Sound SEO strategies aren't susceptible to the whims of Google and the other search engines and depend far less on them than might be assumed. Make sure that every page has one call-to-action, so the goal of the page is clear. If you add multiple buttons, you lose the focus of the page and your visitors won't get where you want them to go. Most of the time, you need to support your value proposition with additional information to convince buyers to take action. he no follow link tag has done a lot of good for the online world - most SEO spammers won't bother posting irrelevant links to blogs or forum posts if they know they won't get to publish a follow link. WordPress automatically assigns the no follow link attribute to all user-submitted links, and Wikipedia does the same for its reference section. If there were too many banner ads placed at the top, the page may slip down in the index.
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