Network Questions

  • Traditionally, why has it been better to serve site assets from multiple domains?
  • Do your best to describe the process from the time you type in a website’s URL to it finishing loading on your screen.
  • What are the differences between Long-Polling, Websockets and Server-Sent Events?
  • Explain the following request and response headers:
    • Diff. between Expires, Date, Age and If-Modified-…
    • Do Not Track
    • Cache-Control
    • Transfer-Encoding
    • ETag
    • X-Frame-Options
  • What are HTTP methods? List all HTTP methods that you know, and explain them.
  • What is domain pre-fetching and how does it help with performance?
  • What is a CDN and what is the benefit of using one?