Links should be relevant to your site and from good quality, trusted sources.
Number of Links
The number of relevant, high quality links to a site is important for rankings, so acquiring links from new domains over time should be a part of an online marketing plan.
Paid for links
Links should be built organically by forming relationships with relevant sites, or building great content, tools and services that attract links naturally. Buying links can result in penalties or a site being removed entirely from search engines.
Building links from low quality sites that use the keywords you wish to rank for within the link (anchor text) are a clear sign to search engines of spammy link building, so should be avoided like the plague.
Domain authority is an algorithmic score calculated by Moz.com?s Open Site Explorer tool that measures a domains strength. It can be used to track a domain?s authority over time and rate sites for link building.
It is important to have a strong social presence and get shares from relevant industry bodies. To achieve the best results, you should be active on Google+, Facebook, Twitter, and LinkedIn.
Links from relevant, high quality, sites and content that have been gained naturally and pages that have been shared naturally appear much more trustworthy to search engines and are much more likely to rank organically as a result.
Page load speed
Download speed is becoming a top ten ranking factor and has major benefits for mobile visitors as well as the usability of a site. Optimising for fast download times should be a key consideration of site design and maintenance.
Using paid media of targeted news site to place key content in front of a relevant audience to drive traffic, build awareness and encourage linking / social sharing.
Research, find, and establish relationships with bloggers in your field. Work with them to create content that results in brand awareness and online coverage.
The process of gaining trustworthy, quality links to your website, primarily through building great content and sharing via blogger outreach, social and online PR.
If a page can be accessed via two or more URLs, for example with and without the www in place, your site might have a canonical URL problem.