Google has a very large team of search quality raters that evaluate the quality of search results, that gets fed into a machine learning algorithm. Google’s search quality rater guidelines provide plenty of detail and examples of what Google class as high or low quality content and websites, and their emphasis on wanting to reward sites that clearly show their expertise, authority and trust (EAT).


SEO involves the deliberate use of keywords, HTML tags, meta data and other content-related or backend-oriented tactics to manipulate your rank on Google. The more authority you gain through these SEO strategies, the higher your website shows in the Google search engine results pages (SERPs). The higher your website, the better brand awareness, the higher the traffic and the more consumers convert.
In 1998, two graduate students at Stanford University, Larry Page and Sergey Brin, developed "Backrub", a search engine that relied on a mathematical algorithm to rate the prominence of web pages. The number calculated by the algorithm, PageRank, is a function of the quantity and strength of inbound links.[21] PageRank estimates the likelihood that a given page will be reached by a web user who randomly surfs the web, and follows links from one page to another. In effect, this means that some links are stronger than others, as a higher PageRank page is more likely to be reached by the random web surfer.
Paid search is precise and agile. You get the searchers you want, but you pay for that convenience. SEO is technically free, but it takes research and effort to make sure your net is in the right place and catching the right kind of fish. It also takes longer to move a net than to pack up your tackle and try another lake, and the same is true for drastically changing an SEO campaign versus changing a paid search campaign.
The signals used by a scanning electron microscope to produce an image result from interactions of the electron beam with atoms at various depths within the sample. Various types of signals are produced including secondary electrons (SE), reflected or back-scattered electrons (BSE), characteristic X-rays and light (cathodoluminescence) (CL), absorbed current (specimen current) and transmitted electrons. Secondary electron detectors are standard equipment in all SEMs, but it is rare for a single machine to have detectors for all other possible signals.
Web design is a very technical field that requires high literacy in many different kinds of software, including image editing and website architecture programs. A designer should be comfortable with computer “languages” like HTML and stay up to date on new technological developments. The designer is also an artist, so he or she should also have a firm grasp on aesthetics, visual continuity, and image composition.
Remember also, that search engine marketing is only one online digital communications tool. For established brands, we commonly see from web analytics that more than half of site visitors arrive at a site, not through search engines, but directly through typing in the web address or following a bookmark (web analytics tools label these as ‘no referrer'). The volume of direct visitors shows the power of branding, PR and offline communications in driving visitor traffic.
However, if you're going to understand online marketing, you have to understand the importance of building Google's trust. There are three core components involved here. These three core components are like the pillars of trust that comprise all of Google's 200+ ranking factor rules. Each of those rules can be categorized and cataloged into one of these three pillars of trust. If you want to rank on the first page or in the first spot, you need to focus on all three, and not just one or two out of three. http://youtube.com/v/7bNPg8UbhaE
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