SERP - Search Engine Ranking Position
SERP stands for search engine results page. Using your website URL and some keywords you select, you can quickly and accurately discover where you rank if someone were to use your selected keywords. It is the position a website appears in a search engines results page.
If you have a website then the majority of your potential visitors will directed to your website through search engines and the better your SERP ranking, the more visitors you will receive.
You can click on the SERP Info link that is in theHow It Works box to learn more.