1. SEO takes time to be effective 

  SEO is a long term process and results are not immediate. Typically, it takes at least 3 months for a new website to see significant results. This 3-month period can be used as an evaluation phase of SEO, allowing you to continuously monitor and optimize your website's performance.

2. Search engines need time to crawl and analyze data. 

  Google等搜索引擎對網站的抓取和數據處理需要一定的時間。通常來說，抓取過程會花費7到15天左右，這期間還包含快照緩存、關鍵字排名等。對於新站來說，這段時間尤為重要，因為它正處於新站期和考核期，這時搜索引擎會仔細評估網站的品質與價值。

3. Search engines will gradually improve the ranking of keywords. 

  Even for old websites, search engines do not rank a large number of keywords at once. Search engines will consider the true value of the site and increase the rankings in stages. Therefore, it makes sense to keep optimizing your website on a 3-month cycle, which you can use for content updates, keyword adjustments, and other SEO strategies.

4. Reasonable SEO cycle to avoid risks 

  Some SEO services may tell you that you will see results in a short period of time, but this usually involves malpractice, which can lead to penalties from search engines and even affect the long-term development of the site. Under normal circumstances, SEO should take between 3 and 12 months to take effect, and gradually as the site's weight increases.