What is Technical SEO?
Technical SEO is used to strengthen a website's foundation so that search engine bots may more efficiently crawl and index the pages on your website.
In order to improve a website's technical aspects and boost its likelihood of appearing higher on search engine results pages, technical SEO is a process (SERPs). High-level technical SEO skills are needed to optimize your website's performance across the board for search engines.
The three main elements of a solid technical SEO plan for a website include decreasing page load times, making web pages simpler for search engines to crawl, and providing search engine algorithms with enough information about your website to correctly index it. On-page SEO includes technical SEO as a subset. It mainly focuses on improving numerous areas of your website that can improve its reputation with search engines.

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Why is Technical SEO Important?
Even with the best content and a website of the highest caliber, poor technical SEO will prevent it from ranking. Why? Search engine algorithms should be able to access your pages so that they may crawl them, understand the content, and index them for pertinent search queries.
Search engines can basically understand the content of your pages thanks to technical SEO. Giving out details about the content, internal and external links, metadata, image descriptions, and much more is part of this. This is only the proverbial tip of the iceberg. Duplicate content, slow website loads, and mobile optimization are just a few of the aspects that make up technical SEO.
This does not imply that you must achieve technical SEO perfection for your website in order to rank. However, having it optimized facilitates search engines' tasks and raises your position in SERPs.
Why should you optimize your site technically?
Maintaining your website's technical optimization is crucial for both users and search engines.
Search engines work hard to give users the best results possible for their queries. Because of this, Google's bots crawl through all of your web pages and assess them based on a number of criteria. The speed at which a website loads, how well the material is understood, the utilization of structured data, and many other technological factors all affect this process.
This makes it easier for search engines to understand the precise subject matter of your website.
Similar to this, technical SEO is extremely important for user experience.A website that loads quickly, has good navigation, and is easy to use will keep visitors interested. The user experience of your website can be greatly enhanced by having a strict technological foundation.
Top 15 Advance Technical SEO Checklist
It's normal to feel overwhelmed by the sheer volume of tasks required to improve your website. To improve user experience on your site and to make it rank higher in Google's organic search results, simply go through the following technical SEO audit checklist. Here is a list of the top 15 technical SEO best practices you should follow to make your website search engine friendly:
HTTPS version
Mobile-friendly website
Implementation of structured data markup
Site speed
Optimize your crawl budget
Optimum XML sitemap
AMP implementation
Avoid 404 pages
Canonicalization
Name your preferred domain
Breadcrumb Menu
JavaScript
Pagination
Avoid Duplicate and Thin Content
Hreflang for International Website