: What is the difference between Disallow and Allow? I had 2 questions in my mind: what is the difference between Allow and Disallow? which one should I use to allow Google bot for AdSense?

@Bryan171

The difference is Allow is not defined in specifications of robots.txt.

However, several web crawlers understand Allow like Disallow. It's the case for Mediapartners-Google bot. Therefore, you can use lines you want but if you want to respect specifications, choose the first ones:

User-agent: Mediapartners-Google
Disallow:

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