What does Google say about SEO?

Is mobile-desktop parity really costing you search rankings more than you think?

Martin Splitt Mar 30, 2026 ★★★

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 problems.

Domain Age & History Content Crawl & Indexing AI & SEO Links & Backlinks Mobile SEO Pagination & Structure Search Console

Should you still worry about page weight for SEO in 2024?

Martin Splitt Mar 30, 2026 ★★

Google recommends using caching, network-level compression, and lazy loading (deferred loading) to reduce the impact of page weight on user experience and performance.

Domain Age & History Images & Videos Web Performance Search Console

Is resource size really the make-or-break factor for your website's speed?

Martin Splitt Mar 30, 2026 ★★★

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 it.

AI & SEO Web Performance Local Search

Is Google really enforcing a strict 1 MB limit on images—and what does that tell you about SEO priorities?

Martin Splitt Mar 30, 2026 ★★

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.

Domain Age & History Images & Videos PDF & Files

Does optimizing page size actually benefit users more than it benefits your search rankings?

Gary Illyes Mar 30, 2026 ★★★

Every size optimization helps not only with search engines but especially with end users. Users definitely prefer responsive websites, and overly heavy pages harm that responsiveness.

Domain Age & History AI & SEO

Does Googlebot really cap crawling at 15 MB per URL?

Martin Splitt Mar 30, 2026 ★★★

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 limit.

Content Crawl & Indexing Domain Name

Is exploding web page weight hurting your SEO? Here's what you need to know

Gary Illyes Mar 30, 2026 ★★

According to the Web Almanac 2025, the median weight of a mobile homepage rose from 845 KB in 2015 to 2.3 MB in July 2025—a threefold increase. This growth substantially exceeds the improvement in Internet connection speeds.

Domain Age & History AI & SEO Mobile SEO Web Performance

Is page size really still hurting your SEO in 2024?

Gary Illyes Mar 30, 2026 ★★★

Large pages continue to pose problems for users with slow connections or limited storage space on their devices, even as networks become faster. Speed is partly related to size because the more data there is to transfer, the longer processing and dis...

Domain Age & History AI & SEO JavaScript & Technical SEO Web Performance

Are structured data slowing down your pages enough to harm your SEO?

Martin Splitt Mar 30, 2026 ★★

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 easily bloat the HTML size.

Domain Age & History Structured Data AI & SEO Pagination & Structure

Does page loading speed really impact your conversion rates?

Martin Splitt Mar 30, 2026 ★★★

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.

Domain Age & History AI & SEO JavaScript & Technical SEO Web Performance

Is lazy loading really a must-have SEO performance lever you should activate systematically?

Gary Illyes Mar 30, 2026 ★★

Lazy loading (deferred loading) allows you to load only heavy resources such as images when the user scrolls toward them, rather than loading everything upfront. This reduces the initial page load.

Domain Age & History Content AI & SEO Images & Videos Web Performance

Does Google really block 40 billion spam URLs daily—and how does your site avoid the filter?

Martin Splitt Mar 30, 2026 ★★

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.

AI & SEO JavaScript & Technical SEO Mobile SEO Domain Name Penalties & Spam

Can image optimization really cut your page weight by 90%?

Martin Splitt Mar 30, 2026 ★★

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 megabyte, with no perceptible loss for the user.

Domain Age & History AI & SEO Images & Videos

Does Googlebot really stop at 15 MB per URL?

Martin Splitt Mar 30, 2026 ★★★

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.

Content Crawl & Indexing Domain Name

Is your page weight really slowing down your SEO performance?

Martin Splitt Mar 30, 2026 ★★

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.

Domain Age & History AI & SEO JavaScript & Technical SEO Web Performance

Does structured data really slow down your crawl budget?

Martin Splitt Mar 30, 2026 ★★

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.

Domain Age & History Structured Data Pagination & Structure

Does Google really block 40 billion spam URLs every single day?

Martin Splitt Mar 30, 2026 ★★

Google intercepts tens of billions of spam URLs every day, a figure that illustrates the scope of spam that search engines must face.

AI & SEO JavaScript & Technical SEO Mobile SEO Domain Name Penalties & Spam

Should you really cap your images at 1 MB to satisfy Google?

Gary Illyes Mar 30, 2026 ★

Internally at Google, a linter prevents the submission of images larger than 1 megabyte on documentation sites intended for Search developers. This limit helps maintain lightweight pages.

Domain Age & History AI & SEO Images & Videos PDF & Files

Does Googlebot really stop crawling after 15 MB per URL?

Martin Splitt Mar 30, 2026 ★★★

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 has its own 15 MB limit.

Domain Age & History Content Crawl & Indexing Domain Name

Does site speed really impact your conversion rates?

Martin Splitt Mar 30, 2026 ★★

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.

Domain Age & History AI & SEO JavaScript & Technical SEO Web Performance