All the money you spend on a search engine optimization program will be worth very little to you unless you can measure how successful each component of it is and that is exactly what an SEO grader can help you do. Like taking a test in high school, an SEO grader will examine all the parts of your program and then give you a physical grade based on its effectiveness with a scoring system that you will be familiar with, A to F. More importantly, an SEO grader can raise some red flags to let you know where you are going horribly wrong as well as tell you what you are doing precisely right. With that kind of information, it will be much easier for you to hone your program and make it even more effective.
It is very easy to find an SEO grader and many are available for free or for a very low fee online. If you are having trouble interpreting what the SEO grader is trying to tell you, it is easy enough to let the task fall to your target SEO provider. In truth, many SEO specialists already work with SEO graders regularly and your chosen professional might be able to suggest one for your usage.
In terms of what it can do for you, think of each part of your SEO program like a question on a test and the SEO grader the teacher that scores each of them to a certain degree of right or wrong. If for instance, you see that all of the keywords from one page or one component of your program are failing, then you know that they need to be changed. If you see that you are lagging hits from one area, you will know exactly where to target.
Your chosen provider can read the results of an SEO grader like a map and that will make it a whole lot easier for them to fix whatever is wrong. You can keep grading your program until you are seeing the results you want. Then, you can focus on increasing them.
This is why a grading tool can be such a powerful component of any SEO program. Without it, you are basically flying blind. That is no way to justify an investment and once you can interpret your results, you will know just how to improve them.