Deliberate repetition of keywords in a page by using invisible or tiny text to increase keyword density. This is banned by search engines.

The mindless repetition of a keyword in tiny letters (or the use of "invisible keywords") on a web page to manipulate search engine positioning. Note: Most search engines and directories penalize keyword spammers with a lower placement or with removal from their databases.

The repetitive usage of keywords or phrases on a single page using hidden text in order to have a high keyword density. Not accepted by search engines.

Using a keyword repeatedly out of context in an attempt to gain additional frequency and in turn obtain a better search engine ranking. Keyword Phrase - A phrase, which forms (part of) a search engine query. Keyword Purchasing - The buying of search keywords from search engines, usually to control banner ad. Placement. Keyword research - The search for keywords related to your Web site, and the analysis of which ones yield the highest return on investment (ROI). Keywords tag - META tag used to help define the primary keywords of a Web page. Link popularity - A measure of the quantity and quality of sites that link to your site. Link text - The text contained in (and sometimes near) a hyperlink. Log file - File that records the activity on a Web server. Manual submission - Adding a URL to the search engines individually by hand.

The process of stuffing a web page with keywords not related to the theme of the web site or in a high amount as an attempt to influence/trick the search engines. Keywords can be stuffed into many areas of a web page e.g. TITLE tag, META tags, ALT text, TITLE text

Keyword spamming is exactly that - the over inclusion of keywords in a page.