Search Engine Friendly URL (SEF URL) or permalink or static URL or human readable URL is a simple to read URL address. A dynamic web site usually backed by a database, and to display an information (a page, a product, etc), it produces a dynamic URL, like: https://www.c97.net/page.php?pid=4. A SEF URL replaces the URL by more readable URL, eg: https://www.c97.net/knowledge-base.php.
Does it mean that search engine like google.com or bing.com can't crawl dynamic URLs?
Not really! Search engine can read dynamic URLs just fine. It's just a myth that search engine prefers SEF URL to dynamic URL (don't mix it with search engine optimized url). But SEF URL has another benefit, which is more readable by human.
qEngine has a built-in SEF URL support
To enable the SEF URL follow the following steps:
You are done!
But I couldn't find _htaccess in my document root!
qEngine's installer should have created the file for you, but if you couldn't find one, you can create one easily!
After I have renamed _htaccess to .htaccess, my web site doesn't work. It said, "Error 500, Server Error"
Most probably your server doesn't support mod_rewrite which is needed by SEF URL to work. Please rename or remove .htaccess, and disable SEF URL.
PS. SEF URL only works under Apache server.
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