What powers react.org?
Last seen Aug 2026 · 30 technologies across 20 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Apr 2019
CDN
CMS
Cookie compliance
Databases
MySQL
since Apr 2019
MailChimp
since Aug 2022
Font scripts
Twitter Emoji (Twemoji)
since Apr 2019
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2024
PaaS
Programming languages
PHP
since Apr 2019
Security
Translation
Weglot
since Jun 2026
UI frameworks
Web servers
Apache HTTP Server
since Feb 2023
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% desktop
- 30% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.31 / 10 · ranked #432,793 of all domains
84 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- CDN: Fastly
- Weight: 6.2 MB · 49 requests
- WordPress theme: duet-digital · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (151.101.130.159)
- DNS: TransIP
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 507,630, 3 hosts
- Verified with: Brevo, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.react.org | 29 |
| ssl.react.org | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Weglot Jun 2026
- detected Twitter Emoji (Twemoji) Mar 2026