Yahoo! JAPAN
GoodBotVerifiedBOTA dedicated crawler operated by Yahoo! JAPAN to index web content for their search engine and related digital services. Operated by Yahoo! JAPAN (LY Corporation).
What is Yahoo! JAPAN?
Y!J-DLC is the primary crawler agent utilized by Yahoo! JAPAN to discover and index web pages for their search engine ecosystem. Operated by LY Corporation, this bot systematically traverses the internet to ensure that Yahoo! JAPAN's search results remain current, relevant, and comprehensive for their user base. It adheres to standard web crawling protocols and is a critical component of the infrastructure that powers one of Japan's most prominent digital platforms.
Identification
J-DLC/Why it crawls your site
The bot crawls the web to populate the Yahoo! JAPAN search index, allowing the company to provide accurate search results and content discovery features to its users. By visiting websites, it gathers metadata and page content, which is then processed to rank pages based on relevance and quality. Site owners can verify the authenticity of this bot by checking that the source IP addresses originate from Yahoo! JAPAN's verified network ranges and by reviewing the official documentation provided on their support portal.
Block or allow Yahoo! JAPAN
Add a Disallow rule for J-DLC/ in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.
# Block Yahoo! JAPAN from crawling your entire site User-agent: J-DLC/ Disallow: / # Allow Yahoo! JAPAN full access User-agent: J-DLC/ Allow: /
Ensure your robots.txt allows J-DLC/. Verify requests by checking the user-agent string.
Traffic & trends
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From the community
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Data sources
This profile is compiled from the following sources.