What does Google say about SEO? /
Martin Splitt is a Developer Advocate at Google, specializing in JavaScript rendering and modern web application indexing. He created the 'SEO Mythbusting' video series and regularly explains how Googlebot handles JavaScript frameworks. His statements are essential for developers looking to optimize the SEO of their applications.
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🕒 ~1 min 🎯 5 questions
★★ Does site speed really impact your conversion rates?
Google acknowledges that studies show faster websites have better retention and conversion rates. Speed depends partly on page size: the more data to transfer, the longer the loading time....
Mar 30, 2026 ⚡ Analysis available
★★★ Does Googlebot really stop crawling after 15 MB per URL?
By default, Googlebot fetches 15 megabytes of raw content per URL, then stops. This limit applies individually to each URL: if an HTML page references external resources, each of those resources also ...
Mar 30, 2026 ⚡ Analysis available
★★ Does Google really block 40 billion spam URLs every single day?
Google intercepts tens of billions of spam URLs every day, a figure that illustrates the scope of spam that search engines must face....
Mar 30, 2026 ⚡ Analysis available
★★ Does structured data really slow down your crawl budget?
Structured data is designed for machines, not users. Depending on the volume of structured data added (Google supports many types), a page's HTML weight can increase considerably....
Mar 30, 2026 ⚡ Analysis available
★★ Is your page weight really slowing down your SEO performance?
Studies show that fast websites have better retention and conversion rates. Speed depends partly on page size: the more data to transfer, the longer the transfer and processing time....
Mar 30, 2026 ⚡ Analysis available
★★★ Why is mobile-desktop parity sabotaging your rankings in Mobile-First Indexing?
When transitioning to Mobile-First Indexing, Google observed that a large number of pages lacked parity between mobile and desktop versions. Content was missing, links were absent, navigation and meta...
Mar 30, 2026 ⚡ Analysis available
★★★ Does Googlebot really stop at 15 MB per URL?
By default, Googlebot retrieves 15 megabytes of raw content per URL, then stops. This limit applies per URL: if your HTML references other resources, each of them has its own 15 MB limit....
Mar 30, 2026 ⚡ Analysis available
★★ Can image optimization really cut your page weight by 90%?
It is recommended to optimize images for the web. An appropriately compressed image is visually identical to the original on screen, but can reduce file size from several megabytes to less than one me...
Mar 30, 2026 ⚡ Analysis available
★★ Does Google really block 40 billion spam URLs daily—and how does your site avoid the filter?
Google processes and blocks approximately 40 billion spam URLs per day, which illustrates the scale of the spam problem on the internet and the challenges search engines face in combating it....
Mar 30, 2026 ⚡ Analysis available
★★★ Is content disparity between mobile and desktop killing your rankings in mobile-first indexing?
During mobile-first indexing, Google has found that a large number of pages present significant differences between their mobile and desktop versions: missing content, absent links, different navigati...
Mar 30, 2026 ⚡ Analysis available
★★★ Does page loading speed really impact your conversion rates?
Studies show that faster websites have better retention and conversion rates. Reducing page size helps improve speed, because less data to transfer means faster loading and processing....
Mar 30, 2026 ⚡ Analysis available
★★ Are structured data slowing down your pages enough to harm your SEO?
Structured data, which are intended for machines rather than users, can considerably increase the weight of a page. Google supports many types of structured data, and their accumulation on a page can ...
Mar 30, 2026 ⚡ Analysis available
★★★ Does Googlebot really cap crawling at 15 MB per URL?
By default, Googlebot retrieves 15 megabytes of raw content per URL, then stops. This limit applies to each URL individually: if your HTML references other resources, those also have their own 15 MB l...
Mar 30, 2026 ⚡ Analysis available
★★ Is Google really enforcing a strict 1 MB limit on images—and what does that tell you about SEO priorities?
Google uses an internal linter that prevents the submission of images larger than 1 MB on developer documentation sites, underscoring the importance of image optimization....
Mar 30, 2026 ⚡ Analysis available
★★★ Is resource size really the make-or-break factor for your website's speed?
A site's speed depends partly on its size: the larger the volume of data to transfer, the longer it takes the network to transmit it and the longer the device's processor takes to process and display ...
Mar 30, 2026 ⚡ Analysis available
★★ Should you still worry about page weight for SEO in 2024?
Google recommends using caching, network-level compression, and lazy loading (deferred loading) to reduce the impact of page weight on user experience and performance....
Mar 30, 2026 ⚡ Analysis available
★★★ Is mobile-desktop parity really costing you search rankings more than you think?
During the shift to mobile-first indexing, Google discovered numerous sites where the mobile version lacked content, links, navigation, or metadata compared to the desktop version, causing ranking pro...
Mar 30, 2026 ⚡ Analysis available
★★★ Does page weight really affect user experience and SEO performance?
Google acknowledges that page weight remains a problem for user experience, particularly on slow connections. Faster websites have better retention rates and conversion rates according to studies ment...
Mar 30, 2026 ⚡ Analysis available
★★★ Does Googlebot really stop crawling after 15 MB per URL?
By default, Googlebot retrieves 15 megabytes of raw content per URL, then stops. This limit applies to each URL individually: if your HTML references other resources, those resources each have their o...
Mar 30, 2026 ⚡ Analysis available
★★ Is lazy loading really essential to optimize your initial page weight and boost Core Web Vitals?
Lazy loading allows you to load only images and heavy content that are actually visible or near the user's viewport, rather than loading everything upfront, thereby reducing the initial weight of the ...
Mar 30, 2026 ⚡ Analysis available
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