.htaccess

Is a mod rewrite file that when placed on the root folder enables Redirection on an apache server.

301 Redirect

A permanent move of website, essentially indicating that the website no longer exists and all requests are forwarded to another page.

Algorithm

An algorithm is a set of mathematical rules to get a result from an input of data. The most famous online Algorithm is that of search engine Google. The Google algorithm is used to determine the ranking of websites in its index. Many SEO Professionals see the Google Algorithm as the Holy Grail.

Bad neighborhood

Refers to sites that link to each other that may have been penalized for some unethical promotion techniques.

Blackhat SEO

Is unethical methods of optimisation, severe penalties are handed out to sites who are recognised for using techniques such as same colour text as background, spamming keywords or linking from bad neighbourhoods.

Blog

A blog, is short hand for Web Log and is a page on a website where information can be regularly updated. Useful for Search Engine Optimisation because the more frequent content is added increases the likelihood is of regular crawling and indexing, resulting in higher placement in the SERPs.

Canonicalisation

Canonicalisation essentially means that your website has two entrances to the same location/page, The error normally lies in the websites URL structure, this is classed as a negative offence towards most search engines "as it leads to duplicated content" It is always important to close off one of these entrances using a [301] Permanent Re-direct.

CMS

Acronym for Content Management System, a secure web page where you can edit your website, sometimes called an admin system.

Content/Copywriting

Content, or Copywriting is the text that is placed on a web page. Good content is key to a successful SEO campaign.

Directories

A directory is a website that details services categorised by industry. There are 1000's of free and Paid Directories available, and some can be industry specific. Within the directory you can normally submit a paragraph of information about your company, and a link is provided directly to your site.

DMOZ - The Open Source Directory

DMOZ is an open source, human reviewed Directory. Google uses the information from DMOZ to estimate the Authority of a site. Entry to the directory is not guaranteed as each and every submission is review for quality by a human volunteer.

Domain age

Is the date that a page was first available for index in a search engine. The age of a domain has a significant impact on search engine rankings, as an older domain is seen as more stable, and therefore more Authoritive.

Ethical SEO

Ethical SEO describes optimisation that does not use any underhand methods to improve rankings. There are many methods that are seen to be faking or deceive the search engines view of the site. Please read the Blackhat SEO section for some examples of unethical search engine optimisation.

HTML Sitemap

The HTML Sitemap is an easy way to supply your users with a snapshot of the structure of your website and allows for them to successfully navigate quickly through your website. HTML Sitemaps also help build up "Internal Linking" throughout your entire website.

Indexed

Indexed or Indexing is the action performed by the search engine to attain a position for a website in the listings. Not to be confused with crawling.

Keywords

Keywords are used on a website to tell a search engine which specific information you are targeting and to also help target users who may in-turn search for those keywords within a search engine. Keywords are contained within a "Meta Tag" and the Body of a website.

Long tail

Is the term given to non-generic search terms entered into a search engine. Long tail searches generally convert into sales / leads as the visitor has been very specific about what they want.

Meta Tags

Meta Tags otherwise known as "Meta Elements" can be found within both HTML and xHTML contained between the tags of the document, they can contain specific information about a website such as relevant keywords or the webpage description.

Natural/organic

In relation to search engine results means that the listing has been gained over time and is seen as an authority site. Natural referrals are the opposite of PPC referrals.

Page Rank

Page Rank is a visual representation of a websites authority. Ranging from unranked, for weak or new websites, to 10 for highly trusted and resourceful websites. Every single web page is assigned a Page Rank and there is a blanked update every 3 months approximately.

PPC - Pay per Click

Pay per Click is the practice of advertising on a search engine or other website. Website owners will pay the site hosting the advert based on the amount of clicks they receive through to their site.

Sandbox

The Google Sandbox Effect - is associated with newly registered domains, and has never been confirmed by Google, and many believe that it does not exist as a policy, but is simply an effect of the Algorithm that Google uses to calculate a ranking for a website. It seems that it can take up to 12 months for a site to move out of the sandbox, and this can be even longer if a new domain uses Ad Sense adverts on the page. This would suggest that it is Google's way of trying to reduce the amount of spam sites on the internet that abuse the use of Google Ad Sense.

SEM - Search Engine Marketing

Is a form of internet marketing which has the goal of promoting web sites by being listed in search engines. There are various SEM methods, these include: Search Engine Optimization, paid placement and paid inclusion

SERPs

Acronym for Search Engine Results Pages.

Social networking

Is a buzzword at the moment on the internet. A social network is an online group of people who share similar interests or activities. Examples of social networks include Digg! Facebook and MySpace.

Spam

Is the term given to junk mail that arrives electronically. This is typically unsolicited, as email addresses are scraped from the internet by programmed spiders. Spam websites are sites that have the intention of deceiving users in to clicking adverts on the page, to make the owner money.

Title Tag

The Title Tag can be found within the tag of a HTML or xHTML document and can be used to display textual information to a user, The Title Tags information can be found at the very top left hand corner of the Browser/Applications window.

Traffic

Traffic is the term that is used to describe visitors to a site.

W3C

W3C Stands for "The World Wide Web Consortium" and was foundered by what many believe to be "The Father" of the internet, Sir Tim Berners Lee. The consortium exists to ensure that compatibility between vendors agree on a foundation of standards when programming for the web.

XML Sitemap

An XML Sitemap is an easy way for a Search Engine to find out what type of content is hosted on your website and where to find it. The XML sitemap replaces the previous way of users having to submit their site to various search engines through the use of submission forms, Now users can simply upload an XML Sitemap to their website and wait for the search engines to find it.