It is a method of using payment to require other websites to provide links to one's own website, thereby disguising itself as a high-trust website to deceive search engines. Paid links are mostly anchor text types. Google's quality policy also clearly states that links exchanged for money may have a negative impact on the website.
Link farm
It is to deliberately obtain a large number of links from some low-quality websites whose content is irrelevant to one's own content in order to improve rankings.
SEO is not appropriate for every website, and other Internet marketing strategies may be more effective, such as paid advertising through pay-per-click ( PPC ) campaigns, depending on the website operator's goals. Search engine marketing ( SEM ) is the practice of designing, running, and optimizing search engine advertising campaigns. Its distinction from SEO is most simply described as the difference between paid and free priority rankings in search results. SEM focuses more on prominence than whatsapp database relevance; website developers should consider SEM as the most important thing and consider visibility because most people navigate to the main listings in a search. A successful Internet marketing campaign may also depend on building high-quality web pages to attract and persuade Internet users, setting up analytics programs to enable website owners to measure results, and improving the website's conversion rate.
In November 2015, Google released the full 160-page search quality rating guidelines to the public, indicating that Google's focus has shifted to "usability" and mobile local search.
In recent years, the mobile market has exploded, surpassing desktop usage, with data from StatCounter in October 2016 showing that they analyzed 2.5 million websites and found that 51.3% of pages were loaded from mobile devices. Google is one of the companies that has taken advantage of the popularity of mobile devices, and it encourages websites to use their Google Search Console, the Mobile-Friendly Test, which allows companies to measure their website against search engine results and determine how user-friendly their website is. The closer the keywords are, the better their ranking will be based on the keywords.