Search engine optimization (SEO) is the method of increasing the visibility of a website or a web page in search engines through the natural or un-paid search results. But there is another method which is paid listing. SEO services targets miscellaneous kinds of search such as image search, local search, video search, and news search and industry specific engines.
Initially site owners wanted to have their sites highly ranked and visible in search engine results. It was observed that early search engines experienced abuse and ranking manipulation. This issue was taken seriously and search engines started building up quite complex ranking algorithms and considered other factors also that were rather difficult for webmasters to manipulate. There is another technique, known as black hat SEO services, which degrades both the relevance of search results and quality of user-experience with search engines.
Later search engines encompassed as a feature a wide range of undisclosed factors in their ranking algorithms to eliminate the impact of link exploitation. Now SEO services practitioners check patents held by various search engines to gain insight into the algorithms.
Nevertheless, at the time of hiring an SEO for establishing a new site or redesigning the existing one, however good SEO services can also help improve your site and make it search engine-friendly from the bottom up.
Some SEO services have done aggressive marketing and tried to manipulate search engine results in unfair ways, take care of those SEO services and adopt some precautionary measures.
Those Seo services who guarantee high rankings or priority submit to search engine, it is totally false because there is not priority for search engine.
Avoid unreliable or deceptive content by your SEO services company. Eventually you will be held responsible if any thing happens unethical. Further, try to evade those SEO services who offer free for all links, link popularity schemes or submitting your site to thousands of search engines. Therefore, you should be optimistic and keep away from useless exercises because these do not keep your ranking up in the results of the major search engines.
Several SEOs will assure you to rank you highly in search engines but place you in the advertising section rather than in the search results. Few SEOs are habitual of even changing their bid prices in real-time to create the illusion that they control other search engines and can place themselves in the slot of their choice.