Responsive design is one among many other approaches to website design that allows users to view all of the content on a certain site, regardless of platform. Responsive web design, at its bear simple way, is a combination of adjustable screen resolutions and resizable images that can be stretched,
squashed or even overlapped to let users navigate a website without having to zoom in and out to see the entire content of the page if they are on a mobile or tablet device.
Responsive design come to this flexibility through a number of means; most importantly by dividing segments of a website up into fluid grids and flexible images. When a user accesses the website using a device with a wider screen, like a laptop, the elements within the grid will expand to fill the new area. Identically, when the screen is smaller, like the display of a mobile phone, those elements shrink allowing them to properly fit the screen, or even be re-organized entirely while still displaying the same information.
Responsive website design allows webmasters to avoid creating separate pages for PC, mobile phone and tablet users. Nowadays, more and more powerful mobile devices have access to the internet, making the use of responsive web design a must to have. Utilizing responsive design can also help prevent lowered ranking by avoiding the serving of duplicate content to the search engines.
In spite of many positive features, using responsive website design may not always be the best choice for webmasters and website owners. Exercise this sort of web design takes a significant amount of time, technical and development skills set and often a team of designers to execute it properly. For smaller websites with lower budgets, responsive web design might not be the best choice. Websites that specifically display large amount of content can also have difficulty with responsive website design, as heavy content quantity can be difficult to insert into resizable grids. keep in mind: If a website has a complex user interface or navigation system, such as Apple, it becomes increasingly difficult to resize the screen appropriately.
If you would like to learn more about Google's PageRank®, you can find a wad of detailed articles on the American Mathematical Society's website: How Google Finds Your Needle in the Web's Haystack.
Flash is one of the technologies that became popular in the 2000's and caused a lot of havoc for organic search engine rankings, as websites solely based on Flash could not provide what the search engines needed to properly evaluate the contents of the website. So, if you are going to use Flash, make sure that your entire site is not wrapped around with Flash, and that you are only using Flash components that are not going to take the place of your main content. Nowadays, Flash is barely used anymore, and most the websites you see have opted for non Flash elements.
Search engines go through web page HTML from top to bottom and from left to right, so it is important to give the crawlers, the content as close as possible to the top of your HTML code. This way, the crawler does not have to wade through extraneous code to parse out the content which it is going to be used to determine what the page is about, which will ultimately impact the site's ability to rank well in the search engine result pages.