How to do SEO optimization for a new website

"The Baidu snapshot is getting slower, Baidu indexing issues, and keyword rankings are dropping" - these are questions frequently asked in Lu SongSong's guestbook. New webmasters often lose their appetite and can't sleep over these issues. Website promotion is a long process; "haste makes waste," and one shouldn't always expect huge traffic right after setting up a website. Similarly, the SEO process for a website is also quite lengthy. I think this is precisely the reason why new webmasters feel anxious.