What does Google say about SEO? /
Domain age and historical factors remain hotly debated topics in the SEO community. This category compiles Google's official statements regarding how domain age, history, and accumulated reputation influence search rankings. SEO professionals frequently question whether the sandbox effect truly exists for new websites, whether older domains hold inherent advantages, and how a site's history impacts current performance—including previous ownership changes, past penalties, and archived content. Google representatives have consistently addressed these concerns, particularly regarding the concept of trust built over time. Understanding these official positions helps practitioners separate persistent myths from actual ranking factors recognized by Google's algorithms. This knowledge proves invaluable when acquiring expired domains, conducting site migrations, or implementing rebranding strategies where historical signals can significantly impact future SEO performance. These declarations provide clarity on what truly matters: quality content and user experience rather than mere domain age, helping SEO specialists make informed strategic decisions based on verified information rather than speculation or outdated assumptions about temporal ranking factors.
★★★ Is mobile-desktop mismatch really destroying your SEO rankings right now?
During the shift to mobile-first indexing, Google observed that a large number of pages showed differences between mobile and desktop versions (distinct URLs). Content was often missing on mobile, alo...
Martin Splitt Mar 30, 2026
★★ Do structured data markups really bloat your HTML pages?
Adding structured data can significantly increase the weight of an HTML page. Google documents many types of structured data it supports, and their accumulation can easily bloat a page with invisible ...
Martin Splitt Mar 30, 2026
★★ Is your structured data bloating your pages too much to be worth the SEO investment?
Structured data can significantly increase a page's HTML weight because it is intended for machines rather than users. Google supports many types of structured data, which can easily bloat a page....
Martin Splitt Mar 30, 2026
★★ 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....
Martin Splitt Mar 30, 2026
★★ 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 ...
Martin Splitt Mar 30, 2026
Why does Google enforce a strict 1MB image size limit across its developer documentation?
Internally, Google uses a linter that prevents submission to developer documentation sites if an image exceeds one megabyte. This limit is designed to maintain optimal performance on official document...
Martin Splitt Mar 30, 2026
★★★ Is page size really still hurting your SEO in 2024?
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 t...
Gary Illyes Mar 30, 2026
★★ Is exploding web page weight hurting your SEO? Here's what you need to know
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 Int...
Gary Illyes Mar 30, 2026
★★ Is lazy loading really a must-have SEO performance lever you should activate systematically?
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....
Gary Illyes Mar 30, 2026
★★★ 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 ...
Martin Splitt Mar 30, 2026
★★ Does your website's overall size really hurt your SEO performance?
In the context of weight and size, it's more relevant to talk about webpages rather than websites. The notion of a 'heavy site' doesn't really make sense in SEO — it's the weight of individual pages t...
Gary Illyes Mar 30, 2026
★★ Can lazy loading really boost your performance without hurting crawlability?
Lazy loading allows you to load only heavy resources (like images) that the user actually sees while scrolling, rather than loading everything upfront. It's a method to make heavy pages less painful t...
Martin Splitt Mar 30, 2026
★★ Does page speed really impact conversions according to Google?
Studies show that faster websites have better retention and conversion rates. Speed depends partly on page weight: the more data there is to transfer, the longer the network and processor take to proc...
Martin Splitt Mar 30, 2026
★★ Is network compression really enough to optimize your site's crawlability?
Network-level compression helps reduce data transfer time, but does not solve the problem of storage space on the user's device or crawler. Data must be decompressed and stored locally....
Martin Splitt Mar 30, 2026
★★★ 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....
Martin Splitt Mar 30, 2026
★★★ 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...
Martin Splitt Mar 30, 2026
★★ Has mobile page weight tripled in 10 years? Why should SEO professionals care about this trend?
Data from the Web Almanac 2025 shows that the median weight of a mobile homepage has grown from 845 KB in 2015 to 2.3 MB in July 2025, representing a threefold increase over 10 years....
Gary Illyes Mar 30, 2026
★★ 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....
Martin Splitt Mar 30, 2026
★★★ 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...
Martin Splitt Mar 30, 2026
★★ 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 ...
Martin Splitt Mar 30, 2026
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