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Human-edited directories are different. The pages that are stored in their repository are added solely through manual submission. The directories, for the most part, require manual submission and use certain mechanisms (particularly, CAPTCHA images) to prevent pages from being submitted automatically. After completing the submission procedure, your URL will be queued for review by an editor, who is, luckily, a human.

When directory editors visit and read your site, the only decision they make is to accept or reject the page. Most directories do not have their own ranking mechanism – they use various obvious factors to sort URLs, such as alphabetic sequence or Google PageRankTM (explained later in this course). It is very important to submit a relevant and precise description to the directory editor, as well as take other parts of this manual submission seriously.

Spider-based engines often use directories as a source of new pages to crawl. As a result, it’s self-evident in SEO that you should treat directory submission and directory listings as seriously and responsibly as possible.

While a crawler-based engine would visit your site regularly after it has first indexed it, and detect any change you make to your pages, it’s not the same with directories. In a directory, result listings are influenced by humans. Either you enter a short description of your website, or the editors will. When searching, only these descriptions are scanned for matches, so website changes do not affect the result listing at all.

As directories are usually created by experienced editors, they generally produce better (at least better filtered) results. The best-known and most important directories are Yahoo (www.yahoo.com) and DMOZ (www.dmoz.org).

Подобни статии:

1. Submitting to Search Engines ...
2. Search Engines’ Submission Rules and Guidelines ...
3. Lesson (17): Building the Right Site Architecture ...
4. Lesson (20): Creating a Search Engine Friendly Sitemap ...
5. Lesson (19): META Robots Tag and “robots.txt” ...