- October 21, 2023
- Core Web Vitals
Finally, you should also look into using a caching plugin. This will help to reduce the amount of resources that are needed to load your website. Caching can also improve loading times and help to keep your website running smoothly.
In addition to minifying, code splitting, and using a CDN, another strategy that can help improve Core Web Vitals is caching assets. Caching is the process of storing data, like images and scripts, in a browser’s cache so they can be quickly accessed in the future. Caching assets can reduce the amount of data the browser needs to download to render a page, resulting in faster loading times.
When caching assets, it’s important to ensure that the most up-to-date version of the asset is stored in the cache. For example, if a script is updated, the old version should be removed from the cache so the new version can be stored. This ensures that visitors always have access to the latest version of the asset.
It’s also important to set an expiration date on cached assets. This tells the browser to replace the cached asset with a newer version after a certain amount of time. This prevents the browser from having to download the same asset again and again, which can save time and reduce the amount of data transferred.
Finally, it’s important to make sure that only the necessary assets are being cached. Unused assets can take up valuable storage space and increase load times, so it’s important to identify any assets that aren’t needed and prevent them from being cached.
Caching assets is a great way to improve Core Web Vitals and reduce loading times. By setting expiration dates, making sure the latest version of an asset is stored, and preventing unused assets from being cached, you can ensure that visitors have a fast and enjoyable experience on your website.
- Test the page performance after each optimisation. This will help you to see if the optimisations have improved the page loading time.
Continuing on from the performance debugging, deferring scripts is another way to help reduce page loading times and improve Core Web Vitals. This process involves delaying the loading of certain scripts until after the initial page load, which can help to reduce the amount of time it takes for a page to become interactive. By deferring the loading of scripts that are not essential for the initial page load, you can improve your Core Web Vitals scores and give your users a better experience.
It’s important to note that not all scripts can be deferred. Some scripts are essential for the initial page load, and must be loaded before the page can be rendered. If you have a lot of scripts that can be deferred, it’s worth taking the time to test out different configurations to determine which scripts can be deferred and which must be loaded immediately.
Minimising File Sizes
- Remove Unused Code: Ensure that all scripts are necessary and remove any unnecessary code.
- Use Code Splitting: Code splitting is a technique that involves splitting the code into smaller chunks, allowing the browser to download only the necessary code for the current page.
In addition to minimising file sizes, another way to improve Core Web Vitals is by managing dependencies; this means ensuring that all third-party libraries are up-to-date and correctly implemented. Doing so can help reduce loading times and maximise performance. When implementing third-party libraries, it’s important to make sure that only the code necessary for the project is included. This helps to minimise the size of the application, as well as improve the speed of loading. Additionally, it’s important to make sure that the library is always kept up-to-date. Outdated libraries may contain bugs or security vulnerabilities that can make a website vulnerable to attack. Keeping the library up-to-date also ensures that any new features and improvements are taken advantage of.
It’s also important to consider the number of third-party libraries that are included in your project. Having too many libraries can lead to slower loading times. This is because each library needs to be downloaded and parsed, adding to the total loading time. Additionally, if two libraries have the same functionality, it’s best to use only one to further reduce loading times. Finally, when possible, it’s also a good idea to use libraries that are hosted on a content delivery network, as these can be served to visitors more quickly.
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