Machine-generatedDon't use software tools that purport to auto-generate doorway pages. These pages are usually devoid of meaningful content.
Malda, RobFounder of Slashdot.org, a popular editorially driven technology news forum.
Manual ReviewAll major search engines combine a manual review process with their automated relevancy algorithms to help catch search spam and train their relevancy…
Manual submittingSubmitting by hand to an individual search engine, rather than using an automated submission tool or service.
Mechanical TurkAmazon.com program which allows you to hire humans to perform easy tasks that computers are bad at.
MemeIn The Selfish Gene Richard Dawkins defines a meme as "a unit of cultural transmission, or a unit of imitation.
Meta DescriptionThe meta description tag is typically a sentence or two of content which describes the content of the page.
Meta KeywordsThe meta keywords tag is a tag which can be used to highlight keywords and keyword phrases which the page is targeting.
Meta RefreshA meta tag used to make a browser refresh to another URL location. A meta refresh looks like this <meta http-equiv="refresh" content="10;url=http://www.
Meta SearchA search of searches. A query is submitted to more than one search engine or directory, and results are reported from all the engines, possibly after…
Meta Search EngineA server which passes queries on to many search engines and/or directories and then summarises all the results.
Meta tagA construct placed in the HTML header of a web page, providing information which is not visible to browsers.
Meta tag stuffingRepeating keywords in the meta tags and using meta keywords that are unrelated to the site's content.
Meta TagsPeople generally refer to meta descriptions and meta keywords as meta tags. Some people also group the page title in with these.
MicrosoftMaker of the popular Windows operating system and Internet Explorer browser.
MindshareA measure of the amount of people who think of you or your product when thinking of products in your category.
MirrorA reflecting surface of various physical shapes (parabolic, nearly flat, or flat) used to reflect and/or concentrate the sun's energy to specific…
Mirror SiteA file server containing a duplicate set of files located in a different geographic area for the purposes of managing heavy traffic, providing security…
Mirror SitesMultiple copies of web sites or web pages, often on different servers. The process of registering these multiple copies with search engines is often…
Miserable FailureA well known example of "Google bombing", it poignantly illustrates how inbound text links can affect SERPs.
MisspellingsPeople quite often spell words incorrectly when using search engines. Pages which use common misspellings will quite often receive extra hits, so it is a…
Mod_rewriteA module or plugin for Apache web servers that can be used to rewrite requested URLs on the fly.
MouseoverWhere hovering the mouse over a text or graphic link without clicking displays something new on the page.
Movable TypeFor sale blogging software which allows you to host a blog on your website. Movable Type is typically much harder to install that Wordpress is.
Mozilla FirefoxMozilla Firefox is a web browser that has steadily grown in popularity over the last few years.
MSNcan refer to Microsoft Network and their search engine
MSN SearchSearch engine built by Microsoft. MSN is the default search provider in Internet Explorer.
Multi Dimensional ScalingThe process of taking shapshots of documents in a database to discover topical clusters through the use of latent semantic indexing.
Multiple Domain NamesThe use of several extra domains to provide gateway pages or gateway sites to the main site.
Multiple Keyword TagsThe use of more than one Keywords META tag in order to try to increase the relevancy of the best keywords on a page. This is not recommended.
Multiple TitlesIt used to be possible to repeat the HTML title tag in the header section of a page several times to improve search engine positioning.
MySpaceOne of the most popular social networking sites, largely revolving around connecting musicians to fans and having an easy to use blogging platform.