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Cốc Cốc

Coccocbot scrapes websites that are request from the Vietnamese search engine Coc Coc.
Coccoccoccocbot
Search Engine Crawler

What is Cốc Cốc?

Cốc Cốc uses coccocbot to fetch websites for its Vietnamese search engine. Blocking it is mainly a decision about visibility in Cốc Cốc search, particularly for sites that serve Vietnamese users.

A successful request only shows that Cốc Cốc reached the page. It is not evidence that the URL was indexed or ranked, and this bot does not connect the crawler to generative answers or model training. A coccocbot visit therefore says nothing about visibility in unrelated AI services.

The recorded HTTP header is Mozilla/5.0 (compatible; coccocbot-fast/1.0; +http://help.coccoc.com/searchengine). Access logs may show coccocbot-fast even though the directory's stable token is coccocbot. Preserve the variant name when measuring traffic so it is not mistaken for an unrelated client.

For coccocbot, the local metadata does not establish robots.txt compliance; Cloudflare's record labels it false. No verified IP identity or signature directory is provided. The header can classify a request, but it cannot authenticate the sender.

Relevant for AI searchCoccoc

Is Cốc Cốc relevant for AI search?

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

Cốc Cốc 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 Cốc Cốc

Keep public pages crawlable when Cốc Cốc search traffic matters to the site. To state a full opt-out for the catalog token and the observed fast variant, use:

User-agent: coccocbot
User-agent: coccocbot-fast
Disallow: /

Robots.txt compliance is not established, and Cloudflare's bot directory records the crawler as not following it. Review requests after publishing the rule, then enforce a required block outside robots.txt. The user-agent text alone cannot authenticate the sender.

Examples

  • A Vietnamese publisher finds `coccocbot-fast/1.0` fetching a newly linked article and records it as Cốc Cốc search traffic.
  • An international store allows product pages but applies an enforced block to expensive faceted URLs after confirming that robots.txt alone does not stop requests.

Frequently asked questions about Cốc Cốc

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

It fetches websites for Cốc Cốc, a Vietnamese search engine.

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