Publishers want control over the types of ads that can run on their sites, no matter if it’s to improve relevancy with their content or to keep competitors from advertising on their pages.

On Tuesday, January 7, Google announced that it is expanding the capability for publishers to opt out of certain ad categories and has increased the number of categories and subcategories from 250 to 70.

Because there’s more detailed subcategories, publishers are given a greater refinement in blocking ads on their sites.

For example, instead of blocking the category “Apparel,” you can now pick any of the new subcategories, “Sunglasses,” “Handbags” or “Watches.”

This feature is available in all AdSense markets, and supports, in addition to English, Chinese (simplified), Dutch, Polish, Russian and Turkish.

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