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.
Quick SEO Quiz

Test your SEO knowledge in 5 questions

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🕒 ~1 min 🎯 5 questions
★★★ Is it true that Googlebot really ignores all content loaded after user interaction?
Googlebot does not click, scroll, or provide geolocation data. Content that depends on user interactions (clicks, scrolls) or location will not be indexed. Only content visible in the initially render...
Jan 27, 2021 ⚡ Analysis available
★★★ Is rendered HTML really the only reference for Google indexing?
To ensure Google is indexing your content correctly, check the rendered HTML code in testing tools. If the content appears in the rendered HTML, it will be indexed. Screenshots are not used for indexi...
Jan 27, 2021 ⚡ Analysis available
★★ Can you really rely on Google's cache to check JavaScript indexing?
The cached version displayed in search results is an outdated feature that does not follow the same pipeline as modern indexing. It does not include the content rendered by JavaScript. Do not rely on ...
Jan 27, 2021 ⚡ Analysis available
★★ Does JavaScript really affect your crawl budget?
JavaScript can impact the crawl budget if the site contains many JavaScript files to fetch or if the JavaScript makes numerous API requests. However, for websites with fewer than one million pages, th...
Jan 27, 2021 ⚡ Analysis available
★★ Does Google really index the entirety of your pages or just strategic fragments?
Google does not partially index pages. The entire content of the page is indexed, but Google then evaluates which parts are most relevant for different queries. Thus, a page can rank well for certain ...
Jan 27, 2021 ⚡ Analysis available
★★ Do CSS classes labeled 'SEO' really harm your SEO rankings?
It's a myth that Googlebot treats content differently in blocks with CSS classes containing the word 'SEO' (like div class='seo'). CSS class names have no impact on the value assigned to content by Go...
Jan 27, 2021 ⚡ Analysis available
★★ Can Google's cache really skew the rendering of your JavaScript pages?
During rendering, Google extensively uses cache to ensure consistent outputs. Cacheable GET requests will be cached. If a cached resource has expired or is non-cacheable, Google will retrieve it again...
Jan 27, 2021 ⚡ Analysis available
★★ Why do live tests in Search Console produce conflicting results?
Live tests in the URL Inspection tool or the mobile test can show different results from test to test because they do not utilize the cache like the actual indexing pipeline. Timeouts can occur, leadi...
Jan 27, 2021 ⚡ Analysis available
★★★ How can you manage URL parameters to prevent indexing issues?
To avoid indexing URLs with tracking parameters, there are two solutions: use the URL parameters tool in Search Console, or set a canonical tag to the URL without parameters. If the canonical URL is c...
Jan 27, 2021 ⚡ Analysis available
★★ Could removing JavaScript links make your pages invisible to Google?
Removing navigation links in JavaScript impacts the link graph. If the pages become orphaned without other access methods, Google may have difficulty reintegrating them into the site structure. Sitema...
Jan 27, 2021 ⚡ Analysis available
★★★ Why does Google discover your pages but refuse to index them?
The status 'discovered but not indexed' means that Google is aware of the existence of the URLs but has not yet crawled them, or that after crawling, the content was deemed insufficiently relevant for...
Jan 27, 2021 ⚡ Analysis available
★★ Can a XML sitemap really trigger a targeted recrawl of your pages?
To increase a site’s crawl rate, one can update the XML sitemap file to indicate that pages have changed, which may encourage Google to recrawl them. You can also request indexing for priority pages, ...
Jan 27, 2021 ⚡ Analysis available
★★★ Why can't Googlebot see links revealed after a user clicks?
Links that only appear after a user action (click) will not be seen by Googlebot, as it does not interact with pages. However, if the links are present in the source code but simply hidden (then revea...
Jan 27, 2021 ⚡ Analysis available
★★★ Should You Really Worry About the Page Experience Badge in Search Results?
Martin Splitt explained on Twitter that the badge Google plans to display in the SERPs as part of the launch of its Page Experience and Core Web Vitals projects next May might not see the light of day...
Jan 18, 2021 ⚡ Analysis available
★★★ Why don't your Lighthouse tests reflect your real Core Web Vitals scores?
The ranking factor for Core Web Vitals is entirely based on field data and not on lab data. Tools like Lighthouse or PageSpeed Insights provide indications but do not necessarily reflect the true scor...
Jan 06, 2021 ⚡ Analysis available
★★ Should you really trust lab data to optimize your SEO performance?
Lab data is not useless: it serves as an indicator and helps identify where potential problems lie. However, they do not represent the absolute truth because performance depends on numerous factors. I...
Jan 06, 2021 ⚡ Analysis available
★★★ Are Core Web Vitals really that crucial for your Google ranking?
Core Web Vitals and Page Experience constitute a single ranking factor among hundreds of others. Their power should not be overestimated. Speed is important but not the only factor. If it were, a blan...
Jan 06, 2021 ⚡ Analysis available
★★ Should you block countries with slow connections to boost your Core Web Vitals?
You should not block access to countries with slow connections to improve the Core Web Vitals scores. This is an overly focused and risky approach. Users would use proxies/VPNs, making their connectio...
Jan 06, 2021 ⚡ Analysis available
★★★ Is it true that crawl volume is insignificant for SEO?
The amount of crawling done by Google is not an indicator of quality or ranking. A decline in the number of crawl requests (from 300K to 50K, for example) is not a problem as long as the Crawl Stats r...
Jan 06, 2021 ⚡ Analysis available
★★ Does the crawl budget really fluctuate without affecting your site's performance?
Google adjusts the crawl budget based on needs: if the pages have probably not been updated, less crawling is necessary. The volume can fluctuate naturally without impacting the performance or coverag...
Jan 06, 2021 ⚡ Analysis available
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