What are your basic metrics for judging a website as a Product Manager or Developer?

Every website development project has its requirements. A lot of times, these requirements come from the purpose of the website.

That being said, there are some basic requirements we expect some web development projects to have as product managers or developers. These may include

• SEO friendliness
• Low time-to-first-byte (TTFB)
• Low time-to-first-interaction (TTFI)
• Accessibility

Others may include PWA, performance-related metrics and so on.

What are the basic standards you try to meet when you have a web development project (personal or contracted)?