AYes, the Search Engine Optimization area is indeed very unpredictable. You do not know the strategies that your competitors will use in the future. And you do not even know what updates will be made by a search engine. But with top-quality professional SEO services, the results of your site won’t be worse than others. And the direction of the updates can be predicted. So, our agency can guarantee positive search engine optimization results for our monthly SEO package. But it can’t guarantee top ranks in a specific period.