The significant influence factors of incubation period were exposure site and age.

狂犬病例暴露部位、年龄是影响潜伏期的重要因素。

To maximize your exposure, consider different types of users and offer them multiple levels of user interaction which would bring them back to your site.

为了最大化你的曝光量，考虑不同类型的用户，然后为他们提供不同层面的用户互动以把他们拉回你的网站。

404 errors and broken links also have negative effects on your search engine rankings so it is quite reasonable to be proactive in avoiding them to improve exposure and increase site traffic.

404错误和失效链接对于你的搜素引擎排名也是有负面影响的，因此主动避免失效链接的出现可以有效的高网站曝光率以及增加网站流量。