If Google chooses to use your meta description, don’t be surprised if it changes its mind later. This is common. This concept refers to how fast your site loads and how well it performs including on Incostante devices. These things affect user experience, and that’s why they can influence rankings. https://juliusmppmg.mdkblog.com/41016811/i-principi-fondamentali-della-seo-on-page-techniques