Search engine optimization aims to index and improve rankings for the webpages which are most relevant to the keywords searched for according to the algorithm of each search engine. The relevant pages are returned in search engine result pages (SERPS). Basically this is done by writing a naural copy of each page containing the keywords that genuinely represent the goods and the services described within the corresponding webpages. Keywords are also used in the Title Pages, Meta Tags, Headings within a density of about 6% i.e., about 6 keywords spread over a page containing 100 words.

In order to further fine tune the pages and keep them user and search engine friendly, the architecture of the website, including its internal link structure, navigation etc., are also suitably modified for human beings and search spiders to nevigate through whole wbsite pages. Search spiders then can scan all necessary data about the whole site and store in engines’ data base. A good navigation systems imparts excellent experience to the users and they tend to visit the site again and again. This a sign of good achievement.

Numbers of inbound links to the site and the ‘quality’ of the links determine the Reputation of the website within the industry it belong to. This Reputation is one of the most important criteria for search engines to consider higher levels of rank to the deserving webpages. Algorithms are evolutionary and strives to develop every day in an attempt to provide most relevant & useful pages to the users and strike out the websites that trick them and attain higher positions for a while.

These processes are known as Organic or Algorithmic Search Engine Optimization (SEO) of websites. Eventually it is essential for each and every website to get optimized organically, though temprarity they can make use of Pay-per-Click (PPC) to market their website without having to wait for the results of Organic SEO. However, users still prefer Organic Result Pages than Pages for which Advertising charges are paid to search engines. So far for inclusion in Organic Result Pages no fees are prescribed except the high usefulness of the information to the users.

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

An advertising agency or ad agency is a service business dedicated to creating, planning and handling advertising (and sometimes other forms of promotion) for their clients. An ad agency is independent from the client and provides an outside point of view to the effort of selling the client’s products or services. An agency can also handle overall marketing and branding strategies and sales promotions for its clients.

Typical ad agency clients include businesses and corporations, non-profit organizations and government agencies. Agencies may be hired to produce single ads or, more commonly, ongoing series of related ads, called an advertising campaign.

Ad agencies come in all sizes, from small one- or two-person shops to large multi-national, multi-agency conglomerates such as Omnicom Group or WPP Group.

Some agencies specialize in particular types of advertising, such as print ads or television commercials. Other agencies, especially larger ones, produce work for many types of media (creating integrated marketing communications, or through-the-line (TTL) advertising). The “line”, in this case, is the traditional marker between media that pay a (traditionally 15%) commission to the agency (mainly broadcast media) and the media that do not.

Lately, Search Engine Marketing (SEM) and Search Engine Optimization (SEO) firms have been classified by some as ‘agencies’ due to the fact that they are creating media and implementing media purchases of text based (or image based in some instances of search marketing) ads. This relatively young industry has been slow to adopt the term ‘agency’ however with the creation of ads (either text or image) and media purchases they do qualify technically as an ‘advertising agency’ as well as recent studies suggest that both SEO and SEM are set to outpace magazine spending in the next 3-5 years.

Not all advertising is created by agencies. Companies that create and plan their own advertising are said to do their work in house.

Links

• American Association of Advertising Agencies
• World Federation of Advertisers
• Adforum you can view advertising print work and spots
• Research Company Evaluating the Media Agency Industry

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

Keyword stuffing is considered to be an unethical Search engine optimization (SEO) technique. Keyword stuffing occurs when a web page is loaded with keywords in the meta tags or in content. The repetition of words in meta tags, may explain why many search engines no longer use these tags.

Keyword stuffing is used is to obtain maximum search engine ranking and visibility for particular phrases. A word that is repeated too often may raise a red flag to search engines.

Hiding text out of view of the visitor is done in many different ways. Text colored to blend with the background, CSS “Z” positioning to place text “behind” an image – and therefore out of view of the visitor – and CSS absolute positioning to have the text positioned several feet away from the page center, are all common techniques. As of 2005, some of these invisible text techniques can be detected by major search engines.

“Noscript” tags are another way to place hidden content within a page. While they are a valid optimization method for displaying an alternative representation of scripted content, they may be abused, since search engines may index content that is invisible to most visitors.

Inserted text sometimes includes words that are frequently searched (such as “sex”) even if those terms bear little connection to the content of a page, in order to attract traffic to advert-driven pages.

Links

• Google Guidelines
• Yahoo! Guidelines

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

A webmaster who wants to maximize the value of a web site can read the guidelines published by the search engines, as well as the coding guidelines published by the World Wide Web Consortium. If the guidelines are followed, and the site presents frequently updated, useful, original content, and a few meaningful, useful inbound links are established, it is usually possible to obtain a significant amount of organic search traffic.

When a site has useful content, other webmasters will naturally place links to the site, increasing its PageRank and flow of visitors. When visitors discover a useful web site, they tend to refer other visitors by emailing or instant messaging links.

As a result, SEO practices that improve web site quality are likely to outlive short term practices that simply seek to manipulate search rankings. The top SEOs recommend targeting the same thing that search engines seek to promote: relevant, useful content for their users.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

Spamdexing is the promotion of irrelevant, chiefly commercial, pages through deceptive techniques and the abuse of the search algorithms. Many search engine administrators consider any form of search engine optimization used to improve a website’s page rank as spamdexing. However, over time a widespread consensus has developed in the industry as to what are and are not acceptable means of boosting one’s search engine placement and resultant traffic.

As search engines operate in a highly automated way it is often possible for webmasters to use methods and tactics not approved by search engines to gain better ranking. These methods often go unnoticed unless an employee from the search engine manually visits the site and notices the activity, or a change in ranking algorithm causes the site to lose the advantage thus gained. Sometimes a company will employ an SEO consultant to evaluate competitor’s sites, and report “unethical” optimization methods to the search engines.

Spamdexing often gets confused with legitimate search engine optimization techniques, which do not involve deceit. Spamming involves getting web sites more exposure than they deserve for their keywords, leading to unsatisfactory search results. Optimization involves getting web sites the rank they deserve on the most targeted keywords, leading to satisfactory search experiences.

When discovered, search engines may take action against those found to be using unethical SEO methods. In February 2006, Google removed both BMW Germany and Ricoh Germany for use of these practices.[1]

Legal issues

In 2002, search engine manipulator SearchKing filed suit in an Oklahoma court against the search engine Google. SearchKing’s claim was that Google’s tactics to prevent spamdexing constituted an unfair business practice. This may be compared to lawsuits which email spammers have filed against spam-fighters, as in various cases against MAPS and other DNSBLs. In January of 2003, the court pronounced a summary judgment in Google’s favor. [2]

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

So-called “white hat” methods of SEO involve following the search engines’ guidelines as to what is and what isn’t acceptable. Their advice generally is to create content for the user, not the search engines; to make that content easily accessible to their spiders; and to not try to game their system. Often webmasters make critical mistakes when designing or setting up their web sites, inadvertently “poisoning” them so that they will not rank well. White hat SEO attempts to discover and correct mistakes, such as machine-unreadable menus, broken links, temporary redirects, or a generally poor navigation structure that places pages too many clicks from the home page.

Because search engines are text-centric, many of the same methods that are useful for web accessibility are also advantageous for SEO. Methods are available for optimizing graphical content, including ALT attributes, and adding a text caption. Even Flash animations can be optimized by using an OBJECT element that contains equivalent HTML content [3].

Some methods considered proper by the search engines:

• Using a short and relevant title to name each page.
• Editing web pages to replace vague wording with specific terminology that is relevant to the subject of the page.
• Increasing the amount of original content on a site.
• Using a reasonably-sized, accurate description meta tag without excessive use of keywords, exclamation marks or off topic terms.
• Ensuring that all pages are accessible via regular links, and not only via Java, Javascript or Macromedia Flash applications; this can be done through the use of a page listing all the contents of the site (a Site map)
• Developing links via natural methods: Google doesn’t elaborate on this somewhat vague guideline. Dropping an email to a fellow webmaster telling him about a great article you’ve just posted, and requesting a link, is most likely acceptable.
• Participating in a web ring with other web sites as long as the other websites are independent, share the same topic, and are of comparable quality.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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Search engine operators became interested in the SEO community in the late 1990s. A number of high profile SEO community leaders established contractual relationships with search engines for advertising and consulting purposes. These early contacts led to an amelioration of some hostile feelings between the search optimization and search engineering communities.

In early 2000, search engines and SEO firms attempted to establish an unofficial “truce.” There are several tiers of SEO firms, and the more reputable companies employ content-based optimizations which meet with the search engines’ (reluctant) approval. These techniques include improvements to site navigation and copywriting, designed to make websites more intelligible to search engine algorithms.

Some search engines have also reached out to the SEO industry, and are frequent sponsors and guests at SEO conferences and seminars. In fact, with the advent of paid inclusion, some search engines now have a vested interest in the health of the optimization community.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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Google was started by two PhD students at Stanford University, Sergey Brin and Larry Page, and brought a new concept to evaluating web pages. This concept, called PageRank, has been from the start important to the Google algorithm [1]. PageRank relies heavily on incoming links and uses the logic that each link to a page is a vote for that page’s value. The more incoming links a page had the more “worthy” it is. The value of each incoming link itself varies directly based on the PageRank of the page it comes from and inversely on the number of outgoing links on that page.

With help from PageRank, Google proved to be very good at serving relevant results. Google became the most popular and successful search engine. Because PageRank measured an off-site factor, Google felt it would be more difficult to manipulate than on-page factors.

But manipulated it was. Webmasters had already developed link manipulation tools and schemes to influence the Inktomi search engine. These methods proved to be equally applicable to Google’s algorithm. Many sites focused on exchanging, buying, and selling links on a massive scale. PageRank’s reliance on the link as a vote of confidence in a page’s value was undermined as many webmasters sought to garner links purely to influence Google into sending them more traffic, irrespective of whether the link was useful to human site visitors.

It was time for Google—and other search engines—to look at a wider range of off-site factors. There were other reasons to develop more intelligent algorithms. The Internet was reaching a vast population of non-technical users who were often unable to use advanced querying techniques to reach the information they were seeking and the sheer volume and complexity of the indexed data was vastly different from that of the early days. Search engines had to develop predictive, semantic, linguistic and heuristic algorithms.

A proxy for the PageRank metric is still displayed in the Google Toolbar, but PageRank is only one of more than 100 factors that Google considers in ranking pages.

Today, most search engines keep their methods and ranking algorithms secret. A search engine may use hundreds of factors in ranking the listings on its SERPs; the factors themselves and the weight each carries may change continually.

Much current SEO thinking on what works and what doesn’t is largely speculation and informed guesses. Some SEOs have carried out controlled experiments to gauge the effects of different approaches to search optimization.

The following, though, are some of the considerations search engines could be building into their algorithms, and the list of Google patents [2] may give some indication as to what is in the pipeline:

• Age of site
• Length of time domain has been registered
• Age of content
• Regularity with which new content is added
• Age of link and reputation of linking site
• Standard on-site factors
• Negative scoring for on-site factors (for example, a dampening for sites with extensive keyword meta tags indicative of having being SEO-ed)
• Uniqueness of content
• Related terms used in content (the terms the search engine associates as being related to the main content of the page)
• Google Pagerank (Only used in Google’s algorithm)
• External links, the anchor text in those external links and in the sites/pages containing those links
• Citations and research sources (indicating the content is of research quality)
• Stem-related terms in the search engine’s database (finance/financing)
• Incoming backlinks and anchor text of incoming backlinks
• Negative scoring for some incoming backlinks (perhaps those coming from low value pages, reciprocated backlinks, etc.)
• Rate of acquisition of backlinks: too many too fast could indicate “unnatural” link buying activity
• Text surrounding outward links and incoming backlinks. A link following the words “Sponsored Links” could be ignored
• Use of “rel=nofollow” to suggest that the search engine should ignore the link
• Depth of document in site
• Metrics collected from other sources, such as monitoring how frequently users hit the back button when SERPs send them to a particular page
• Metrics collected from sources like the Google Toolbar, Google AdWords/Adsense programs, etc.
• Metrics collected in data-sharing arrangements with third parties (like providers of statistical programs used to monitor site traffic)
• Rate of removal of incoming links to the site
• Use of sub-domains, use of keywords in sub-domains and volume of content on sub-domains… and negative scoring for such activity
• Semantic connections of hosted documents
• Rate of document addition or change
• IP of hosting service and the number/quality of other sites hosted on that IP
• Other affiliations of linking site with the linked site (do they share an IP? have a common postal address on the “contact us” page?)
• Technical matters like use of 301 to redirect moved pages, showing a 404 server header rather than a 200 server header for pages that don’t exist, proper use of robots.txt
• Hosting uptime
• Whether the site serves different content to different categories of users (cloaking)
• Broken outgoing links not rectified promptly
• Unsafe or illegal content
• Quality of HTML coding, presence of coding errors
• Actual click through rates observed by the search engines for listings displayed on their SERPs
• Hand ranking by humans of the most frequently accessed SERPs

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.

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SEO began in the mid-1990s, as the first search engines were cataloging the early Web. Initially, all a webmaster needed to do was submit a site to the various engines which would run spiders, programs to “crawl” the site, and store the collected data. The search engines then sorted the information by topic, and served results based on pages they had spidered. As the number of documents online kept growing, and more webmasters realized the value of organic search listings, so popular search engines began to sort their listings so they could display the most relevant pages first. This was the start of a search engine versus webmaster game that continues to this day.

At first search engines were guided by the webmasters themselves. Early versions of search algorithms relied on webmaster-provided information such as category and keyword meta tags. Meta tags provided a guide to each page’s content. When some webmasters began to abuse meta tags, causing their pages to rank for irrelevant searches, search engines abandoned their consideration of Meta tags and instead developed more complex ranking algorithms, taking into account factors that were more diverse, including:

• Text within the title tag
• Domain name
• URL directories and file names
• HTML tags: headings, bold and emphasized text
• Keyword density
• Keyword proximity
• Alt attributes for images
• Text within NOFRAMES tags

By relying so extensively on factors that were still within the webmasters’ exclusive control, search engines continued to suffer from abuse and ranking manipulation. In order to provide better results to their users, search engines had to adapt to ensure their SERPs showed the most relevant search results, rather than useless pages stuffed with keywords by unscrupulous webmasters. This led to the rise of a new kind of search engine.

This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.