What does Google say about SEO?

Does loading JavaScript from too many domains really slow down your site's first impression?

Alan Kent May 17, 2022 ★★★

If JavaScript files are loaded from different domain names, there can be a DNS lookup overhead per domain. An excessive number can slow down a user's first visit to your site.

AI & SEO JavaScript & Technical SEO Domain Name PDF & Files

How can you eliminate the inefficient JavaScript that's killing your Core Web Vitals?

Alan Kent May 17, 2022 ★★★

Poor quality JavaScript can slow down web pages. PageSpeed Insights identifies several opportunities: reduce JavaScript execution time, eliminate render-blocking resources, and avoid using document.write() which can double load time.

Domain Age & History AI & SEO JavaScript & Technical SEO PDF & Files Web Performance

Can passive listeners really boost your Core Web Vitals?

Alan Kent May 17, 2022 ★★

Not using passive listeners can slow down a site. A passive listener is a signal to the browser that your JavaScript code won't prevent scrolling, allowing the browser to scroll the page even while JavaScript is executing.

Domain Age & History AI & SEO JavaScript & Technical SEO

Why is unused JavaScript tanking your Core Web Vitals even when it never executes?

Alan Kent May 17, 2022 ★★★

Code reuse can lead to including unnecessary JavaScript. JavaScript code that is never called still needs to be downloaded and parsed by the browser, wasting resources. PageSpeed Insights identifies potentially unused JavaScript.

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

Can JavaScript tree shaking really boost your SEO performance and page speed?

Alan Kent May 17, 2022 ★★

Techniques like tree shaking can identify JavaScript that is never called on a site and remove it from downloads. However, be cautious with A/B tests where certain sections only execute for specific users.

Content AI & SEO JavaScript & Technical SEO

Should you really compress all your JavaScript files to boost your SEO performance?

Alan Kent May 17, 2022 ★★★

JavaScript files typically compress well, reducing the bytes that need to be downloaded. Although the browser uses more CPU to decompress, compression is normally beneficial overall. PageSpeed Insights identifies which files need compression.

Domain Age & History AI & SEO JavaScript & Technical SEO PDF & Files Web Performance

Does Google Really Care About Cache Headers for Your JavaScript Files?

Alan Kent May 17, 2022 ★★★

JavaScript files should be returned with appropriate cache duration headers. This helps browsers avoid checking if cached files are outdated. Use headers like cache-control and include a version number in the URL.

AI & SEO JavaScript & Technical SEO Domain Name PDF & Files Web Performance

Does PageSpeed Insights Really Reveal Critical JavaScript Problems That Are Harming Your SEO?

Alan Kent May 17, 2022 ★★★

PageSpeed Insights combines real user data and lab test results. The 'Opportunities' section lists specific recommendations, including maintaining a low number of requests and reducing JavaScript transfer size.

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

Is HTTP/2 making JavaScript file concatenation obsolete for SEO?

Alan Kent May 17, 2022 ★★

HTTP/2 support on your site can improve performance without requiring you to join files, since HTTP/2 enhances the efficiency of downloading multiple small files.

HTTPS & Security JavaScript & Technical SEO PDF & Files Web Performance Search Console

Should you duplicate your content across multiple sites to maximize SEO visibility?

John Mueller May 16, 2022 ★★★

A question was asked to John Mueller during a webmaster hangout about duplicate content, namely: "what happens if you yourself publish multiple identical (or similar) content pieces on different sites?" In this case, there cannot be plagiarism. John'...

Domain Age & History Content Discover & News AI & SEO JavaScript & Technical SEO Links & Backlinks

Should We Really Worry About Negative SEO Attacks Through Spammy Links to 404 Pages?

John Mueller May 16, 2022 ★★★

In the same hangout as above, someone asked John Mueller how to handle suspected Negative SEO attacks with numerous links from spammy sites pointing to non-existent URLs on the site, thereby generating a very large number of 404 errors. John responde...

Domain Age & History Content AI & SEO JavaScript & Technical SEO Links & Backlinks Domain Name Penalties & Spam

Is Google really sending more traffic to websites each year?

John Mueller May 12, 2022 ★★

Year after year, Google sends more and more traffic to open web sites. This trend shows that there are growing opportunities for site owners.

AI & SEO

How long does it really take for your data to show up in Search Console after verification?

John Mueller May 12, 2022 ★★

After verification in Search Console, expect a few days before data starts appearing. This is why Google recommends making this verification an early priority step.

AI & SEO Search Console

Does Google really only index a single video per page?

Dikla Cohen May 12, 2022 ★★★

Google only indexes one video per page, even if there are multiple videos on the page. This is an important limitation to consider when creating pages containing videos.

Domain Age & History Crawl & Indexing

Is Google really indexing all your pages, or should you accept partial coverage?

John Mueller May 12, 2022 ★★★

Google does not guarantee the indexation of all pages on a site. However, it becomes easier to identify potential technical issues when you know that certain pages are no longer being indexed.

Domain Age & History Content Crawl & Indexing AI & SEO

How does Google really index videos embedded on your web pages?

Dikla Cohen May 12, 2022 ★★

Google discovers videos on the web just like any other web page. The first step is indexing the landing page where the video appears, then Google must recognize that there is a well-positioned video on the page.

Domain Age & History Crawl & Indexing

Does Google Really Ignore Your Canonical Tag?

John Mueller May 12, 2022 ★★★

A page may have a preferred canonical URL declared, but sometimes Google won't select it. The URL Inspection API allows you to test both URLs and quickly verify the difference.

Domain Age & History Crawl & Indexing AI & SEO JavaScript & Technical SEO Domain Name Search Console

Is Page Experience really the ranking factor Google claims it to be?

Dikla Cohen May 12, 2022 ★★

The Page Experience update was first rolled out on mobile, then recently on desktop search. This update combines signals that measure user experience: speed, interactivity, and stability (Core Web Vitals).

Domain Age & History Mobile SEO Pagination & Structure Web Performance

Should you always validate fixes in Search Console to speed up re-crawling?

Dikla Cohen May 12, 2022 ★★

After fixing video indexing issues, you can use the 'validate fix' button in Search Console to notify Google. This will initiate a re-crawl of the URLs affected by the problem.

Crawl & Indexing Domain Name Search Console

Why are more than 15% of Google searches completely new every day, and how should this reshape your SEO strategy?

John Mueller May 12, 2022 ★★★

Over 15% of all search queries submitted every day on Google Search are completely brand new. This metric has remained stable over many years, meaning that every single day there are opportunities for new websites to be discovered.

Pagination & Structure