How do you ensure that a website is optimized for performance and loading speed in high-traffic situations?
- garrone
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Sample interview questions: How do you ensure that a website is optimized for performance and loading speed in high-traffic situations?
Sample answer:
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Optimizing Images: Properly optimize images for web by resizing, compressing, and using the correct file formats. Implement lazy loading and image sprites techniques to minimize the number of HTTP requests.
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Leverage Browser Caching: Implement browser caching mechanisms, such as setting cache headers, to reduce the number of server requests for frequently accessed resources. It helps speed up repeat visits to the website.
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Minify CSS and JavaScript Files: Minify CSS and JavaScript files to reduce their size, eliminating unnecessary characters like whitespace, comments, and newlines. Minification speeds up the loading time.
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Reduce Redirects: Minimize the number of redirects on a website. Each redirect adds a slight delay to the loading process.
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Use a Content Delivery Network (CDN): Employ a CDN to distribute static content, such as images, CSS, and JavaScript files, from multiple locations worldwide. This reduces the distance between the user and the server, improving loading speed.
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