Serve Images in Modern Formats like WebP for Faster Loading
Performance Analyzer
What is this warning?
You are using older image formats like JPEG or PNG. Modern formats like WebP and AVIF offer much better compression, meaning they can produce smaller file sizes at the same quality. Serving smaller images is one of the most effective ways to speed up your website.
How to Fix This Issue
How to Fix It
The Problem
Using a large JPEG file for a hero image.
The Solution
Convert your images to a modern format like WebP. You can use the HTML `<picture>` element to serve the WebP version to browsers that support it, with a fallback to the original format for older browsers.
Why This Works
Modern image formats can reduce image file sizes by 25-50% or more without a noticeable loss in quality. This has a massive positive impact on page load times, especially for image-heavy pages.
SEO Impact
This issue can affect your site's search engine rankings and user experience.
Addressing it promptly helps ensure optimal performance and visibility in search results.
Automatic Detection
Black SEO Analyzer automatically checks for this warning during site analysis,
along with hundreds of other technical SEO issues.
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