{"id":196821,"date":"2024-11-14T07:09:46","date_gmt":"2024-11-14T07:09:46","guid":{"rendered":"https:\/\/www.similarweb.com\/blog\/?p=196821"},"modified":"2025-03-20T14:04:42","modified_gmt":"2025-03-20T14:04:42","slug":"noindex-tags","status":"publish","type":"post","link":"https:\/\/www.similarweb.com\/blog\/marketing\/seo\/noindex-tags\/","title":{"rendered":"What Are Noindex Tags, and How Do They Affect Your SEO?"},"content":{"rendered":"

The noindex meta tag gives website owners precise control over which pages appear in search results. By strategically using this directive, you can keep search engines from indexing pages that don’t serve your visitors – like duplicate content, administrative sections, or temporary landing pages.<\/p>\n

In this guide, we’ll explore when and how to implement noindex tags to strengthen your site’s search presence and help search engines focus on your most valuable content.<\/p>\n

What is a noindex tag?<\/h2>\n

A noindex tag tells search engines not to include a specific webpage in their search results. When you add this HTML directive to a page, search engines will still find and scan the content, but they won’t display it to users in search results – even if other websites link to that page.<\/p>\n

\"what<\/p>\n

Unlike robots.txt<\/a>, which blocks search engines from accessing pages entirely, noindex tags offer more precise control over your content’s visibility in search results. You can implement noindex tags in two ways: through HTML meta tags in your page’s code or via HTTP response headers.<\/p>\n

Here\u2019s what a noindex HTML tag looks like:<\/p>\n

<meta name=\"robots\" content=\"noindex\"><\/code><\/p>\n

For non-HTML resources, you use the X-Robots-Tag HTTP header:<\/p>\n

<x-robots-tag: noindex><\/code><\/p>\n

Understanding how noindex tags work is essential for ensuring that they are used correctly. Getting it wrong could result in important pages not being indexed.<\/p>\n

Why is a noindex tag important in SEO?<\/h2>\n

These are the top reasons why noindex tags can help your website\u2019s SEO efforts:<\/p>\n

\"noindex<\/p>\n

Quality control<\/h3>\n

Noindex tags help maintain your site’s authority by removing low-quality or shallow content from search results. You can hide outdated blog posts or irrelevant news articles that no longer align with your brand message. While deleting pages and implementing 301 redirects is typically the best practice, noindex tags provide a practical alternative when content removal isn’t feasible.<\/p>\n

Managing crawl budget<\/h3>\n

By implementing noindex tags, you help search engines focus their resources on your most valuable pages. This is especially important for large websites where complete crawling might be impractical. The strategy preserves server resources and ensures search engines prioritize indexing your most critical content rather than spending time on less important pages.<\/p>\n

Avoiding duplicate content<\/h3>\n

Noindex tags work alongside canonical tags to effectively manage similar content across your site. This prevents potential SEO penalties from duplicate pages and helps search engines understand which version of similar content to display in results. This is particularly useful for managing product pages that may have similar content but different URLs, ensuring only the primary version appears in search results.<\/p>\n

When should I use a noindex meta tag?<\/h2>\n

Noindex tags are valuable tools for managing both individual pages and entire sections of your website in search results. Here are the key scenarios where implementing noindex tags makes sense:<\/p>\n

\"when<\/p>\n

1. Thank you pages<\/h3>\n

Thank you pages typically contain no meaningful content for search users. Adding noindex tags to these pages prevents them from appearing in search results, where they would only create unnecessary clutter.<\/p>\n

2. Internal search results<\/h3>\n

Your website’s search results pages can generate countless low-value URLs. Applying noindex tags to these pages prevents search engines from indexing automated results pages, which helps preserve your crawl budget and avoid duplicate content issues.<\/p>\n

3. Private content<\/h3>\n

For membership areas, subscriber-only content, or other restricted sections, noindex tags help maintain privacy while keeping search results clean. This ensures private content remains hidden from public search results while still being accessible to authorized users.<\/p>\n

4. Author pages for sites with only 1-2 authors<\/h3>\n

For websites with only one or two contributors, author pages often mirror the content of your homepage. In these cases, using noindex prevents duplicate content issues. However, for multi-author sites, keeping author pages indexed can provide value through unique biographical content and post collections.<\/p>\n

5. Tag pages<\/h3>\n

When tag pages consist primarily of link lists with minimal unique content (such as posts tagged “Greek mythology”), they may not provide value to search users. Adding noindex tags to thin tag pages helps maintain your site’s overall search quality and prevents potential SEO issues.<\/p>\n

6. Under construction or maintenance pages<\/h3>\n

Temporary pages, maintenance notices, and in-progress content should be kept out of search results. Using noindex tags on these pages ensures visitors only find your complete, polished content while preserving your crawl budget for active pages.<\/p>\n

Should every \u201dnoindex\u201d page be \u2018nofollow\u2019 too?<\/h2>\n

No – these directives serve different purposes. While noindex prevents a page from appearing in search results, nofollow controls whether search engines should follow the page’s links. You can use either directive independently based on your needs.<\/p>\n

When should you use both directives?<\/h3>\n

For pages with no meaningful content (like thank-you pages), using both noindex and nofollow makes sense:<\/p>\n

<meta name=\"robots\" content=\"noindex, nofollow\"><\/code><\/p>\n

When should you use only noindex?<\/h3>\n

If your page contains valuable outbound links that support your SEO strategy, use noindex alone:<\/p>\n

<meta name=\"robots\" content=\"noindex, follow\"><\/code><\/p>\n

How to implement noindex tags<\/h2>\n

It greatly depends on your CMS, and it’s a choice between meta robots noindex. Here are two common approaches to adding a noindex mark to a page:<\/p>\n

1. WordPress implementation (Using Yoast SEO)<\/h3>\n

For individual pages:<\/b><\/p>\n

    \n
  1. Install and activate Yoast SEO<\/li>\n
  2. Open your target page<\/li>\n
  3. Find the Yoast SEO meta box<\/li>\n
  4. Click ‘Advanced’<\/li>\n
  5. Select ‘No’ under ‘Allow search engines to show this Page in search results?’<\/li>\n<\/ol>\n

    For Taxonomies and Archives:<\/b><\/p>\n

    Navigate to SEO > Search Appearance<\/strong> in your dashboard. Under the appropriate tab (Taxonomies or Archives), you can control indexing for categories, tags, and author pages.<\/p>\n

    2. How to set up a robots.txt noindex tag<\/h3>\n

    The other method of marking a page noindex is by using a robots.txt file. This is how you can do it:<\/p>\n

    Blocking a Single Page:<\/b><\/p>\n