Optimized URLs: Try to use static and keyword-rich URLs. Should be less than 255 characters and use hyphens to separate the different parts.

Title Tag: Major ranking factor which denotes your headline. Wrap your title tag in an H1 tag

Meta description: It describes your service briefly and should be 120-155 characters

Content: Use long content and your keyword should appear in the first 100-150 words of the article.

Keyword: Have a keyword density of atleast 1%

Image optimization: Use appropiate size of images with alt text, caption and description

Internal link: Interlinking pages on your site can pass their strength between them

Outbound links: Linking to authoritative pages sends trust signals to the search engine

Breadcrumb navigation: It allows users to navigate your website in a structured way

Sitemap: Most effective way to tell Google that what pages your website includes. To generate site map use https://www.xml-sitemaps.com/

Robots.txt: This text file tells the search engine crawlers which parts to web and which parts to leave alone

301 Redirection: This search engine frienly method has lots of usages such as avoid duplicate site, passes 90-99% of link juices to the redirected page, and indicates that an old link has been replaced by a new one

Customized Error page: This 404 error page helps you to redirect your users if they landed on error pages