antigens chart | #1 | 43 |
| blood type and antigen chart | #1 | 43 |
| isbt 2025 | #1 | 43 |
| transfusion | #24 | 35 |
| blood and blood products | #7 | 33 |
| blood transfusion reactions | #17 | 32 |
| blood group systems | #4 | 24 |
| rarest blood type | #27 | 23 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 52% desktop
- 47% phone
- 1% tablet
Malaysia
Singapore
United States
India
Japan
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.85 / 10 · ranked #122,350 of all domains
240 referring domains · OpenPageRank
Search traffic
3,500 est. monthly organic visits (US)
1,748 keywords in Google's top 30
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.1 MB · 100 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| education.isbtweb.org | 26 |
| www.isbtweb.org | 22 |
| blooddatabase.isbtweb.org | 17 |
| isbtweb.org | 12 |