Why it matters
Facebook renders the first share immediately only when width and height are declared, and they must match the real image.
How to fix it
Use the opengraph-image file convention (Next emits width, height, type and alt) or set them in openGraph.images.
References
More seo rules
void seo reports 60 rules in this category. What search engines need from the raw response: status codes, titles and descriptions in <head>, self-referencing canonicals, one h1, crawlable links, Open Graph, icons, robots.txt and a sitemap with real dates.
og-missingRequired Open Graph tags missing (og:title, og:type, og:image, og:url)og-incompleteog:description / og:site_name missing, or og:url ≠ canonicalog-image-invalidog:image isn't a reachable, absolute, raster image within size limitsog-image-sizeog:image is smaller than 1200×630 or far from 1.91:1twitter-cardtwitter:card missingfaviconNo crawlable favicon in a Google-supported formatapple-touch-iconapple-touch-icon missing or not a 180×180 PNGmanifestWeb app manifest missing or incomplete