Google has shared new details about how Googlebot crawl limits work and why they are important for managing website crawling efficiently.
During a Search Off The Record discussion, Google’s Gary Illyes explained that Googlebot operates with built-in safeguards to protect Google’s infrastructure while crawling web pages—an important concept often covered in a digital marketing course.
Googlebot’s 15MB Crawl Limit
Googlebot has a default 15MB file size limit, meaning the crawler stops downloading content once this limit is reached. However, this setting can be adjusted internally. For example, Google Search reduces the crawl limit to 2MB to improve processing speed and efficiency.
A Flexible Crawling System
Martin Splitt clarified that Google’s crawling system is not monolithic. Instead, it operates on a software-as-a-service model, with configurations that can change depending on content type and crawling needs. Images and PDFs, for instance, may have higher size limits compared to standard web pages.
Why This Matters for SEO
Understanding crawl limits helps website owners optimise page size, improve loading performance, and ensure important content is properly indexed by Google.
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Key Takeaway
Googlebot’s crawl limits are flexible and adjustable rather than fixed. Optimising website performance and content size can improve crawling efficiency and overall SEO performance.
Googlebot’s crawl behaviour is dynamic and customisable rather than fixed. Crawl limits exist mainly to protect infrastructure, but they can be adjusted to suit different types of content and search needs.