Full Stack Developer

Clinical Skills Institute is seeking an expert\-level Wix performance specialist to optimize the speed, Core Web Vitals, tracking configuration, and mobile user experience of our high\-traffic website: https://www.clinicalskillsinstitute.com This is not a general website\-design, SEO\-content, or image\-compression project. We need someone with advanced experience in Wix Editor, Velo, Google Tag Manager, Google Ads conversion tracking, GA4, TikTok Pixel, Meta Pixel, third\-party applications, and Core Web Vitals. Current Performance Findings Our preliminary technical audit identified: * Approximately 412 network requests on the homepage * Approximately 193 JavaScript requests * Approximately 4\.48 MB of transferred JavaScript * Duplicate Google Tag Manager loading * Multiple Google Ads and Google Analytics loaders * Two separate TikTok pixels * A suspended AnyTrack installation * An expired accessiBe installation that continues loading scripts * An unidentified script producing a Wix 404 error * A TikTok event with an invalid event name * Outdated Velo code attempting to open a deleted popup * An immediate full\-screen promotional form on mobile * Approximately 46 homepage sections and 3,500 DOM elements * Heavy Wix Form, FAQ, chat, gallery, video and third\-party components Project Scope The selected specialist will: 1\. Conduct a Complete Performance Audit * Establish mobile and desktop performance baselines * Review Wix Site Speed, Core Web Vitals, Lighthouse and Chrome DevTools data * Identify render\-blocking resources, excessive JavaScript, long tasks, layout shifts and third\-party overhead * Document all findings before making changes 2\. Audit and Correct Analytics Tracking * Create a complete map of all installed tracking tools and conversion IDs * Identify why Google Tag Manager container GTM\-M8QH47F7 loads more than once * Consolidate Google Tag Manager, GA4 and Google Ads implementation * Preserve required Google Ads conversion tracking * Investigate the following Google identifiers and eliminate unnecessary duplicate loaders: * G\-L9MXPPSFY5 * AW\-17226826368 * AW\-16816472781 * GT\-PHXRXKWT * GTM\-M8QH47F7 * Investigate two active TikTok pixels and retain only the correct implementation * Correct the invalid TikTok event * Review Meta Pixel, Microsoft Clarity, Cometly and other attribution tools * Remove broken, abandoned or duplicate tracking scripts * Use GTM Preview, Google Tag Assistant, GA4 DebugView and advertising\-platform event tools to validate the final configuration No tracking tag may be removed without first identifying its purpose and verifying that it is not required for advertising attribution or enrollment conversion reporting. 3\. Remove Broken and Unnecessary Code * Remove the suspended AnyTrack implementation * Remove or correctly reactivate the expired accessiBe integration * Identify and remove the script generating the Wix 404C error * Audit all Wix Custom Code entries * Remove outdated Velo c