Why technical on-page SEO is important

You can optimize your page for search engines by making the code easier for them to index, crawl, and identify. The major objective of performing a technical on page SEO is to optimize a website’s infrastructure.
The following elements should be included in technical SEO:
1) Site Architecture - A proper site architecture is essential for XML sitemaps and breadcrumbs to help search engines index your pages. The following elements make up good site architecture:
a) Sitemap
B) Robots.txt
c) Breadcrumbs
2) Website speed - A study claims that 53% of visitors to mobile sites abandon a page that takes more than three seconds to load. Your websites should load quickly to boost your rankings in the search engine result pages (SERPs) with help of technical on-page SEO.
3) Mobile-friendliness - Mobile-friendly designs look great and are easy to understand on small screens. With a drastic rise in people surfing the internet on their mobile devices, mobile browsing is experiencing constant growth.