For most of us, traffic is the driving force behind our blogs and motivation to blog. Therefore, it may seem silly to think that you would want to prevent a lot of potential traffic from Google’s image search.

However, some bloggers like to post personal pictures, or custom make their pictures and don’t want others to take them when possible. If you fit into this category, you can easily prevent Google from indexing your pictures by placing the following code into your blog’s header file above the < /head > tag:

<meta name="robots" content="noimageindex">

If your site has a problem with people taking your content (including the pictures), then there is a chance Google will still index them when they index that person’s website. Another route you can take is to place images into a folder then add a disallow to your Robots.txt file. For WordPress users, this is fairly easy as by default, we already have pictures in either our Images folder of our theme, or the uploads folder (unless you’ve assigned a custom path for your images). You can add something like the following to your Robots.txt file:

User-agent: *
Disallow: /images/

or

User-agent: *
Disallow: /uploads/

[via]

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Kyle Eslick

Kyle Eslick is the founder and primary author of WordPress Hacks. You can learn more about him at KyleEslick.com or you can follow his personal tweets here.