Rank Math is one of the most-installed SEO plugins on WordPress, and a big reason editors choose it is the per-post Social tab. You can set a unique og:image, og:title, and og:description for every post and Rank Math writes those tags into the head. The catch is that the image still has to come from somewhere, which usually means a designer file, a Canva export, or whatever feature image happens to be on the post.

SleekPixel solves the source problem. We render the OG image from a template you design once, populated with fields from the post itself: title, category, author, custom fields, taxonomy terms. On save, the PNG lands in uploads and the URL gets handed to Rank Math's social meta. Editors stop thinking about social art entirely because the card is a byproduct of publishing.

The two plugins do not overlap. Rank Math owns the SEO surface: keyword analysis, schema, sitemaps, redirects, and the meta tag layer. SleekPixel owns image rendering. Rank Math reads the og:image we set and writes it into the head exactly as configured. The combination means every post on the site, including the backlog, ends up with a real share preview.

Rank Math's per-post social field is one of the most useful editorial tools the plugin ships, but it's also one of the most under-used because filling it requires a graphics workflow most teams can't sustain. The result is a long tail of posts with either a stretched feature image or a fallback site logo as their share card. SleekPixel turns that field from a manual upload into an automated render, which means the long tail disappears and every Rank Math post in the archive shares with a branded card.

Rank Math keeps controlling the SEO output exactly as configured. SleekPixel just makes the image side actually happen at scale.