Web designers play a massive role in how well a site performs in search...

https://wiki-club.win/index.php/ImageOptim_vs._Kraken:_Which_Tool_Wins_for_Your_Website%E2%80%99s_Performance%3F

Web designers play a massive role in how well a site performs in search rankings. If you want to build sites that search engines actually love, you must prioritize mobile-first indexing and responsive design from the start