The effectiveness of the SEO services can be adjudged from the fact that the SEO companies can track all aspects of the strategies that they use to make the websites rank highly. They can track metrics like the increase in rankings, number of visitors visiting each day, traffic size, number of conversions and which strategies are working the best.
The cost effectiveness of any SEO service is one of the reasons why businesses opt for it. The strategy is to target those potential customers that are looking for your products or services. the relevance of local search has increased and that is why SEO has become all the more effective.