Google Quality Impact of Using NoIndex on Large Part of a Site

Many SEOs use the noindex page for a variety of reasons, such as for duplicate landing pages for tracking, for crawl budget purposes and for content that site owners are concerned is below a quality threshold.  But does Google do anything with those noindexed pages, since they are still crawled by Googlebot, for assessing the quality of the site?  And does it make a difference if a large portion of a site is noindexed?

The question came up in a recent Google Webmaster Help forum post, and Aaseesh Marina from Google commented on the issue from the Google quality site of the issue when 50% of a site’s pages are noindexed.

Using noindex tag on x% of pages on your site doesn’t make the remaining pages bad. Google ranks each page on separately based on relevance, and other factors so you don’t have to worry about any thin content penalty.

So noindexing a mass number of pages won’t affect the quality of the indexed portion of the site, provided the noindex has been processed if those pages were recently changed to noindex.  That said, if the remaining pages on the site that are indexed also have quality issues, then the site can still be impacted by both Panda and other quality algos Google uses in the search results.

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Jennifer Slegg

Founder & Editor at The SEM Post

Jennifer Slegg is a longtime speaker and expert in search engine marketing, working in the industry for almost 20 years. When she isn't sitting at her desk writing and working, she can be found grabbing a latte at her local Starbucks or planning her next trip to Disneyland.She regularly speaks at Pubcon, SMX, State of Search, Brighton SEO and more, and has been presenting at conferences for over a decade.

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