Modern CSS Radar
Scan a public page to find custom code the browser could handle natively, with evidence and browser support for every recommendation.
Modern CSS Radar launched on September 3, 2026 with 2 votes, #2,316 of 8,093 launches that month.
What it does
Scan a public page to find custom code the browser could handle natively, with evidence for every recommendation.
Find custom code the browser could handle natively, with the evidence and browser support to decide safely. We’ll email the report and occasional CSS updates. Unsubscribe anytime. Deleted after 30 days. Privacy details . The report turns the scan into an action plan: verified replacements with evidence, what to test, and a checklist you can use before shipping. You can also print or save the full report as a PDF. Why this was flagged: The page uses script-managed modal surfaces without native <dialog> behavior. The scanner checks 20 code and behavior patterns plus 11 CSS quick wins, then reports only recommendations backed by captured evidence. These become findings only when the scanner…from cssradar.com
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