- Jan 17, 2015
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You are approaching it from a wrong position.I can’t imagine the effect lasting long after stopping a ctr campaign unless the page is truly worthy of being in that spot.
When you do a CTR Boost is because you think that your page is better than the rest user-wise not Google-wise for certain keyword. Google sometimes can be extremely stupid identifying this (it's a bot, we cannot make a silk purse out of a pig's ear) and do shit-tests with their sandbox that you may fail at some point unnecesarily (for example setting a page that is not adequately optimized from your site instead of the right optimized page for such query).
CTR boosting is like a physiotherapist for your site. If you are disabled, you are not going to run out of the blue.
Read this to understand it better.