There are a number of methodologies ranging from complex formulas including many different heuristics to more simplified models designed just to give you a sense of the opportunity. Most people approach SEO with a preconception – or prejudice – about what their best keywords are. They are normally either wholly or partly wrong. You’re going to run into things that are going to be unexpected and will get you in trouble with your clients or will give you a nice big dip in the wrong direction as far as search results go. As a rule of thumb, the easier you acquire a link, the less value it will likely have. You have to think outside of the box (link building is not just guest posting).

The worst advice I've heard about googlebot crawlers

So, 3 to 5 years ago you could get a job, an entry level position in the SEO industry and it wasn’t difficult. Search engines need to provide relevant results to searchers (so that they’ll keep coming back to that search engine and be an audience for its advertising); and because searchers provide few clues about what they’re really looking for, we’ve seen that search engines use aggregate knowledge to discern meaning. The most important thing with a trust or brand problem is to never try to squash the truth. Google is good at crawling all types of URL structures, even if they're quite complex, but spending the time to make your URLs as simple as possible for both users and search engines can help.

You’ll be able to beat your competitors by considering carefully the use of link bait

Putting a Rel Author tag in all of your published posts would mean that you’re putting your reputation on the line. Hopefully your website is laid out in a way that allows users to easily find the content or pages that you want to promote. Many marketers will have seen a technical SEO checklist in their time. Any time a site migration is approaching or a technical audit is scheduled, a checklist tends to appear. Search engines crawl each website to make sure the content in your descriptions matches the content on the page.

Don’t forget about stickiness

In the emerging days of the Web, directories were built to help users navigate to various websites. When launching a new website that replaces a previous version, use 301 Redirects to tell the search engines that your pages have moved. Doing so will retain your hard-earned Google Page Rank and your search engine positioning should stay more or less intact. If you do not use 301 Redirects when launching a new/replacement site, search engines will still have your old pages contained in their index, and both search engines and visitors seeking out your content will encounter broken pages when they try to visit your site. This will result in lots of 404 Page Not Found errors. When this happens, your search engine rankings will most likely drop. Every site has at least a few internal links because you have to in order to link your content together. But it’s a benefit to your SEO efforts AND for your visitors to add in a few more internal links. It helps people and the search engines find your content easier. According to Gaz Hall, a UK SEO Consultant : "You absolutely should not use underscores. Matt Cutts has confirmed on his blog that Google does not recognize underscores as equivalent to spaces between words. "

Useful tips from experts in quality

Focussing on understanding the intent of the user is not only because it helps in getting conversions or click throughs, it is also important for the SEO perspective and provide value to your visitors. It helps in creating a brand name with trust and accountability. If the same content appears multiple times on your website, search engines must pick the best version of the content for the search results. That can go wrong. It is better to remove duplicate content from your website so that search engines can easily find the most relevant page on your site. This requires a careful planned, structured approach that accurately represents your business and the services you provide. According to Industry thought leaders, that there are numerous ways in which poor internal linking can degrade the ability of search engines to index your web pages. These include linking to pages that can’t be accessed without filling in a form and even linking to content using JavaScript or Flash.