Crawlers, also known as spider and robots, are just programs that search engines use to "crawl" from link to link and add data to that particular search engine's database. Here are some ways to attract them to your site so you can get more hits from users:
More Web Search Quick Tips
- Include as many specific keywords as possible in your Meta tags. Spiders see these, and will use them to find your site.
- Have as many external links as possible coming to your site. One way to do this is to submit your site to human-edited directories (Yahoo, dmoz.org).

