DEV Community: Bettal Hamza The latest articles on DEV Community by Bettal Hamza (@lbznaz). https://dev.to/lbznaz https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3936253%2F38d92740-574d-4982-8714-93327e3cfd9a.png DEV Community: Bettal Hamza https://dev.to/lbznaz en Mobile PageSpeed is 78% but desktop is 96% (AI made it worse, need advice) Bettal Hamza Sun, 17 May 2026 13:06:51 +0000 https://dev.to/lbznaz/mobile-pagespeed-is-78-but-desktop-is-96-ai-made-it-worse-need-advice-4pdn https://dev.to/lbznaz/mobile-pagespeed-is-78-but-desktop-is-96-ai-made-it-worse-need-advice-4pdn <p>Hey, I'm new here and want to ask how I can improve the performance of my website (<a href="https://toolyy.net" rel="noopener noreferrer">https://toolyy.net</a>). I just launched it this weekend and tested it on <strong>PageSpeed Insights</strong> get a 78% performance score on mobile, but 96% on desktop. I have tried using some AI tools to optimize it, but they just made it worse. Any advice?</p> webdev beginners react ai