blog optimixation business growth buyer persona Cumulative Layout Shift customer relationship Digital branding First Contentful Paint First Input Delay Google’s page speed Guest posting Image and Text Compression Instagram photo instagram photo remix Instagram stories Interaction to Next Paint Largest Contentful Paint link audit LinkedIn competitor audience LinkedIn engagement Linkedin group Linkedin keyword Linkedin lead LinkedIn markert research Linkedin Marketing Linkedin page market research meta description minification pagespeed audit photography potential customers SEM seo audit tools seo score seo tools Social Media social media conversion social media engagement social media feedback social media interaction social media marketing Speed Index metric tiktoktips tiktoktrend tiktok trending sounds