What powers 
rjlsoftware.com?
Last seen Aug 2026 · 34 technologies across 17 categories
Advertising
Analytics
CDN
Cookie compliance
Font scripts
JavaScript libraries
Load balancers
Marketing automation
Miscellaneous
PaaS
Payment processors
Performance
Security
Segmentation
Tag managers
Web frameworks
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt, restricts 11 more. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- Applebot-Extended Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Perplexity-User Restricted
The other 21 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #719,656 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Organisation
- RJL Software
- Founded: 1999
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.35.145, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,901,896, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rjlsoftware.com | 28 |
| www.rjlsoftware.com | 15 |