What powers wvls.org?
Last seen Aug 2026 · 29 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Page builders
Performance
Programming languages
Security
Web frameworks
Web Servers
Webmail
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 google-extended removed from robots.txt
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 73% phone
- 27% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.33 / 10 · ranked #1,085,096 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.5 MB · 52 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Wisconsin Valley Library Service
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.45.109, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 532,734, 15 hosts
- Verified with: Amazon SES, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.wvls.org | 18 |
| mcpl.catalog.wvls.org | 15 |
| wvls.org | 15 |
| crandon.catalog.wvls.org | 13 |
| antigopl.catalog.wvls.org | 11 |
| catalog.wvls.org | 11 |
| granton.catalog.wvls.org | 11 |
| medford.catalog.wvls.org | 11 |
| merrill.catalog.wvls.org | 11 |
| minocqua.catalog.wvls.org | 11 |
| rhinelander.catalog.wvls.org | 11 |
| tomahawk.catalog.wvls.org | 11 |
| test-catalog.wvls.org | 10 |
| ilsapp.wvls.org | 9 |
| mcatalog.wvls.org | 8 |
| vcat.wvls.org | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Aug 2026
- dropped lit-element Aug 2026
- dropped lit-html Aug 2026
- dropped Prism Aug 2026
- detected Laravel Jul 2026
- detected Livewire Jul 2026
- detected core-js Apr 2026
- detected lit-element Apr 2026
- detected lit-html Apr 2026
- detected Prism Apr 2026