What scenarios are not suitable for lazy loading?
Scenarios not suitable for lazy loading: 1. Key resources: For some key resources, such as page layout, styles, scripts, etc., they need to be loaded immediately so that users can access and use the page normally, so they are not suitable for lazy loading. ; 2. Too many pictures: If there are too many pictures to be displayed on the page, lazy loading may cause slow loading of pictures and affect the user experience; 3. Resources that depend on other resources: If a resource depends on other resources, lazy loading It may cause resources to fail to load correctly; 4. Uncacheable resources: For some resources that cannot be cached, lazy loading cannot achieve caching
Operating system for this tutorial: windows10 system, Dell G3 computer.
Lazy loading is a technology that delays loading resources in web pages that do not need to be displayed immediately. It can reduce page loading time and improve page performance. However, some scenarios are not suitable for lazy loading, including:
- Key resources: For some key resources, such as page layout, styles, scripts, etc., they need to be loaded immediately so that users can access and use the page normally. , so it is not suitable for lazy loading.
- Too many pictures: If there are too many pictures to be displayed on the page, lazy loading may cause the pictures to load slowly and affect the user experience.
- Resources that depend on other resources: If a resource depends on other resources, such as the need to use the ID or name of other resources, lazy loading may cause the resource to fail to load correctly.
- Uncacheable resources: For some resources that cannot be cached, such as dynamically generated content, real-time data, etc., lazy loading cannot achieve caching, which will lead to repeated requests and long loading times.
Therefore, when using lazy loading, it needs to be considered and evaluated based on the specific situation.
The above is the detailed content of What scenarios are not suitable for lazy loading?. For more information, please follow other related articles on the PHP Chinese website!
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