| organic link | These links are published only because the webmaster deems to add value for users. |
| log file | A file that records users’ information, such as IP addresses, type of browser, Internet Service Provider (ISP), date/time stamp, referring/exit pages, and number of clicks. |
| uniform resource locator (url): a website address. | |
| breadcrumb navigation | A navigation practice that helps explain the relationship between pages, to both search engines and visitors. Breadcrumb navigation typically takes this format: Home > SubCategory1 > Content and represents of the websites architecture. |
| headings tags | Commonly are the page title [ H1 ], paragraph titles [ H2 ] and sub-paragraph titles [ H3 ]. Previously had some SEO significance and still often included in SEO page checking programs. Actual current SEO value a source of discussion. Still best to use no more than one H1 tag on each page and go easy with the others. |