Instant message push WeChat messages use a real-time push mechanism, which does not require users to manually refresh and load. This is the reason why the entrance of the WeChat applet can boldly achieve a pull-down refresh position. 4. Data loading method Before introducing the basics of data loading in detail, two executive email list loading logics are clarified: lazy loading and preloading. Lazy Loading: As the name implies, lazy mode loads data when entering the page. Preload: Preload data before displaying the page. Most scenarios use lazy loading to save performance executive email list, but preloading can predict users' browsing behavior in advance and ensure the experience. 1. Overall loading Overall loading refers to loading all content and then displaying it to the user. The specific manifestation is blank page loading. Advantages:
It can ensure the integrity of the content and will not cause information loss. Disadvantages: It is very easy to cause waiting anxiety. 2. Distribution loading Distributed loading has also become executive email list priority loading, which loads important parts of the page content in advance. The specific manifestations are: block loading, paging loading, and split-screen loading. (1) Block loading It can be loaded sequentially according to the data type, executive email list such as information applications, the text is loaded first and then the image is loaded. Advantages: It can ensure that users can quickly access content. Disadvantages: Some content is ignored by users due to loading speed limitations, resulting in missing information. (2) Paging loading
For some list or card information, automatic or manual pagination can be used. Advantages: It can display relatively complete content faster. Disadvantage: May have some impact on information retrieval. (3) Split screen loading First load the global page frame, then stay with the page, and then load the corresponding content. executive email list Advantages: saves resources and makes it easy to focus on content. Disadvantages: Only suitable for some pages with large data volume, the information is not satisfied. 3. Smart Loading Smart loading selects different loading schemes executive email list according to the user's network status. In non-WiFi mode: Do not load resources temporarily, prompt the user to consume data, and load it after the user confirms In WIFI mode: automatically load all resources Advantages: more intimate, suitable for video, music and other products that need to occupy a relatively large amount of traffic Disadvantage: It will cause blocking of path access. 4.