What powers sbcl.org?
Last seen Sep 2026 · 3 technologies across 3 categories
CDN
Security
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| steel bank common lisp | #1 | 180 |
| lisp | #15 | 170 |
| asdf | #33 | 160 |
| define asdf | #14 | 12 |
| steel bank | #2 | 11 |
| common lisp | #17 | 4 |
| lisp compiler | #13 | 1 |
| what is asdf | #53 | 1 |
| download lisp | #10 | 0 |
| steel banks | #15 | 0 |
| ecl common lisp | #43 | 0 |
| ecl lisp | #53 | 0 |
| porting bits | #53 | 0 |
| asdf a | #70 | 0 |
| asdf tools | #81 | 0 |
| what does sb mean in running | #92 | 0 |
| sb code | #97 | 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.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Canada
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.18 / 10 · ranked #98,063 of all domains
255 referring domains · OpenPageRank
Search traffic
530 est. monthly organic visits (US)
17 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Registered Apr 2003 (23 years) via Gandi SAS, renews Apr 2029
- Hosted on LIGHTEDGE-AS-02 - LightEdge Solutions (204.68.111.101)
- DNS: Gandi
- Email: Gandi
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, ECDSA P384, expires Nov 2026
- Common Crawl link graph: rank 449,530, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sbcl.org | 3 |
| www.sbcl.org | 3 |