Job Description:
We are seeking an experienced and trustworthy professional to optimize our website (wreckedrefined.com) to improve performance and load times. The tasks include optimizing images, reducing JavaScript execution time, minimizing main-thread work, and implementing best practices based on our performance diagnostics.

Specific Tasks:

Reduce JavaScript Execution Time: Implement deferring and async loading, minify and optimize JavaScript files.
Minimize Main-Thread Work: Use web workers and optimize code to reduce main-thread blocking.
Reduce the Impact of Third-Party Code: Optimize third-party code to reduce main-thread blocking (currently 3,550 ms).
Largest Contentful Paint (LCP) Optimization: Improve LCP (currently 21,800 ms).
Eliminate Render-Blocking Resources: Reduce render-blocking resources (potential savings of 1,500 ms).
Reduce Unused CSS: Clean up and optimize CSS (potential savings of 179 KiB).
Avoid Excessive DOM Size: Simplify and streamline HTML structure (currently 967 elements).
Reduce Unused JavaScript: Identify and remove unused JavaScript (potential savings of 981 KiB).
Serve Images in Next-Gen Formats: Convert images to WebP or similar formats (potential savings of 1,931 KiB).
Properly Size Images: Ensure images are appropriately sized (potential savings of 1,387 KiB).
Enable Text Compression: Implement Gzip or Brotli compression for text assets (potential savings of 5 KiB).
Use Video Formats for Animated Content: Optimize animated content using video formats (potential savings of 99 KiB).
Serve Static Assets with an Efficient Cache Policy: Implement effective caching strategies (5 resources identified).
Ensure Text Remains Visible During Webfont Load: Optimize webfont loading.
Defer Offscreen Images: Implement lazy loading for offscreen images (potential savings of 3 KiB).
Avoid Serving Legacy JavaScript to Modern Browsers: Update to modern JavaScript (potential savings of 21 KiB).
Avoid Enormous Network Payloads: Optimize overall payload size (currently 5,418 KiB).
Avoid Long Main-Thread Tasks: Address long main-thread tasks (18 long tasks found).
Avoid Large Layout Shifts: Optimize layout to reduce shifts (1 layout shift found).
Avoid Non-Composited Animations: Optimize animations for performance (1 animated element found).
Avoid Chaining Critical Requests: Optimize critical request chains (18 chains found).
Requirements:

Proven experience in website performance optimization.
Familiarity with tools like Google PageSpeed Insights, Lighthouse, WebPageTest, etc.
Experience with image optimization tools (Squoosh, TinyPNG, ImageOptim).
Strong knowledge of JavaScript, CSS, and HTML optimization techniques.
Ability to implement lazy loading, web workers, and efficient caching.
Excellent communication skills and attention to detail.
Deliverables:

Improved website performance metrics based on the tasks listed.
Detailed report on changes made and their impact on performance.

Posted On: July 08, 2024 22:06 UTC
Category: Web Design
Skills:JavaScript, Web Development

Country: United States

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