What powers spf13.com?
Last seen Jun 2026 · 19 technologies across 11 categories
Analytics
Cloudflare Browser Insights
since May 2026
Google Analytics
since Jun 2018
Caching
Varnish
since Sep 2022
CDN
Font scripts
Google Font API
since Apr 2018
Ionicons
since Mar 2022
JavaScript libraries
Miscellaneous
Google Code Prettify
since Sep 2022
HTTP/3
since Apr 2026
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
GitHub Pages
since Sep 2022
Performance
Priority Hints
since Jun 2026
Static site generator
UI frameworks
Bootstrap
since Sep 2022
Webmail
Google Workspace
since Aug 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| perl programming language | #40 | 47 |
| perl | #54 | 47 |
| rational meaning | #70 | 29 |
| coding languages | #77 | 25 |
| engineers | #96 | 19 |
| define engineer | #94 | 13 |
| the hidden face 2011 | #83 | 11 |
| green-lit | #81 | 10 |
| pointer vs reference | #7 | 9 |
| golang programming | #54 | 7 |
| the engineers | #47 | 6 |
| rest versus soap | #17 | 6 |
| conscious pronounce | #61 | 4 |
| dzone | #26 | 4 |
| ultimate vimrc | #4 | 3 |
| spf13/cobra | #7 | 3 |
| 200usd to php | #49 | 3 |
| beautiful in all languages | #84 | 2 |
| transfer case rebuild | #70 | 2 |
| vim extensions | #57 | 2 |
| what is the best programming language to learn | #97 | 2 |
| architecture pronounce | #65 | 2 |
| steve francia | #1 | 2 |
| nerdcommenter | #2 | 2 |
| hugo website | #32 | 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.
Open Page Rank
5.46 / 10 · ranked #163,427 of all domains
181 referring domains · OpenPageRank
Search traffic
310 est. monthly organic visits (US)
453 keywords in Google's top 30
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 3.1 MB · 223 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| spf13.com | 12 |
| vim.spf13.com | 8 |
| www.spf13.com | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Jun 2026
- detected Cloudflare Browser Insights May 2026
- dropped HSTS May 2026
- detected HTTP/3 Apr 2026