SEO - Search Engine Optimization

Close Accurately describe the page's content, Create unique title tags for each page, Use brief, but descriptive titles.
Make use of the "description" meta tag, Accurately summarize the page's content, Use unique descriptions for each page
Improve the structure of your URLs, Simple-to-understand URLs will convey content information easily, Use words in URLs, Create a simple directory structure, Provide one version of a URL to reach a document.
Make your site easier to navigate, Plan out your navigation based on your homepage, Ensure more convenience for users by using ‘breadcrumb lists’, Allow for the possibility of a part of the URL being removed, Prepare two site maps: one for users, one for search engines, Create a naturally flowing hierarchy, Use mostly text for navigation, Put an HTML site map page on your site, and use an XML Site map file, Have a useful 404 page.
Offer quality content and services, Interesting sites will increase their recognition on their own, Anticipate differences in users' understanding of your topic and offer unique, exclusive content, Write easy-to-read text, Stay organized around the topic, Create fresh, unique content, Create content primarily for your users, not search engines
Write better anchor text, Suitable anchor text makes it easy to convey the contents linked, Choose descriptive text, Write concise text, Format links so they're easy to spot, Think about anchor text for internal links too
Optimize your use of images, Image-related information can be provided for by using the "alt" attribute, Store files in specialized directories and manage them using common file formats, Use brief, but descriptive filenames and alt text, Supply alt text when using images as links, Supply an Image Site map file
Use heading tags appropriately, Use heading tags to emphasize important text, Imagine you're writing an outline, Use headings sparingly across the page.
Make effective use of robots.txt, Restrict crawling where it's not needed with robots.txt, Use more secure methods for sensitive content.
Be aware of rel="nofollow" for links, Combat comment spam with "nofollow", Automatically add "nofollow" to comment columns and message boards.
Notify Google of mobile sites, Configure mobile sites so that they can be indexed accurately, Verify that your mobile site is indexed by Google, Verify that Google can recognize your mobile URLs.
Guide mobile users accurately, Running desktop and mobile versions of your site, Redirect mobile users to the correct version, Switch content based on User-agent.
Promote your website in the right ways, About increasing back links with an intention to increase the value of the site, Master making announcements via blogs and being recognized online, Know about social media sites, Reach out to those in your site's related community.
Make use of free webmaster tools, Make Googlebot crawling smoother by using Webmaster Tools, High-level analysis is possible via Google Analytics and Web site Optimizer.