Guide
Meilleures dimensions d'image pour les en-têtes et miniatures de blog
Choisissez des dimensions cohérentes pour des articles plus propres et plus rapides à charger.
Des tailles d'image incohérentes donnent un rendu brouillon. Des formats standards simplifient la publication et améliorent la lisibilité.
Set one default size for blog headers
Choose a clear header width that matches your content area.
Using one repeatable header size keeps page rhythm and reduces manual tweaking.
Use smaller, consistent thumbnail ratios
Thumbnails should stay visually aligned in cards and sidebars.
Pick one ratio and keep it across category pages and home feeds.
- Use one shared thumbnail aspect ratio.
- Keep text overlays short and centered.
- Avoid mixing portrait and landscape thumbnails in one grid.
Resize for display width, then optimize file weight
Large source files do not improve quality if the rendered slot is smaller.
Resize first, then compress for faster loading and clearer workflow decisions.
Check desktop and mobile crop behavior
Header and thumbnail framing can shift on small screens.
Always preview your selected dimensions in both layouts before publishing.
Keep a mini size guide for your team
A simple shared document avoids repeated guessing.
Include approved widths, ratios, and file naming rules for faster uploads.
Use this when
- Setting image size rules for a blog template.
- Preparing featured images for new posts.
- Cleaning up inconsistent thumbnail layouts.
- Improving mobile readability and page speed.
Set standards and reuse them
Define a few reliable sizes, apply them consistently, and your blog visuals will look cleaner with less editing time.