What powers c2.com?
Last seen Jun 2026 · 10 technologies across 9 categories
Analytics
Google Analytics
since Apr 2018
Caching
Varnish
since Aug 2018
CDN
Cloudflare
since May 2022
Fastly
since Aug 2018
Operating systems
CentOS
since Apr 2018
PaaS
GitHub Pages
since Aug 2018
Security
Cloudflare Bot Management
since May 2022
Video players
Vimeo
since Apr 2018
Web servers
Apache HTTP Server
since Apr 2018
Webmail
Google Workspace
since Aug 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| yellow bike program | #6 | 64 |
| quantum bogo sort | #1 | 64 |
| state licence plates | #77 | 24 |
| yellow bike project | #10 | 21 |
| ward cunningham | #5 | 12 |
| duck typing | #24 | 8 |
| is god a proper noun | #5 | 7 |
| morse code machine | #59 | 6 |
| dvorak keyboard layout | #88 | 6 |
| cunningham and cunningham | #2 | 6 |
| yellow bike | #43 | 5 |
| yellow bike project | #32 | 4 |
| borges chinese encyclopedia | #3 | 4 |
| crc cards | #14 | 4 |
| driving metaphors | #6 | 4 |
| bogosort | #27 | 3 |
| quantum sort | #3 | 3 |
| kaweah river page | #1 | 3 |
| kaweah river | #26 | 3 |
| adapt vs adopt | #64 | 3 |
| etymology wiki | #10 | 3 |
| wiki wiki definition | #80 | 2 |
| crc cards | #56 | 2 |
| crc card | #34 | 2 |
| united states license plates | #93 | 2 |
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
- 50% phone
- 48% desktop
- 3% tablet
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.05 / 10 · ranked #6,526 of all domains
3,454 referring domains · OpenPageRank
Search traffic
320 est. monthly organic visits (US)
316 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.4 MB · 20 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| c2.com | 6 |
| wiki.c2.com | 4 |
| www.c2.com | 4 |
| proxy.c2.com | 3 |
| fit.c2.com | 2 |