There are certain important technical SEO factors that affect most websites, regardless of the type or the industry they belong to. It is crucial for web developers and testers to keep in mind a list of SEO considerations when they launch or redesign a website. A list with all the significant points covered like domain selection, on-page HTML elements, URLs, status codes, internal linking, and image SEO, among others, can be of great help.
Here is an infographic by TestLodge with a detailed information on important SEO considerations for web developers and testers.