How developer.mozilla.org Looks on Slack

50/100
Poor
3 fixes recommended

This page shows how developer.mozilla.org appears when shared on Slack. The current preview headline reads "MDN Web Docs". A description is set but no image - meaning the preview will render without a visual. Overall, developer.mozilla.org's setup scores 50/100 against Slack best practices.

Slack preview

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Slack

developer.mozilla.org

MDN Web Docs

The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

Analysis

developer.mozilla.org's social setup currently has 1 error and 2 warnings that affect how it renders on Slack. The most impactful fixes are listed below - they range from missing required tags to image dimensions that will be cropped or rejected by specific platforms.

In particular: no social share image found; no og:title - falling back to <title> tag; missing og:type tag. Each of these has a one-line fix in the recommendations panel above.

Frequently Asked Questions

No - developer.mozilla.org does not set an `og:type` meta tag. Most platforms default to `website`, but explicitly declaring it ensures consistent rendering.

See developer.mozilla.org on other platforms

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