What powers 
preslia.cz?
Last seen Aug 2026 · 7 technologies across 6 categories
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
UI frameworks
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| alien plants | #49 | 3 |
| alien plants | #29 | 3 |
| plant alien | #67 | 3 |
| asplenium platyneuron | #29 | 2 |
| gloeocystis | #5 | 2 |
| hesperis slovaca | #5 | 2 |
| taxonomy of cyanobacteria | #9 | 1 |
| genera of algae | #46 | 1 |
| cyanobacteria taxonomy | #11 | 1 |
| cyanobacteria genus | #9 | 1 |
| cyanobacteria classification | #9 | 1 |
| zbytky hradu stbrn skalice | #69 | 0 |
| biotic resistance hypothesis | #44 | 0 |
| caloplaca chrysodeta | #95 | 0 |
| caloplaca chrysodeta | #49 | 0 |
| chlorophora excelsa | #76 | 0 |
| chlorococcales | #58 | 0 |
| chlorococcales | #42 | 0 |
| cladium mariscus | #78 | 0 |
| cladium mariscus | #78 | 0 |
| taxonomy of cyanobacteria | #43 | 0 |
| taxonomic classification of cyanobacteria | #91 | 0 |
| taxonomic classification of cyanobacteria | #35 | 0 |
| tortula muralis | #77 | 0 |
| types of dispersal of seeds | #20 | 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 AI crawlers blocked
Open Page Rank
5.28 / 10 · ranked #215,173 of all domains
97 referring domains · OpenPageRank
Search traffic
20 est. monthly organic visits (US)
95 keywords in Google's top 30
Page
- Language: English (United States)
- Weight: 1.5 MB · 22 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Preslia
- Founded: 1914
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on CESNET2 (147.231.110.152)
- DNS: ignum.com
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Oct 2026
- Common Crawl link graph: rank 467,202, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudflare Jan 2026
- dropped Cloudflare Bot Management Jan 2026
- dropped Twitter Jan 2026
- dropped Twitter Ads Jan 2026
- dropped Amazon ALB Oct 2025
- dropped Amazon Web Services Oct 2025