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.
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🕒 ~1 min 🎯 5 questions
★★ Does Google really ignore POST requests during JavaScript rendering?
Google caches resources loaded via GET requests during JavaScript rendering but does not cache POST request responses. This can affect rendering performance and indexing consistency....
Nov 25, 2020 ⚡ Analysis available
★★★ How can you effectively test JavaScript rendering before taking your site live?
Before launching a site that uses JavaScript for rendering, test it with the Mobile-Friendly Test and check the rendered HTML in Search Console to ensure that Googlebot can see all the expected conten...
Nov 11, 2020 ⚡ Analysis available
★★★ Why does a website redesign cause rank drops even without content changes?
If the site's structure, content, or URLs change during a redesign, it will affect ranking because Google will need to re-gather signals. A strictly identical copy (same URLs, same content) will have ...
Nov 11, 2020 ⚡ Analysis available
★★★ Hreflang: Why does Google still stress this tag for multilingual content?
For locale-adapted content, set up hreflang to indicate to Google all available language versions (EN-US, FR-FR, DE-DE, etc.) so it understands and groups these variants as a single piece of content....
Nov 11, 2020 ⚡ Analysis available
★★★ How can you make your hyper-local content URLs discoverable without sacrificing traffic?
For hyper-localized content by city, ensure that each version has a unique URL and that these URLs are discoverable via a sitemap or a navigation structure with clear internal links....
Nov 11, 2020 ⚡ Analysis available
★★★ Can user personalization trigger a penalty for cloaking?
Displaying personalized content to users (e.g., favorite restaurants at the top of the list) based on their preferences is not considered cloaking, as long as the content meets user expectations and i...
Nov 11, 2020 ⚡ Analysis available
★★★ Are Core Web Vitals really measured on users or bots?
Core Web Vitals are measured from real user data (Chrome UX Report), not from rendered versions for bots. Therefore, dynamic rendering does not impact these metrics....
Nov 11, 2020 ⚡ Analysis available
★★★ Why isn’t schema markup enough to ensure rich snippets appear?
Properly implementing schema markup and meeting all requirements makes you eligible for rich snippets, but does not guarantee their display. The algorithm decides on a case-by-case basis based on the ...
Nov 11, 2020 ⚡ Analysis available
★★★ Is dynamic rendering really dead for SEO?
Dynamic rendering is considered a stopgap solution. For medium to long-term investments, prioritize SSR with hydration that offers the best of both worlds....
Nov 11, 2020 ⚡ Analysis available
★★ How does the JavaScript main thread block interactivity on your pages according to Google?
For JavaScript hydration, minimize the time spent on the main thread as much as possible to avoid blocking interactivity and causing a choppy experience for users....
Nov 11, 2020 ⚡ Analysis available
★★★ Can Google really overlook your critical tags in the battle between initial and rendered HTML?
Inconsistencies between initial HTML and rendered HTML (canonical, noindex, title) create undefined behavior. Google can unpredictably choose one version or the other. This situation must be avoided....
Nov 11, 2020 ⚡ Analysis available
★★ Is it true that Googlebot doesn't click on buttons on your site?
Google Search doesn't click on buttons or interactive elements during crawling. A non-functional 'Add to Cart' button in SSR therefore has no negative impact on SEO....
Nov 11, 2020 ⚡ Analysis available
★★ Should you prioritize JavaScript performance for your real users over optimization for Googlebot?
If your JavaScript takes excessive time on a standard device (smartphone, computer), optimize first for your real users. User performance issues arise before rendering problems for Google....
Nov 11, 2020 ⚡ Analysis available
★★ Are web workers truly compatible with Google's JavaScript rendering?
Although web workers are theoretically beneficial for parallelizing JavaScript work, they require very careful testing as many use cases still fail in Google rendering....
Nov 11, 2020 ⚡ Analysis available
★★★ Why has testing JavaScript rendering before launch become essential for Google indexing?
Before launching a site with JavaScript rendering, you must test with the mobile optimization test and verify the rendered HTML in Search Console to ensure that the expected content is present....
Nov 11, 2020 ⚡ Analysis available
★★★ Does migrating to JavaScript really affect SEO rankings?
If the structure, content, or URLs change during a migration to JavaScript, it will impact rankings since Google will need to gather signals again. An exact copy without changes to URLs will not neces...
Nov 11, 2020 ⚡ Analysis available
★★★ Does Googlebot really see every localized version of your pages?
Googlebot does not see all the page versions that users see because it does not crawl from every city in the world. If Google does not see the localized content, it will not know it exists....
Nov 11, 2020 ⚡ Analysis available
★★★ Does hreflang really group your multilingual content in Google's eyes?
For localized content, you need to set up hreflang to indicate the available versions in different languages, so that Google can understand and group them as a single piece of content with linguistic ...
Nov 11, 2020 ⚡ Analysis available
★★★ How can you structure your URLs to enhance the discoverability of hyper-local content?
For hyper-local content per city, ensure you have discoverable URLs through the sitemap or a structure with links in the menus, allowing Google to understand where the content is situated within the s...
Nov 11, 2020 ⚡ Analysis available
★★★ Could personalizing content for your users lead to a cloaking penalty?
Showing personalized content to users based on their preferences (cookies) while serving a pre-rendered version to Googlebot is not cloaking, as long as the personalization remains logical and expecte...
Nov 11, 2020 ⚡ Analysis available
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