What powers 
topicbox.com?
Last seen Aug 2026 · 12 technologies across 9 categories
Analytics
CDN
Font scripts
JavaScript libraries
Programming languages
Security
UI frameworks
Video players
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| topicbox | #1 | 21 |
| box for business pricing | #65 | 0 |
| box.com plans | #42 | 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
Policy unknown
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.44 / 10 · ranked #165,997 of all domains
176 referring domains · OpenPageRank
Search traffic
21 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.4 MB · 13 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on FASTMAILPTYLTD-AS-AP Fastmail Pty Ltd (103.168.172.117)
- DNS: Fastmail
- Email: Fastmail
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 458,487, 36 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.topicbox.com | 7 |
| 9fans.topicbox.com | 4 |
| agi.topicbox.com | 4 |
| perl.topicbox.com | 4 |
| carpentries.topicbox.com | 3 |
| iapp.topicbox.com | 3 |
| iceeft.topicbox.com | 3 |
| illumos.topicbox.com | 3 |
| thunderbird.topicbox.com | 3 |
| zfsonlinux.topicbox.com | 3 |
| finsure.topicbox.com | 2 |