What powers twobithistory.org?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
Chartbeat
since Jul 2024
Caching
Varnish
since Jan 2019
CDN
Fastly
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
GitHub Pages
since Jan 2019
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| lisp | #27 | 70 |
| computer punch cards | #6 | 64 |
| semantic web | #6 | 54 |
| ibm punch cards | #4 | 47 |
| cvs source control | #18 | 40 |
| two bit | #12 | 27 |
| ibm card punch machine | #2 | 21 |
| differential analyser | #4 | 21 |
| punched card keys | #3 | 20 |
| lisp programming | #14 | 20 |
| the semantic web | #10 | 18 |
| ruby language | #23 | 17 |
| learn basic | #2 | 16 |
| lisp programming language | #16 | 15 |
| punch card | #21 | 14 |
| two bits | #42 | 13 |
| roy fielding rest api | #1 | 9 |
| keypunch cards | #3 | 9 |
| ibm key punch machine | #1 | 9 |
| ibm 029 keypunch | #1 | 9 |
| ibm 029 | #1 | 9 |
| bsp tree | #10 | 8 |
| what is lisp programming | #16 | 8 |
| when was json invented | #2 | 8 |
| altair 8800 computer | #29 | 8 |
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
- 59% desktop
- 41% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.55 / 10 · ranked #152,974 of all domains
249 referring domains · OpenPageRank
Search traffic
710 est. monthly organic visits (US)
272 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Fastly
- Weight: 0.2 MB · 11 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.