What powers hadley.nz?
Last seen Jun 2026 · 22 technologies across 13 categories
Affiliate programs
Amazon Associates
since Jul 2021
Analytics
Google Analytics
since Jun 2019
Plausible
since Jun 2022
Caching
Varnish
since May 2019
CDN
Comment systems
Livefyre
since Jul 2021
Documentation
Font scripts
Font Awesome
since Dec 2020
JavaScript graphics
JavaScript libraries
Maps
Leaflet
since May 2019
Miscellaneous
Open Graph
since Sep 2022
Popper
since Apr 2022
PaaS
Amazon Web Services
since Apr 2019
GitHub Pages
since May 2019
UI frameworks
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| hadley wickham | #1 | 270 |
| hadley | #14 | 51 |
| r hadley wickham | #6 | 2 |
| charlotte wickham | #27 | 0 |
| tidy data hadley wickham | #92 | 0 |
| tidy data hadley wickham | #92 | 0 |
| r package book | #20 | 0 |
| r for data science by hadley wickham | #87 | 0 |
| all my books software | #90 | 0 |
| hadley wickham tidy data | #81 | 0 |
| hadley wickham advanced r | #35 | 0 |
| hadley website | #20 | 0 |
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
- 85% desktop
- 13% phone
- 1% tablet
Sweden
Chile
Nigeria
United States
India
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.02 / 10 · ranked #40,112 of all domains
523 referring domains · OpenPageRank
Search traffic
320 est. monthly organic visits (US)
12 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.5 MB · 25 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| it.r4ds.hadley.nz | 16 |
| adv-r.hadley.nz | 14 |
| tr.r4ds.hadley.nz | 14 |
| es.r4ds.hadley.nz | 10 |
| pt.r4ds.hadley.nz | 10 |
| r4ds.hadley.nz | 10 |
| hadley.nz | 9 |