What does Google say about SEO?

Is mobile-desktop mismatch really destroying your SEO rankings right now?

Martin Splitt Mar 30, 2026 ★★★

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, along with links, navigation, and metadata, which imp...

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

Do structured data markups really bloat your HTML pages?

Martin Splitt Mar 30, 2026 ★★

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 content from the user's perspective.

Domain Age & History Content Structured Data Pagination & Structure PDF & Files

Is network compression really enough to optimize your site's crawlability?

Martin Splitt Mar 30, 2026 ★★

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.

Domain Age & History Crawl & Indexing AI & SEO JavaScript & Technical SEO Local Search

Can lazy loading really boost your performance without hurting crawlability?

Martin Splitt Mar 30, 2026 ★★

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 to load.

Domain Age & History Images & Videos Web Performance

Does your website's overall size really hurt your SEO performance?

Gary Illyes Mar 30, 2026 ★★

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 that counts.

Domain Age & History Content AI & SEO Images & Videos

Why does Google enforce a strict 1MB image size limit across its developer documentation?

Martin Splitt Mar 30, 2026 ★

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 documentation.

Domain Age & History AI & SEO Images & Videos PDF & Files Web Performance Search Console

Does network compression really optimize user device storage space, or is it just a temporary fix?

Gary Illyes Mar 30, 2026 ★★

Network-level compression helps reduce data transfer time, but it does not solve the storage space problem on the user's device. Once decompressed, data occupies its full size on disk.

Domain Age & History AI & SEO JavaScript & Technical SEO

Is content disparity between mobile and desktop killing your rankings in mobile-first indexing?

Martin Splitt Mar 30, 2026 ★★★

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 navigation, or missing metadata. This disparity harms SEO ...

Domain Age & History Content Crawl & Indexing AI & SEO JavaScript & Technical SEO Links & Backlinks Mobile SEO Pagination & Structure

Why is mobile-desktop parity sabotaging your rankings in Mobile-First Indexing?

Martin Splitt Mar 30, 2026 ★★★

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 metadata differed, which impacted rankings.

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

Does page size really matter for SEO when internet connections keep getting faster?

Martin Splitt Mar 30, 2026 ★★★

Although internet connections are getting faster, the increase in webpage size is outpacing the increase in median transfer speeds for mobile connections. Size therefore remains an important factor for user experience.

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

Should You Worry if Google Keeps Crawling Your 404 Pages?

John Mueller Mar 24, 2026 ★★★

A user was concerned about seeing Googlebot continue to crawl non-existent pages (returning a 404), thinking it was wasting their crawl budget. John Mueller reassured the user by clarifying that these repeated crawls of 404 pages pose no problem, and...

Domain Age & History Content Crawl & Indexing AI & SEO JavaScript & Technical SEO

Why Is It Perfectly Normal to Temporarily Lose Rankings After an HTTPS Migration?

John Mueller Mar 24, 2026 ★★★

The owner of a 15-year-old financial website panicked after losing his top 3 Google rankings following an HTTPS migration. He had also changed his WordPress theme and updated his content, and was wondering if he should revert to HTTP. John Mueller ex...

Domain Age & History Content Crawl & Indexing HTTPS & Security AI & SEO Domain Name Redirects

Why should you be annotating your Search Console performance charts?

Daniel Waisberg Mar 24, 2026 ★★

Adding annotations to performance charts in Search Console is a recommended practice for adding context about what affects your site's search traffic. These annotations allow you to mark important events such as the launch of new features or the corr...

Content Web Performance Search Console

Does Google really expect you to annotate every chart in Search Console to prove your SEO impact?

Daniel Waisberg Mar 24, 2026 ★★

Google recommends adding annotations to performance charts in Search Console. It's an excellent way to add context about what's happening with your site and what could be affecting your organic search traffic. You can use them to mark important event...

Content AI & SEO Web Performance Search Console

How can you truly leverage Search Console data to drive meaningful SEO improvements without falling into common analytical traps?

Daniel Waisberg Mar 17, 2026 ★★

Before analyzing data in Search Console, you must first ensure you understand what you're looking at, then get a quick overview of what the data indicates via the graph, and finally deepen your analysis.

AI & SEO JavaScript & Technical SEO Search Console

Are you really maximizing all three powerful components of your Search Console performance report?

Daniel Waisberg Mar 17, 2026 ★★

The search results performance report in Search Console contains three main elements to use: data controls and filters, the graph zone, and the tables section.

Pagination & Structure Web Performance Search Console

Does Google's crawl really work through APIs with configurable parameters?

Gary Illyes Mar 12, 2026 ★★★

The crawl infrastructure operates through API endpoints where teams specify parameters such as user-agent, timeout delay, and robots.txt token to respect. Default parameters exist to simplify API calls.

Domain Age & History Crawl & Indexing AI & SEO JavaScript & Technical SEO Pagination & Structure

Why does Google really use two distinct systems to access your pages—and how does it affect your SEO?

Gary Illyes Mar 12, 2026 ★★

Crawlers process URLs in batches continuously, while fetchers process individual URLs on demand from a user. Fetchers require a person to wait for the response, unlike crawlers which operate asynchronously.

Crawl & Indexing AI & SEO Domain Name

Does Google really share cached content between its different crawlers?

Gary Illyes Mar 12, 2026 ★★★

Google uses an aggressive internal cache independent of standard HTTP mechanisms. If Google News crawled a page 10 seconds ago, web search can reuse that copy rather than making another request, thus avoiding redundant crawls.

Domain Age & History Crawl & Indexing Discover & News HTTPS & Security AI & SEO Web Performance

Why does Googlebot crawl primarily from the United States, and what does that mean for your SEO strategy?

Gary Illyes Mar 12, 2026 ★★★

Googlebot's typical IP addresses (starting with 66.249) are assigned to the United States, specifically Mountain View, California. This is the default location for Google's crawling as officially documented.

Crawl & Indexing AI & SEO PDF & Files Local Search International SEO