WHY PINGING?
After creating or updating a website, most search engines are most times unaware about your new or updated content in it.
Hence to notify search engines about any updates or changes, this is where pinging comes into play.
Pinging is a technique which alerts search engines about any new content on your website after which it is left for it to be indexed (crawled) by robots to update the website.
WHY INDEXING?
Indexing allows search engines send its robots or spiders to crawl and search for new content to update its search engine database.
Your website and its contents will be seen in all kind of log files and databases that get checked as well by search engines.
This TWO Methods are a MUST-DO for all websites as it helps increase your search engine rankings.
BENEFITS