What powers rdrr.io?
Last seen Jun 2026 · 15 technologies across 12 categories
Advertising
Analytics
CDN
Font scripts
Issue trackers
JavaScript libraries
Miscellaneous
PaaS
Security
Tag managers
Webmail
Widgets
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| cfcalendar | #25 | 5,800 |
| coef | #4 | 3,700 |
| princals | #7 | 2,300 |
| sunri | #40 | 1,200 |
| streg | #11 | 1,000 |
| tsa r | #7 | 850 |
| metap | #87 | 630 |
| metap | #65 | 630 |
| metap | #45 | 630 |
| dist | #16 | 320 |
| r programming website | #7 | 310 |
| name.check r | #2 | 310 |
| r code | #5 | 190 |
| r ones | #7 | 170 |
| r language online | #2 | 160 |
| colnames r | #1 | 120 |
| matlib | #17 | 120 |
| rgooglemaps | #10 | 110 |
| seq | #8 | 110 |
| rad deg | #70 | 100 |
| r code online | #1 | 97 |
| rots | #64 | 85 |
| rots | #36 | 85 |
| paste | #25 | 85 |
| hads | #75 | 85 |
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
- 81% desktop
- 17% phone
- 1% tablet
Hong Kong SAR China
United States
India
Japan
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.46 / 10 · ranked #18,949 of all domains
1,005 referring domains · OpenPageRank
Search traffic
29,300 est. monthly organic visits (US)
28,529 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.6 MB · 20 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rdrr.io | 15 |
| www.rdrr.io | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected EthicalAds May 2026
- dropped EthicalAds Feb 2026
- detected EthicalAds Dec 2025
- dropped Cloudflare Bot Management Nov 2025