diagrams.net Social Share Preview
diagrams.net has been validated across all 6 major social platforms. The current preview headline reads "draw.io". Neither a description nor an image is configured, which produces a sparse preview. Overall, diagrams.net's setup scores 28/100 against cross-platform best practices.
Previews across all platforms
Twitter / X
summary_large_image
www.drawio.com
draw.io
summary (active)
www.drawio.com
draw.io
Large card (image ≥ 600px wide)
www.drawio.com
draw.io
Compact card (image < 600px wide)
www.drawio.com
draw.io
Google Search
Search result
www.drawio.com
www.drawio.com
draw.io
draw.io
www.drawio.com
Slack
www.drawio.com
draw.ioDiscord
www.drawio.com
draw.ioAnalysis
diagrams.net's social setup currently has 1 error and 4 warnings that affect how it renders across social platforms. 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; no description found. Each of these has a one-line fix in the recommendations panel above.
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