Russ Jones, Moz states that "Any sufficiently technical action taken with the intent of improving search results"
Technical SEO may include indexing your website so that Google's web robots can crawl it and index it.
Technical SEO may include reducing your image file size (technically on-page SEO), to speed up your website's loading time.
This includes optimizing your website to be mobile-friendly. Google is very keen to use this metric to rank pages, as so many people are now using mobile devices for search and navigation.
Here you get the free backlink #Guest_blogs, #profile, and #forum list with high PA and DA to improve your business ranking and traffic.