How do you ensure that a website is optimized for performance and loading speed across different network conditions?

Sample interview questions: How do you ensure that a website is optimized for performance and loading speed across different network conditions?

Sample answer:

Leverage Browser Caching:
Implement browser caching mechanisms to store frequently accessed resources locally, reducing server requests and improving loading speed.
Set appropriate cache headers (e.g., Cache-Control, Expires) to control the caching behavior of static assets.
Optimize Images:
Compress images using lossless or lossy compression techniques to reduce file sizes without compromising visual quality.
Use appropriate image formats (e.g., JPEG, PNG, WebP) based on the image’s characteristics and intended use.
Consider using image sprites or CSS image replacement techniques to reduce the number of HTTP requests.
Minify and Concatenate Resources:
Minify CSS, JavaScript, and HTML code to remove unnecessary characters, whitespace, and comments, reducing file sizes.
Concatenate multiple CSS and JavaScript files into a single file to minimize the number of HTTP requests.
Enable GZIP Compression:
Implement GZIP compression to reduce the size of HTTP responses, resulting in faster loading times.
Configure your web server to automatically compress supported file types (e.g., CSS, JavaScript, HTML, images).
Optimize CSS and JavaScript Delivery:
Use CSS and JavaScript minifiers to reduce the size of code files.
Deliver CSS files asynchronously using the <link rel="stylesheet"> tag with the media="print" attribute.
Deliver JavaScript files asyn… Read full answer

Source: https://hireabo.com/job/6_0_8/Web%20Designer

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