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Learn how to make your websites faster, lighter, and more efficient. Explore Q&As covering Core Web Vitals, caching, image optimization, lazy loading, and modern speed techniques that enhance both SEO and user experience. Every answer focuses on real-world improvements that deliver measurable results.

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    Performance Q&A's are automatically generated daily after 12:00 AM through our proprietary AI-assisted system. Just like humans, AI sometimes revisits similar questions — because new data or insights can lead to different answers. Purchase tags to help expand and support the Q&A Network.

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    What causes a slow fcp and how can I optimize it efficiently?

    Asked on Saturday, Sep 20, 2025

    A slow First Contentful Paint (FCP) can be caused by render-blocking resources, inefficient server response times, or large CSS and JavaScript files. Optimizing FCP involves minimizing these bottlenec…

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    How do I improve fid by deferring non-critical async-js?

    Asked on Friday, Sep 19, 2025

    Improving First Input Delay (FID) involves ensuring that the main thread is free to respond to user interactions quickly. Deferring non-critical JavaScript can help by allowing the browser to prioriti…

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    Should I use brotli or gzip compression for better performance?

    Asked on Thursday, Sep 18, 2025

    Using Brotli compression generally provides better performance than Gzip due to its higher compression ratios, which can lead to faster page load times by reducing the size of transmitted files. Examp…

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    Why does my site have a large total-blocking-time (tbt)?

    Asked on Wednesday, Sep 17, 2025

    Total Blocking Time (TBT) measures the time during which the main thread is blocked, preventing user interactions. A large TBT often indicates that your site has long-running tasks or heavy JavaScript…

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