301 Redirection
Moved Permanently – The file has been moved permanently to a new location. This is the preferred method of redirecting for most pages or websites. If you are going to move an entire site to a new location you may want to test moving a file or folder first, and then if that ranks well you may want to proceed with moving the entire site.
302 Redirection
Found – The file has been found, but is temporarily located at another URI. Generally, as it relates to SEO, it is typically best to avoid using 302 redirects. Some search engines struggle with redirect handling.
What is Canonical URL?
Many content management systems are configured with errors which cause duplicate or exceptionally similar content to get indexed under multiple URLs. Many webmasters use inconsistent link structures throughout their site that cause the exact same content to get indexed under multiple URLs. The canonical version of any URL is the single most authoritative version indexed by major search engines. When linking to the root level of a site or a folder index it is best to end the link location at a / instead of placing the index.html or default.asp filename in the URL.
What is .htaccess file?
Apache directory-level configuration file which can be used to password protect or redirect files. As a note of caution, make sure you copy your current .htaccess file before editing it, and do not edit it on a site that you can’t afford to have go down unless you know what you are doing.
What is Mod_rewrite?
A module or plugin for Apache web servers that can be used to rewrite requested URLs on the fly.
It supports an unlimited number of rules and an unlimited number of attached rule conditions for each rule to provide a flexible and powerful URL manipulation mechanism. Which can be used to offer both search engine friendly URLs, thus increasing indexing chances for a dynamic database driven website.
What are Log Files?
Server files which show you what your leading sources of traffic are and what people are search for to find your website.