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A file with one or more configuration directives placed in a web site document directory. The directives apply to that directory and all subdirectories.

A message that the URL has moved permanently. This is commonly used when a URL has a new location and will not be appearing again at the old URL.

A “found” message. (Also referred to as a “temporary redirect.”) This form of redirection is commonly used -- and in some cases abused -- when a URL has been moved to a different location; but, it will be returning to the original location eventually.

A “forbidden” message. Prevents access to a URL and displays the reason for preventing access.
A “forbidden” message. Prevents access to a URL and displays the reason for preventing access.URL

A “not found” message. Server cannot find the URL requested.

A/B testing, at its simplest, is randomly showing a visitor one version of a page (A) version or (B) version and tracking the changes in behavior based on which version they saw.

(A) version is normally your existing design (“control” in statistics lingo); and (B) version is the “challenger” with one copy or design element changed. In a “50/50 A/B split test,” you’re flipping a coin to decide which version of a page to show. A classic example would be comparing conversions resulting from serving either version (A) or (B), where the versions display different headlines. A/B tests are commonly applied to clicked-on ad copy and landing page copy or designs to determine which version drives the more desired result. See also Multivariate Testing.

It specifies a

Absolute URLs use the full path address, such as http://www.domain.com/page1.htm. (See also Relative URL’s link.)

Accessibility is the practice of making websites usable by disabled people - especially blind people.Because search engines are essentially blind (ie they can't see pictures or use Flash) accessible websites tend to have better search engine rankings than inaccessible websites

A process of finding those potential customers who are in the market and ready to buy. The attempt to lead customers to a web site and to welcome them, answer their questions and close the sale.

Advertisements a searcher sees after submitting a query in a search engine or web site search box. In PPC, these ads are usually text format, with a Title, Description and Display URL. In some cases, a keyword the searcher used in his or her query appears boldfaced in the displayed ad. Ads can be positioned anywhere on a search results page; commonly they appear at the top above the natural or organic listings and on the right side of the page, also known as “Right Rail.”

The main text of a clickable search or context-served ad. It usually makes up the second and third lines of a displayed ad, between the Ad Title and the Display URL.

The first line of text displayed in a clickable search or context-served ad. Ad Titles serve as ad headlines.

Google AdSense is a fast and easy way for website publishers of all sizes to display relevant Google ads on their website's content pages and earn money. Because the ads are related to what your visitors are looking for on your site or matched to the characteristics and interests of the visitors your content attracts you'll finally have a way to both monetize and enhance your content pages.It's also a way for website publishers to provide Google web and site search to their visitors, and to earn money by displaying Google ads on the search results pages.

Google’s ‘Cost Per Click’ or CPC based advertising of text. AdWords takes the click-through rate into reflection along with the advertisers’ proposal to settle on the relative position of the ads within paid kind of search results. Often Google applies weighting factor like this to mark those paid kind of search results which are well-known and for more useful and relevant ones. Google started taking quality of landing page into account, thereby, they have applied a quality-score to landing pages.

is a method of sharing revenue which permits merchants to replicate sales effort by enlisting several websites as kind of exterior sales force. Most of the booming affiliate marketing programs results in merchant attracting extra buyers and affiliate earning equivalent of referral fee which is based on the click through referrals to merchant site.

Agent Name is the name of Spider/Crawler who currently visits a page. The Spider or robot is sent out with search-engines to the catalogue sites on internet. Spider indexing an exact website is called ‘being spidered’.

AJAX The augmentation of this is ‘Asynchronous JavaScript and XML’. Is an encoding language which allows updating of precise content sections on webpage without the need to reload the page completely.

Algorithm Set of regulations used by search engine to rank the listings in reply to the query. Search engines safeguard their algorithms intimately, since they are basically the distinctive formulas utilized to find out the relevancy. Sometimes, algorithms are referred as ‘secret sauce’.

AllTheWeb is an Internet search-engine acquisitioned by Yahoo and using their database.

Alt Attribute provides alternative textual information for images.

Alt tags is the full form of alt tag is alterative tag. It is used as an HTML tag for the knowledge of search engines about images which cannot be displayed. Since, search engines are unable to read text in non-textual elements like images, thus alt tags are used to inform about images.

ALT Text stands for alternative text. It is used to make text appear in place where an image cannot be displayed. This gradually increases the search engine ranking.

Anchor text is the actual text which is visible in a hyperlink which gives a complete description of the webpage.

API stands for Application Program Interface. This program allows the advertisers to manage their SEM campaigns thus bypassing the interface.

Arbitrage is the practice of creating web traffic by stressing on the keyword phrase which appears on top of search engine listings. It is practiced by web publishers and search engines to buy and sell web traffic.

ASP stands for Active Server Pages. It is a scripting language invented by Microsoft to develop web-based applications.

Auction Model Bidding is also known as market or competition-driven bidding. It is the most popular form of PPC Bidding. It works on the basis of first determining the maximum amount per click an advertiser may spend for a keyword. If no other competitor is there, he agrees to pay the bid, however if there is a competition where the keyword is auctioned, the one with the highest bid will pay a penny more than his close competitor.

Automated Submitting usually refers to submitting web pages to search engines by employing various software like: ASP, which is a Microsoft based product and Web Position Gold. These tactics has been used by search engines like: Alta vista by enabling the user to enter the submission key one-time so as to display graphic on the submission page.

Automatic Optimization is the way of determining which advertiser pays the highest click – through rate by search engines so as to automatically optimize the website with time.

All the links pointing at a particular web page. Also called inbound links

Bait and switch is considered as a spam technique when used in SEO. It provides one page for a search engine or directory and a different page for other user agents at the same URL. Sometimes it creates an optimized page and submits to search engines or directory, but replaces with the regular page as soon as the optimized page has been indexed.

Ban or banned means removing websites from index by search engines. The site can be banned for reasons like not following best industry standards.

Banner Ad is a form of advertising on the web. It is usually embedded in a web page so as to attract traffic. This advertisement is usually created using an image file like: PNG, GIF or JPEG and is placed on top of the page.

These services track the online mention of a company’s products, name, services, brands, executives and even its industry. The service will send an email to the subscriber with the information that is getting publicity on the web. It is an excellent way for companies to garner how the public feels about them. Buzz monitoring services may be either fee-based or free through search engine options, like Yahoo! and Google.

Call to Action References in the copy requesting visitors to take a particular action on the site

A click through is when a user comes across a hyperlink in a text and clicks on it. The link takes him to the website or landing page that the advertiser wants him to see.

Display URL is the URL of a webpage which one sees in a PPC text ad. It usually displays at the end of the ad which may be a simple path or a longer URL which doesn’t actually appear.

ECPM, stands for Effective Cost per Thousand. It is mathematically obtained by multiplying the click-through-rate with the CPC. This model is used by the top search engine, Google to target CPM ads."

Flash is a very popular technology used in designing web pages. It allows the web site to add animation, video, rich applications and increase interactivity. A browser must be Flash-enabled in order to display such animation.

Geo-targeting refers to advertising which is submitted or distributed based on the geographic location. This allows you to aim your ads to target specific language, country, state and other geographical aspects."

Hidden or invisible text is additional text inserted into the document that is not visible to the user. A common ploy for doing so is to make the text the same color as the page background color. This way, search engines detect the text and users do not. This allows those building a website to add extra keywords, to increase their search results, without making it obvious. It also allows a more uncluttered, simple layout, which is more esthetically pleasing for users. New techniques for hiding text are also in use, however, the trick is making sure the search engines don’t recognize it as hidden text, because the site will be ignored or even penalized if caught using this type of text.

An ‘index’ of a search engine indicates the number of documents that a search engine crawler finds on the web. Indexability,"Indexability is the indicator of website’s potential or of the contents on it, that are to be “indexed” or crawled via a search engine. If the website has low indexability or is “non-indexable”, it will show difficulties along with its URLs. "

Jump Page Ad ,A Jump Page Ad is a “microsite” that can be accessed at a click of a button or a banner. A jump Page contains several topics that will link to a particular site.

Keywords are words or phrases that a searcher might use when looking for particular information. The more keywords there are in a page, the better its results in the search engines. This leads to keyword stuffing, whereby large amounts of keywords and keyword phrases are used in the tags or HTML for a given web page

Link building is a tool used for SEO (Search Engine Optimization) that aims to boost the amount of targeted traffic to a website, which improves a site’s search engine ranking. Links can be organic (like from articles, press releases, and blog posts) or paid (in directories). Website owners work on link building to improve the search engines’ opinion of their website, positioning it as an authoritative, relevant, and high-quality site worthy of being featured at the top of the search engine results page (SERP).

When you’re reading an article, email, or blog entry and you come across text that is (usually) blue and underlined, you’ve hit a link. If you click the link, you’ll end up on another page that has more information about whatever you were just reading. Search engines consider links to be like the parts of a spider’s web that connect – if the two pages the link connects are relevant and related.

Meta keywords are keywords listed within a meta tag in a HTML code which are relevant to the content on the page. This kind of a tag has no influence on the search rankings because most major search engines refuse to recognize them since these keywords have been much abused by spammers.

Multivariate testing is a process of testing different campaign elements to determine which is the best performing element as well as the best possible combination. This testing can prove helpful in garnering important results for various components.

Negative keyword is a term which an advertiser would not want to associate with his ad. Google AdWords matches these negative keywords specified by the user. Negative keywords also known as filtered-out keywords or excluded keywords are terms which one does not want to associate with a particular ad to prevent to bay off any unnecessary click-on charges. Different search engines format these keywords differently.

Search engine listings that do not include those designed to sell, like pay-per-click campaigns, are termed organic search listings. Therefore, they have been crawled by the search engines and are ranked according to relevance for the search terms used. Having good organic search listings is ideal for any website

Page Jacking is the act of duplicating a (usually high ranking) web page and presenting the duplicate as the original.

Page Rank is actually a bit of a mystery. At least, how Google calculates Page Rank is. Using a complicated algorithm, Google measures how relevant and important a website is in comparison with other websites.

These media files are informational sound and/or video files which can be downloaded and distributed online. Individuals can choose to play them on their personal computer or with a portable device like an iPod.

PPC is a quick way to drive traffic to a website. Basically, you create an ad that’s triggered when people enter certain words as they search for information online. You bid on these keywords; the frequency and placement of your ad depends on your bid. You only pay when people click your ads.

Quality Score is a variable which is mainly used by top search engines like: Google and Yahoo to determine the order in which the ads appear in search engine results which depends on the Cost per Click of the ads.

Query strings are found in web site URLs and denote the information that is being passed to a web application

Rank tells where a web site is in terms of results by search engines. Ideally a web site or page wants to be in the top 10 results for a given keyword, for maximum exposure and best click-through ad results. Organic search listings with good rank, is the best case scenario for a website owner. Using long-tailed keywords is a good way to increase rank.

Relative URLs make use of only the name of the current page like “page1.htm”

SERP stands for Search Engine Results page, which is what a user sees after he performs a search for a give word or phrase. It shows the sponsored ads and the organic search listings at the same time.

This is an indication of how easy it is to use a given website. It includes things such as how authentic the content is, how logical the navigation of the site is, the consistency of the layout and design and much more. Specialized courses are available to teach optimal site usability for those who design websites, or who want to do an exceptional job with creating their own website that users will enjoy navigating within.

Picture a bloodhound sniffing around on the internet, tracking a scent – but in digital form. A sniffer is a program or device that snoops all over a network, collecting data. Probably the most famous sniffer is the FBI’s “Carnivore” which monitors the Internet for illegal communications.

Websites which have a varying amount of input from the general public. They include blogs, social networking and forums, amongst other types. It is a very useful way for marketers to find out what is popular and what is not.

Stop Words are conjunctions, prepositions etc. that are so commonly used that they have little or no influence on relevance

"Tagging, tags (see Bookmarks)",refers to the ability of search engines to bookmark a particular page so as to share your resources and information.

Websites don’t just automatically work. With all the different browsers, technologies, and functions sites need to accommodate, sometimes you need to bring in a tech whiz to make it all work properly. The computer genius you call in this case is a usability expert.

Vertical is a particular business group like: travel, insurance and so on. Vertical search presents such business categories with PPC and targeted search opportunities.

Web Crawler is a type of a program or a script that automatically browses through the World Wide Web methodically and systematically. It is also known as a “web spider” or “web robot”

XML is an acronym for “Extensible Markup Language” which is a data delivery language used essentially for developing web pages. XML is very similar to HTML.

Yahoo! is perhaps the most popular and few of the earliest directories which has made a world wide impact. Today, it also holds a prestigious place among the top three search engines.

Zeal is a Volunteer Built Web Directory developed in 1999 and was eventually bought by LookSmart, which now performs a combined task of LookSmart editors’ and volunteers’ work which involves profiling of the websites and arranging them in subcategories.