Viewport Statistics Reportscreensize.netScreenScreen Size CheckerScreen Resolution CheckerViewport Size CheckerDevice Pixel Ratio CheckerBreakpointsResponsive Breakpoint CheckerTailwind BreakpointsBootstrap BreakpointsCSS Media Query BreakpointsResponsive Design TestingViewport BookmarkletResponsive Screen Size WidgetCalculatorsResponsive Image CalculatorPPI CalculatorAspect Ratio CalculatorTV Size CalculatorDevicesDevice Screen SizesPhone Screen SizesTablet Screen SizesLaptop Screen SizesScreen Size ComparisoniPhone Screen SizesiPhone Viewport SizesSamsung Galaxy Screen SizesCommon Screen ResolutionsOnline RulerGuidesScreenScreen Size CheckerScreen Resolution CheckerViewport Size CheckerDevice Pixel Ratio CheckerBreakpointsResponsive Breakpoint CheckerTailwind BreakpointsBootstrap BreakpointsCSS Media Query BreakpointsResponsive Design TestingViewport BookmarkletResponsive Screen Size WidgetCalculatorsResponsive Image CalculatorPPI CalculatorAspect Ratio CalculatorTV Size CalculatorDevicesDevice Screen SizesPhone Screen SizesTablet Screen SizesLaptop Screen SizesScreen Size ComparisoniPhone Screen SizesiPhone Viewport SizesSamsung Galaxy Screen SizesCommon Screen ResolutionsOnline RulerGuidesHome/Viewport Statistics ReportViewport Statistics ReportAnonymous aggregate viewport measurements from ScreenSize.net browser sessions, with sample size, quality exclusions and methodology shown alongside the results.Aggregate sessionsNo reporting period yetQuality rules v1StatusTemporarily unavailableQualified samples0Excluded samples0Collection periodNo reporting period yetAggregate data is temporarily unavailable. The viewport tools continue to work without the report.MethodologyHow to read this reportThe report describes this site's measured browser sessions, not global device or browser market share.Collection and privacyA browser tab contributes at most one sample during its session. Measurements are rounded into monthly aggregate buckets. No IP addresses, user IDs, precise timestamps or full user-agent strings are stored. Global Privacy Control and Do Not Track signals are honored.Quality and limitationsViewports wider than 6,000 CSS pixels or taller than 4,000 are excluded from published distributions. Historical DPR values are normalized to 0.05 steps. Device class is inferred locally and remains an approximation; legacy tablet classifications are excluded.Audit detailsRaw samples0Dimension anomalies0Legacy tablet samples0Related toolsViewport Size CheckerSee your browser's CSS viewport size and window size live. Updates as you resize — with current responsive breakpoint for developers.→Device Pixel Ratio CheckerCheck your device pixel ratio (DPR) instantly and understand the difference between CSS pixels and physical pixels, with visual examples.→Common Screen ResolutionsReference list of common screen resolutions and viewport sizes across desktop, laptop, tablet and mobile, with aspect ratios and usage notes.→Screen Resolution CheckerCheck the screen size reported by your browser in CSS pixels, see an estimated physical pixel grid, and learn how it differs from native resolution.→ScreenScreen Size CheckerScreen Resolution CheckerViewport Size CheckerDevice Pixel Ratio CheckerBreakpointsResponsive Breakpoint CheckerTailwind BreakpointsBootstrap BreakpointsCSS Media Query BreakpointsResponsive Design TestingViewport BookmarkletResponsive Screen Size WidgetCalculatorsResponsive Image CalculatorPPI CalculatorAspect Ratio CalculatorTV Size CalculatorDevicesDevice Screen SizesPhone Screen SizesTablet Screen SizesLaptop Screen SizesScreen Size ComparisoniPhone Screen SizesiPhone Viewport SizesSamsung Galaxy Screen SizesCommon Screen ResolutionsOnline RulerSiteAbout ScreenSize.netContactPrivacy Policy© 2026 ScreenSize.net — Screen size tools and reference charts.Copy manuallyClipboard access is unavailable. The text is selected below; use your browser's Copy command, Ctrl+C, or ⌘C.Close

The provided text describes a collection of tools and a specific report from ScreenSize.net related to viewport statistics and screen size analysis. The website offers numerous utilities designed for developers and users to examine and calculate various screen and device dimensions, including tools for checking CSS viewport size, device pixel ratio, responsive breakpoints for frameworks like Tailwind and Bootstrap, CSS Media Queries, responsive design testing, aspect ratio calculations, PPI calculations, TV size calculations, and device screen size comparisons for various devices such as iPhones, Samsung Galaxy devices, and laptops.

At the core of the document is the Home/Viewport Statistics Report, which aggregates anonymized viewport measurements derived from ScreenSize.net browser sessions. The report and the associated tools are presented alongside methodology details, emphasizing that the data reflects measured browser sessions rather than global device or browser market share. The collection process adheres to specific quality and privacy rules; measurements are rounded into monthly aggregate buckets, and no personally identifiable information such as IP addresses, precise timestamps, or full user-agent strings is stored. The site honors Global Privacy Control and Do Not Track signals.

In terms of limitations and quality, the report excludes viewpoints wider than 6,000 CSS pixels or taller than 4,000 pixels, and historical device pixel ratio data is normalized to 0.05 steps. Device classification is inferred locally and is acknowledged as an approximation, furthermore, legacy tablet classifications are excluded from the analysis. The site also provides reference lists, such as common screen resolutions, aspect ratios, and guides, further supporting the practical application of the measurement tools. The overall structure aims to provide a comprehensive resource for understanding and manipulating the relationship between screen size, CSS pixels, and physical device dimensions within a responsive web context.