John Mueller

★★★ Is it true that the ES-419 code is a critical error for hreflang?

The ES-419 code for targeting Latin America in hreflang is an error found in certain Google pages themselves. This code is not valid, and hreflang links using ES-419 are ignored. Instead, each country...

Nov 12, 2021 ⚡ Analysis available

★★ Is it really necessary to manage over 10,000 links per page to optimize your SEO?

Google has a practical limit on the number of links it can process per page, likely well beyond 10,000 links. However, having thousands of internal links on each page makes it very difficult for Googl...

Nov 12, 2021 ⚡ Analysis available

★★★ How could bold text influence your SEO strategy?

Boldening important words or phrases in content does indeed assist Google in better understanding the main topic of the page. It's a clear signal indicating what the author considers essential, and Go...

Nov 12, 2021 ⚡ Analysis available

★★★ Why is a 500-millisecond response time essential for effective SEO crawling?

A server response time of 500 milliseconds is generally good for crawling medium-sized sites. For very large sites with millions of URLs, an even faster response time is recommended to allow for effic...

Nov 12, 2021 ⚡ Analysis available

★★ Why does Google keep crawling old mobile subdomains?

After redirecting a mobile subdomain (m-dot) to the main domain, Google might continue to crawl the old mobile domain for a very long time, sometimes for several years. This is normal and should not b...

Nov 12, 2021 ⚡ Analysis available

★★★ How do you choose between no-index and canonical for an effective SEO strategy?

The choice between no-index and canonical depends on the intent: use no-index if you absolutely want to prevent the content from appearing in search results, and canonical if you want to consolidate t...

Nov 12, 2021 ⚡ Analysis available

★★★ How does Googlebot's geographic limitations affect content indexing?

Google can only index the content visible to Googlebot, which typically crawls from the United States and without cookies. If content is displayed solely through geographic personalization or cookies,...

Nov 12, 2021 ⚡ Analysis available

★★★ Why should you avoid using canonicals between language versions?

The canonical tag should never point from one language version to another (for example, from the French page to the English page) because these are fundamentally different pages. Each language version...

Nov 12, 2021 ⚡ Analysis available

★★★ Should you really fix all duplicate content on your website?

John Mueller explained on Reddit that, when managing duplicate content, fixing a few pages here and there doesn't serve much purpose. However, if you can reduce the number of duplicate content by a fa...

Nov 08, 2021 ⚡ Analysis available

★★★ Why Won't Google Display Your Rich Results Even with Perfect Markup?

John Mueller explained during a webmaster hangout that Google may decide not to display rich results (or rich snippets) in a SERP for a given website if the algorithm determines that the site is not o...

Nov 08, 2021 ⚡ Analysis available

★★★ Should You Really Fear the Link Disavow File in SEO?

John Mueller reminded during a hangout that Google's link disavow tool does not in any way lead to a penalty, and that it is in no way an indication of bad practices implemented by the site in the pas...

Nov 08, 2021 ⚡ Analysis available

★★★ Why do core updates prioritize the overall quality of websites?

Core updates primarily concern the relevance and overall quality of a site, not technical issues or spam. Spammy links generally do not affect performance during a core update. Significant changes oft...

Nov 07, 2021 ⚡ Analysis available

★★★ Is it true that Google can index JavaScript content once it's rendered?

If a page loaded and rendered in the browser displays unique content via JavaScript, it is considered a unique page even if generated by JavaScript. Google processes JavaScript, and the URL Inspection...

Nov 07, 2021 ⚡ Analysis available

★★ Does the number of products really influence category SEO?

The number of indexable products in a category is not a ranking factor. A category page with 10 products, where only 2 are indexable, is not considered low quality if the information is present on the...

Nov 07, 2021 ⚡ Analysis available

★★ How does Google’s support for WebP images transform SEO strategies?

Google's image processing systems support images in the WebP format. The same system is utilized across all areas of Google Search, including Discover and Google News....

Nov 07, 2021 ⚡ Analysis available

★★ How do dedicated landing pages boost Google Images?

For image search, having a dedicated landing page with the image prominently displayed and contextual information is very beneficial. Google recognizes these pages as effective landing pages for image...

Nov 07, 2021 ⚡ Analysis available

★★ What should you do with your canonicals when a product is out of stock?

It is possible to change the canonical tag of a canonicalized product variation to another variation when the canonical version is out of stock. There will be latency since Google prefers to maintain ...

Nov 07, 2021 ⚡ Analysis available

★★ Why should site migrations be one-way?

<p>When migrating a site, it's advisable to either proceed incrementally in the right direction or make a complete change all at once. Back-and-forth migrations (moving to B and then returning to A) c...

Nov 07, 2021 ⚡ Analysis available

★★ Does Google Really Accept 301s with No-Cache Cache-Control Headers?

Google accepts 301 redirects with no-cache cache-control headers. If it's a 301, it is treated as such, regardless of additional cache headers. Google's crawling system works differently from browsers...

Nov 07, 2021 ⚡ Analysis available

★★★ Is cloaking really a concern for SEOs?

Showing less content to search engines than to users doesn't pose a cloaking issue. The problem arises when you show search engines a rich page while presenting something different or minimal to users...

Nov 07, 2021 ⚡ Analysis available