/ In addition to the conventional indexes that include many different categories, there are a few indexes which concentrate specifically on a certain subject. /
/ For example, the GNN page contains a list of business sites on the Web. /
/ Using these more-focused tools can save you a lot of time and effort. /
/ On the other hand, since they are smaller, these indexes may not include all relevant sites. /
/ Now that you've learned how to use the menu-based strategy, it's time to study the keywords-based strategy. /
