Implement lazy loading: Delay loading of non-critical resources until they are needed.
What is
ETag (Entity Tag) headers are part of HTTP, and are used for web cache validation to determine whether the client needs a fresh copy of a resource or can use a cached version.
Why is it important?
Efficient caching: ET tags help browsers cache resources list of indian phone numbers efficiently, reducing server load and bandwidth usage.
Faster loading times: Proper caching speeds up page loading for returning visitors.
Improved user experience: Users benefit from faster access to content, which improves satisfaction and engagement.
How to adapt
Enable ETag headers:
Configure your web server (e.g. Apache, Nginx) to generate accurate ETags.
Ensure consistency across servers:
If you use multiple servers or a CDN, configure ETags to avoid matches that prevent effective caching.
Use strong validation:
Implement strong ETag validation to ensure that resources are only re-downloaded when they have changed.
Monitor and test:
Use tools like Google's PageSpeed Insights to check ETag configuration and effectiveness.
3. Server response time less than 200 ms
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