• What is meant by Cost of Rendering?

  I recently saw a post on Linkedin that asked a question about "cost of rendering." Martin Split answered it with a couple of sentences but his answer didn't make any sense to me. Can you please explain what is meant by cost of rendering and why it's important?

Answer: In the context of website performance and SEO, the "cost of rendering" refers to the resources (primarily CPU time and network bandwidth) required by a web browser to display a webpage.

Here's a breakdown.

Key Factors Affecting Rendering Cost:

• Page Complexity:
  • HTML, CSS, and JavaScript: The more complex the code, the longer it takes for the browser to parse and execute it.
  • Number of DOM Elements: A large number of elements can slow down rendering.
  • Image and Video Content: High-resolution or poorly optimized images can significantly impact load times.
• Network Requests:
  • Number of Requests: Each request to the server adds overhead.
  • Request Size: Larger files take longer to download.
  • Server Response Time: The time it takes for the server to process and send a request.
• Browser Processing:
  • JavaScript Execution: C...