A page’s non-indexability status refers to any technical signal that prevents a search engine from including it in the search results. While sometimes intentional, an incorrect non-indexability status on a valuable page can make it completely invisible to organic search, effectively cutting it off from all potential traffic. Understanding the different reasons why a page might be non-indexable is a fundamental skill for diagnosing and fixing critical SEO issues.
Think of your website as a collection of documents you’re submitting to a library. A non-indexable status is like putting a “Do Not File” sticker on a document. This is useful for drafts or administrative notes, but if that sticker ends up on your most important chapter, it will never make it to the public shelves. For a broader look at this topic, see our main guide on indexability.
Key Reasons for a Non-Indexable Status
There are several technical reasons why a page might be considered non-indexable by search engines. Each one is a different type of signal that needs to be investigated. For a deep dive, Google’s documentation on blocking indexing is an essential read.
- Noindex Directive: A direct instruction to search engines not to include the page in their index.
- Non-Indexable Canonical: The page has a canonical tag pointing to a different URL.
- Blocked by robots.txt: The page is disallowed in your site’s robots.txt file.
- 4xx or 5xx HTTP Status: The page returns an error code or is part of a redirect chain.
A Step-by-Step Guide to Diagnosing and Fixing the Issue
The goal is to ensure that every valuable page on your site is indexable. For more on this, check out this guide to robots.txt from Moz.
- Crawl Your Site: Use an SEO audit tool like Creeper to perform a full crawl. The tool will identify the indexability status of every page.
- Filter for Non-Indexable Pages: In your crawl report, filter for all pages that are marked as non-indexable.
- Identify the Reason: The report will specify the reason for the non-indexable status (e.g., ‘noindex tag’, ‘canonicalized to another URL’).
- Take Corrective Action: Based on the reason, take the appropriate action. This could mean removing a `noindex` tag, correcting a canonical URL, or updating your robots.txt file.
For more on this topic, see our guide on on-page SEO.
Frequently Asked Questions
What is the most common reason for a page to be non-indexable?
The most common reason is the presence of a `noindex` directive, either in a robots meta tag in the HTML “ or in the X-Robots-Tag of the HTTP header. This is a direct instruction to search engines not to include the page in their index.
What is the difference between ‘noindex’ and ‘nofollow’?
The `noindex` directive tells search engines not to include the page in their index. The `nofollow` directive tells search engines not to follow the links on a page. They are often used together, but they control two different things.
How can I check the indexability status of a specific URL?
The best tool for this is the URL Inspection tool in Google Search Console. It provides a definitive answer on whether Google considers a page to be indexable and will report on any issues (like ‘noindex’ tags or canonical conflicts) that are preventing it from being indexed.
Is your content invisible? Start your Creeper audit today to find and fix all non-indexability issues.