I feel good about WordPress after running it for a while. The only problem came from Jetpack. This is supposed to be a WordPress extension with rich features. However, every time I examine performance of this website, I can always find issues caused by Jetpack. For example, using customize CSS will double the load time of website. If you enable share feature, your website will load lots of images that are not needed for current page. Obviously, in the development of Jetpack, performance does not gain enough attentions. By this moment, I have to gradually disable different Jetpack features. I even found out that some content was still serving after disabling corresponding feature in Jetpack!

Because of all weird behaviors, I start to consider cleaning up all issues left by Jetpack myself. Also, I want to write it down and add to “flog” category so that more visitors can know and take into their own considerations.