What does Google say about SEO? /
Web performance has become an official ranking factor in Google's algorithm, particularly since the introduction of Core Web Vitals in 2020. This category compiles all official Google statements regarding loading speed optimization, performance metrics, and their impact on organic search rankings. SEO professionals will find Google's positions on key indicators such as Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), First Input Delay (FID), and Interaction to Next Paint (INP). Google regularly communicates about the importance of loading times, Time to First Byte (TTFB), cache optimization, and techniques like lazy loading. These official declarations help understand how Google truly measures user experience, which performance thresholds to prioritize, and how PageSpeed Insights integrates into a site's overall evaluation. For search practitioners, following Google's official recommendations on web performance is crucial to maintain or improve search rankings while delivering an optimal user experience that enhances conversion rates and visitor retention. Understanding Google's evolving stance on speed metrics enables webmasters to align technical optimizations with actual ranking signals rather than assumptions or outdated practices.
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★★ Why don't all your pages show up in the Core Web Vitals report?
If a page does not have a minimum amount of reporting data for one of the Core Web Vitals metrics, it will be omitted from the report. Therefore, you probably won't see all your pages in this report....
Daniel Waisberg Oct 06, 2020
★★★ Do Cookie Banners Really Hurt Your CLS Score and Core Web Vitals?
We know that the CLS (Cumulative Layout Shift) metric, which measures how a page's display changes as it is rendered in the browser window, is one of the criteria considered by the "Core Web Vitals" t...
Martin Splitt Oct 05, 2020
★★ How can you leverage the new news filter in Search Console to boost your performance?
A new filter for news has been added to the Search Console performance report. This filter allows users to gain insights into the performance of news content in the Google Search News tab....
John Mueller Sep 29, 2020
★★★ Should you really ditch AMP if your site is already fast?
If your original site is faster than the AMP version, and speed is your only reason for using AMP, then AMP is not necessary. In the future, fast non-AMP pages with good Core Web Vitals will also be e...
John Mueller Sep 25, 2020
★★ Is it true that Search Console only analyzes a portion of your site’s pages?
The aggregated reports in Search Console (mobile usability, structured data, speed) are based on a sample of site pages, not on all indexed pages. The size of this sample may decrease without indicati...
John Mueller Sep 25, 2020
★★★ Why does Google refuse to disclose how it detects spam?
Google cannot disclose details on spam detection because that would allow spammers to use this information to manipulate the system. This information is deliberately kept confidential to protect the q...
Martin Splitt Sep 23, 2020
★★★ Should you stop tweeting at Google and start using the 'Submit Feedback' button in Search Console?
Google strongly encourages the use of the 'Submit Feedback' button in Search Console instead of Twitter. Feedback through this channel provides quantitative data that is genuinely taken into account t...
Martin Splitt Sep 23, 2020
★★★ Should you really prioritize HTTPS and loading speed to rank on Google?
SEO technical priorities include HTTPS and site speed. These recommendations stem from a 'user-first' approach. Google regularly changes its criteria, but these technical elements remain important as ...
Martin Splitt Sep 23, 2020
★★★ Should You Focus Exclusively on Core Web Vitals to Optimize Web Performance for SEO?
John Mueller indicated on Twitter that "webperf" (Web performance, page load times, etc.) was often a complex topic, but that for SEO, Google stuck to Core Web Vitals and that the 3 criteria of these ...
John Mueller Sep 21, 2020
★★ Is third-party JavaScript slowing down your site: Does Google really hold you accountable for ranking?
If a third-party JavaScript (e.g., advertising) significantly slows down a page, Google will measure this slowdown when evaluating speed for ranking, without making a distinction between site code or ...
John Mueller Sep 14, 2020
★★ Is it true that Google really ignores your tracking scripts during rendering?
Google ignores certain scripts during rendering if they are not necessary for displaying the page. Google Analytics and other common analytics scripts are automatically detected and skipped to speed u...
John Mueller Sep 14, 2020
★★★ Does the alt attribute still play a role in web page SEO?
The alt attribute should accurately describe the content of the image (e.g., transcribe a quote if the image is a quote). Google uses the alt to understand the image for Image Search, not for traditio...
John Mueller Sep 14, 2020
★★ Can switching your WordPress theme really sabotage your SEO?
Changing a site's theme can have an SEO impact not through speed, but through the alteration of internal linking and the presentation of content. For example, a central image changing to a thumbnail c...
John Mueller Sep 14, 2020
★★ Is it true that a JavaScript migration can ruin your indexing due to cache issues?
During a domain migration of a client-side JavaScript site, Google may struggle to render pages correctly if JavaScript resources are cached from the old URL. This can lead to rendering failures and i...
John Mueller Sep 14, 2020
★★★ Does page speed really have such a minimal impact on Google rankings?
Page speed is considered for ranking only on mobile and is a relatively gentle factor. Even a significant score change (e.g., dropping from 100 to 20/100) generally won’t cause a notable drop in searc...
John Mueller Sep 14, 2020
★★★ Do Core Web Vitals Really Matter for Google Rankings?
Gary Illyes explained on Reddit that the "Core Web Vitals (CWV)" project, which was set to launch in 2021, would not be a heavily weighted criterion in the algorithm: "Google strives to present the hi...
Gary Illyes Sep 09, 2020
★★ Why are crawl stats a completely useless indicator for assessing the performance of your content?
To determine if content is underperforming, check the Performance Report in Search Console rather than the crawl stats. If you're getting a lot of impressions but few clicks, the content may need to b...
Martin Splitt Sep 09, 2020
★★ Why do Core Web Vitals tools yield conflicting results?
The differences in results across Core Web Vitals measurement tools may stem from the distinction between lab data and field data. The PageSpeed Insights tool, for instance, uses field data, which can...
Google Sep 03, 2020
★★ Why Did Google Remove Regex from Search Console Before Even Launching It?
A few weeks ago, the help documentation for the Search Console "Performance" report indicated that it was possible to use regex (regular expressions to filter data). Then John Mueller and Gary Illyes ...
John Mueller Aug 31, 2020
★★ How long does it really take to transfer SEO signals during a migration?
The speed of signal transfer depends on the site's crawl budget, crawl frequency, and the number of external links. This can take anywhere from one day to several weeks depending on these factors. Sit...
Martin Splitt Aug 27, 2020
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