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The McAfee SiteAdvisor, later renamed as the McAfee WebAdvisor, is a service that reports on the safety of web sites by crawling the web and testing the sites it finds for malware and spam. A browser extension can show these ratings on hyperlinks such as on web search results. [1] [2] Users could formerly submit reviews of sites. [3]
Since some Web search engines base the importance of sites on the number of different sites linking to them, referrer-log spam may increase the search engine rankings of the spammer's sites. Also, site administrators who notice the referrer log entries in their logs may follow the link back to the spammer's referrer page.
DuckDuckGo is an American software company focused on online privacy, whose flagship product is a search engine of the same name. Founded by Gabriel Weinberg in 2008, its later products include browser extensions [6] and a custom DuckDuckGo web browser. [7]
Norton Safe Web has drawn some ire among Windows Live! Plus users as it shows that the Windows Live! Plus website contains malware. [7] Also, Norton Safe Web blocks numerous sites with third party extensions such as Mailgun and New Relic. [citation needed] The verification of site ownership keeps failing so site owners can't fix the issue.
In extreme cases, spam pages that gain a following can eventually be used, for example, by foreign actors seeking to sow discord ahead of elections, according to experts who study inauthentic ...
Many web spam pages are created only with the intention of misleading search engines. These pages, chiefly created for commercial reasons, use various techniques to achieve higher-than-deserved rankings in the search engines' result pages. While human experts can easily identify spam, search engines are still being improved daily in order to do ...
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Search engine optimization professionals started using the nofollow attribute to control the flow of PageRank within a website, but Google has since corrected this error, and any link with a nofollow attribute decreases the PageRank that the page can pass on. This practice is known as "PageRank sculpting".