Answer:
The World Wide Web Consortium provide a simple online tool (https://validator.w3.org/) that automatically check your HTML code and point out any problems/errors your code might have, such as missing closing tags or missing quotes around attributes.
Explanation:
your question is not clear
hope it helps
Answer:
Spam
Explanation:
If you receive in bulk the unsolicited messages, then that does mean that your inbox is being spammed. This will not harm you but you will lose the Gb that is allocated to your mailbox. And if you will not check then your mailbox will soon be full, and you might not receive some of the important messages that you should reply to immediately.
C. Both serially and Perullo
Dear ,you should ask it on stackoverflow and geekforgeelks , not here