Websites consisting mostly of affiliate links have previously held a negative reputation for underdelivering quality content. In 2005 there were active changes made by Google, where certain websites were labeled as "thin affiliates".[34] Such websites were either removed from Google's index or were relocated within the results page (i.e., moved from the top-most results to a lower position). To avoid this categorization, affiliate marketer webmasters must create quality content on their websites that distinguishes their work from the work of spammers or banner farms, which only contain links leading to merchant sites.

Leadpages claims that its affiliate program is not exclusively for affiliate marketers, which is true, but the narrow focus of this niche means that only professionals affiliate marketers will ever be able to earn significant income from the program. Leadpages’s affiliate program does offer quite a lot of different options (webinars, videos, blog posts, free marketing courses, etc.) to send referrals to, which can lead to higher conversion rates if done correctly.
Affiliate marketing is commonly confused with referral marketing, as both forms of marketing use third parties to drive sales to the retailer. The two forms of marketing are differentiated, however, in how they drive sales, where affiliate marketing relies purely on financial motivations, while referral marketing relies more on trust and personal relationships.[citation needed]
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