Emulates a Moto G4 to detect tap targets <44px, unreadable font sizes, horizontal scroll, and missing viewport meta — the mobile-first indexing killers.
Every crawl runs a headless mobile emulation and grades tap-target size, font size, viewport, and horizontal overflow.
<meta name="viewport"> present with width=device-widthSite details → Mobile.
<meta name="viewport" content="width=device-width, initial-scale=1">.It matches Google's mobile-first crawler profile.
Usually — but plugin widgets and third-party embeds are the common offenders.