Hiding noscript tags from search engines

Question

Hiding noscript tags from search engines

808 Views Asked by George At 04 April 2025 at 16:50

I was looking for information on hiding noscript from search engines, this way help information on enabling JavaScript wouldn't end up added to the keyword density...

I’m thinking of using a different approach and wanted to get thoughts on it?

Looking at logs I noticed both google and bing have the word bot in it, so what about using an if statement using something asp to look at the user agent for the word bot in it and if it’s not there then continue to write the noscript tag?

This should eliminate it from both google and bing search results and would leave it available for other users who might have JavaScript disabled...

Original Q&A

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**Amarnath Balasubramanian** · Answer 1

I don't think using is a good idea. I've heard that it is ineffective when the client is behind a JavaScript-blocking firewall - if the client's browser has JavaScript enabled the tag won't activate, because, as far as the browser's concerned, JavaScript is fully operable within the document...

A better method IMO, is to have all would-be 'noscript' content hidden by JavaScript.

Here's a very basic example:

<body>

    <script>
        document.body.className += ' js-enabled';
    </script>

    <div id="noscript">
        some content
    </div>

And within your StyleSheet:

body.js-enabled #noscript { display: none; }

More info:

Replacing with accessible, unobtrusive DOM/JavaScript

Reasons to avoid NOSCRIPT

**Jukka K. Korpela** · Answer 2

There is no need hide noscript tags from search engines. As far as we can know, they ignore them. They process the content of noscript elements as if the tags were not there. I presume you would want to hide that content.

There is no reasonable way to do that. Trying to send different content to search engines than to browsers is one of the main tricks that search engines try to detect, and they may punish for it.

The way to avoid having nonsensical content indexed as part of the page is to avoid including nonsensical content. There is normally no point in telling users to enable JavaScript. If the page is really an application that won’t work at all without JavaScript, then saying this inside noscript is OK, and when formulated properly, it does not pollute search engine indexes but provides useful additional content.

Hiding noscript tags from search engines

There are 2 best solutions below

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