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SeznamBot

SeznamBot is the web crawler operated by Seznam.cz, the leading Czech search engine.
SeznamSeznamBot
Search Engine Crawler

What is SeznamBot?

SeznamBot collects pages for Seznam.cz web search. It is a public search crawler with particular relevance to sites that want to be found by Czech users, not a crawler installed for one customer's private site search.

The crawler discovers and revisits web pages so Seznam can build and refresh its index. Seznam warns that disallowing the bot prevents its users from seeing the covered pages in web results. Crawl access still does not guarantee indexing or rank.

A documented request can look like Mozilla/5.0 (compatible; SeznamBot/3.2; +http://fulltext.sblog.cz/). Seznam publishes crawler addresses for manual source checks, but this bot does not mark traffic as IP verified. The user agent should not be trusted by itself.

SeznamBot's documented purpose is web search collection. The available crawler guidance does not assign it a language-model training role or promise inclusion in generated answers. Its supported visibility impact is limited to Seznam's search index.

Relevant for AI searchSeznam

Is SeznamBot relevant for AI search?

Yes. SeznamBot feeds Seznam, so the pages it can reach shape what those AI products say about you.

SeznamBot feeds a search index that also powers that engine's AI answer features and overviews. One crawl can serve a classic results page and a generated summary, so blocking it costs you both the rankings you would expect and a growing share of AI answers built on the same index.

How to handle SeznamBot

Keep SeznamBot allowed on canonical public pages when Seznam search matters to your audience. If its traffic is too heavy, use Seznam's documented Request-rate control instead of assuming the standard Crawl-delay directive applies.

To remove the site from this crawler's reach, publish:

User-agent: SeznamBot
Disallow: /

Seznam documents robots.txt support, and this bot marks the bot as compliant. Rule changes may take time to be fetched. Compare later requests with Seznam's published crawler addresses if you need to distinguish genuine traffic from a copied user agent.

Examples

  • A Czech publisher leaves article pages open to SeznamBot but disallows a calendar endpoint that generates unbounded URLs.
  • A small shop uses Seznam's request-rate control after logs show that ordinary indexing is straining its server.
  • A security engineer compares a suspicious `SeznamBot/3.2` request with the operator's published crawler addresses before allowlisting it.

Frequently asked questions about SeznamBot

Learn about AI visibility monitoring and how Promptwatch helps your brand succeed in AI search.

Seznam.cz uses it to collect pages for its web search index.

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