The leading search engines, such as Google, Bing and Yahoo!, use crawlers to find pages for their algorithmic search results. Pages that are linked from other search engine indexed pages do not need to be submitted because they are found automatically. The Yahoo! Directory and DMOZ, two major directories which closed in 2014 and 2017 respectively, both required manual submission and human editorial review.[40] Google offers Google Search Console, for which an XML Sitemap feed can be created and submitted for free to ensure that all pages are found, especially pages that are not discoverable by automatically following links[41] in addition to their URL submission console.[42] Yahoo! formerly operated a paid submission service that guaranteed crawling for a cost per click;[43] however, this practice was discontinued in 2009.

Each organic search engine ranking places emphasis on variable factors such as the design and layout, keyword density and the number of relevant sites linking to it. Search engines constantly update and refine their ranking algorithms in order to index the most relevant sites. Other variables that have an impact on search engine placement include the following:

Sure, we did keyword research, we recommended partnerships and widgets and architecture advice, but we didn’t step back and take a good look at our target audiences, what sites were meeting their specific needs in search results, and what we specifically could build into the product that would be far more desirable than what everyone else had (not even thought of yet ideally) to make sure our entire site is superior, resulting in the inevitable stealing of search traffic from our competitors.

Hi Brian! Very good and exactly what I was looking for. I have a problem though, we are creating the first video editing software that edits video WHILE FILMING. We are video geeks with a lot of experience, however we are trying to appeal to GoPro users and video tutorial makers but we have little knowledge in that field. Any suggestions on how we write about that if we have no idea about the space?

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Meta tags. Meta tags still play a vital role in SEO. If you type any keyword into a search engine, you’ll see how that keyword is reflected in the title for that page. Google looks at your page title as a signal of relevance for that keyword. The same holds true for the description of that page. (Don't worry about the keyword title tag -- Google has publicly said that it doesn't pay attention to that tag, since it has been abused by webmasters and all those trying to rank for certain keywords.)
This is excellent and should be intuitive for marketers (and SEO pros are marketers!) but we often take the short cut and neglect critical details. What would also reinforce the strategy is way of providing solid projections for SEO (these could be based on industry trends and statistics). Clients now ask for ways to calculate ROI and they need numbers to get budget approvals. Increase in traffic by X,  increase in qualified traffic and leads, conversions etc, some way of quatifying the expected return.
Black hat SEO attempts to improve rankings in ways that are disapproved of by the search engines, or involve deception. One black hat technique uses hidden text, either as text colored similar to the background, in an invisible div, or positioned off screen. Another method gives a different page depending on whether the page is being requested by a human visitor or a search engine, a technique known as cloaking. Another category sometimes used is grey hat SEO. This is in between black hat and white hat approaches, where the methods employed avoid the site being penalized but do not act in producing the best content for users. Grey hat SEO is entirely focused on improving search engine rankings.