What belongs in page metadata
A page title identifies the main topic while the meta description summarizes the value of visiting. Canonical links identify a preferred URL, and Open Graph or Twitter Card tags improve shared-link presentation.
Write for a real search decision
Use specific language that accurately matches visible page content. Put the distinguishing topic early, avoid repeated keywords and give the description a useful reason to visit without making unsupported promises.
Preview, publish and verify
Generate the tags, review likely search and social presentation, then add them to the document head. Search engines and social platforms may rewrite, crop or cache the final presentation, so inspect important live URLs after publishing.