What powers 
lensonleeuwenhoek.net?
Last seen Sep 2026 · 9 technologies across 8 categories
Analytics
CMS
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| antonie van | #15 | 92 |
| single lens microscope | #1 | 64 |
| antonie van leeuwenhoek pronunciation | #1 | 52 |
| galileo's microscope | #1 | 52 |
| galileo microscope | #1 | 52 |
| leeuwenhoek pronunciation | #3 | 38 |
| leeuwenhoek microscope | #6 | 30 |
| leeuwenhoek | #15 | 22 |
| animalcules | #10 | 21 |
| guilder | #16 | 19 |
| antonie van leeuwenhoek microscope | #9 | 15 |
| what is animalcules | #4 | 14 |
| what is a guilder | #4 | 11 |
| robert hooke microscope | #10 | 11 |
| antonie leeuwenhoek | #92 | 11 |
| william i prince of orange | #13 | 8 |
| holland 1600s | #6 | 7 |
| robert hooke invented microscope | #14 | 6 |
| how many microscopes did leeuwenhoek make | #2 | 6 |
| who discovered phosphorus | #11 | 5 |
| croone | #6 | 5 |
| antonie van leeuwenhoek died | #4 | 5 |
| james duke of york | #13 | 5 |
| united provinces of the netherlands | #23 | 4 |
| reinier de graaf | #6 | 4 |
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 AI crawlers blocked
Audience
- 51% desktop
- 49% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.62 / 10 · ranked #143,937 of all domains
33 referring domains · OpenPageRank
Search traffic
650 est. monthly organic visits (US)
280 keywords in Google's top 30
Core Web Vitals
| LCP | 3 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.9 MB · 65 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Sep 2009 (17 years) via Advanced Internet Technologies, Inc. (AIT), renews Sep 2027
- Hosted on A2 Hosting (70.32.23.120)
- DNS: A2 Hosting
- Email: lensonleeuwenhoek.net
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 22,146, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted