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Prepare sharing previews for web pages

A shared link may be someone’s first contact with a page. A vague or cropped preview gives little reason to open it and may show an old offer.

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Illustration of website project planning: Prepare sharing previews for web pages
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Estimated reading time : 2 min · Published September 29, 2026

Choose essential information

Write a title identifying the page and a short description of its real content. A service page, article and event do not need the same message. Avoid promises absent from the destination.

Check language variants: an English link should not automatically display a French title. The translation review guide includes content surrounding the page.

  • Destination-specific title.
  • Faithful concise description.
  • Preview language consistent.

Prepare an appropriate image

Choose a landscape image that remains understandable after cropping. Do not put essential information in tiny embedded text. A page-specific main photo prevents different links from always displaying the same scene.

Check weight, absolute URL, public loading and rights. The image-search guide also covers page context and alternative text.

  • Subject clear after crop.
  • Public lightweight image.
  • Rights and relevance checked.

Set real metadata

Connect canonical URL, title, description and sharing image to the published page. Open Graph properties describe what platforms can use, but each service retains its own presentation rules.

The sharing image is not automatically the main image for every content item. Inspect the resulting HTML and avoid temporary or relative URLs that fail outside your site.

  • Tags present in final HTML.
  • URLs match the page.
  • No temporary image.

Test and update

Share a URL of each page type in a compatible preview tool or test environment. Check title, image, language and crop. Some platforms may cache an older preview after a change.

Recheck previews after changing domain, main image or offer. The meaningful test is the actually published page, not only the template producing tags.

  • Several page types checked.
  • Cache considered after change.
  • Production check repeated.

Reference documents

Content updated on October 7, 2026

Record checks and findings in the acceptance log

Acceptance matrix to adapt to your project

These proposed checks use synthetic cases. Decide the required behaviour with the team, record the result and assign unresolved gaps before release.

Scroll the table horizontally to read every column. With a keyboard, focus the table area and use the arrow keys.

Test cases, expected outcomes and useful evidence
CaseExpected outcomeEvidence to retain
The Open Graph title describes an ended campaign.Title, description and image reflect the current page.Record URL, steps, result and dated evidence.

Frequently asked questions

Why can sharing previews remain outdated?

Sharing services can maintain a cache separate from the site. First check final-page metadata and image access, then the relevant service tools. Use a representative image with suitable cropping; previews should not promise an offer missing from the page.

Related vocabulary