There is no universal set of screen sizes every responsive website must target. Build a fluid layout for narrow screens first, then add CSS breakpoints wherever the content no longer fits or works well. Use popular screen resolutions as useful testing examples—not as automatic breakpoint values.
Screen resolution is not the same as CSS viewport width
A resolution such as 1920×1080 describes the display’s physical pixel dimensions. CSS layout and media queries generally use the browser’s viewport in CSS pixels. High-density displays can map multiple physical pixels to one CSS pixel, and zoom and browser configuration also affect the effective viewport. On mobile, the area available to the webpage is not necessarily the full physical screen.
That distinction matters: a 1920-pixel-wide display does not necessarily give a page a 1920-CSS-pixel viewport, and a mobile screen’s physical width does not directly tell you which CSS width query will match. MDN describes how an older wide virtual viewport can cause mobile content to shrink; its example pairs a 320-pixel screen with a 980-pixel virtual viewport. MDN’s viewport meta guide explains the issue.
Common reported screen resolutions
The following are worldwide Statcounter Global Stats figures for September 2026. They describe shares of reported screen-resolution categories, not a census of installed devices, CSS viewport widths, or recommended breakpoint values.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Desktop
| Reported resolution | Share of reported worldwide desktop resolutions |
|---|---|
| 1920×1080 | 28.07% |
| 1536×864 | 10% |
| 1366×768 | 7.95% |
| 1280×720 | 4.71% |
| 2560×1440 | 3.95% |
| 1280×1200 | 3.64% |
Source: Statcounter Global Stats, desktop, worldwide, September 2026.
Mobile
| Reported resolution | Share of reported worldwide mobile resolutions |
|---|---|
| 414×896 | 13.35% |
| 360×800 | 7.54% |
| 384×832 | 7.1% |
| 390×844 | 6.05% |
| 393×873 | 4.18% |
| 360×780 | 3.39% |
Source: Statcounter Global Stats, mobile, worldwide, September 2026.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Combined platforms
These figures combine platform categories. Each percentage is a share of reported resolutions across the combined scope, not a share of desktop users or mobile users individually.
| Reported resolution | Share of combined reported worldwide resolutions |
|---|---|
| 1920×1080 | 10.71% |
| 414×896 | 8.05% |
| 360×800 | 4.79% |
| 384×832 | 4.58% |
| 1536×864 | 3.81% |
| 390×844 | 3.65% |
Source: Statcounter Global Stats, combined platforms, worldwide, September 2026.
The Tool Desk
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- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Choose breakpoints based on the layout
Use viewport width—not a device-name checklist—to decide when a layout changes. A navigation bar may need to collapse at one width, while a card grid or text column needs a change at another. The right breakpoint is the point where the current arrangement stops serving the content well.
As web.dev’s media queries guidance puts it: “It’s best to choose your breakpoints based on your content rather than popular device sizes, as those are subject to change with every technology release cycle.”
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Keep the design flexible between breakpoints. MDN recommends flexible grids, relative units, and minimum or maximum values; breakpoints expressed in relative units can better accommodate changes in text size and user settings than fixed device-width assumptions. See MDN’s media queries guide.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Set the viewport for mobile layouts
Include this element in the document’s <head> so the layout viewport matches the device width in CSS pixels and begins at the expected scale:
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
<meta name="viewport" content="width=device-width, initial-scale=1">Without the viewport setting, a mobile browser may use a wider virtual viewport and scale the page down, so narrow-width media queries do not behave as intended. See MDN’s viewport meta element documentation.
How to test responsive sizes
- Start at a narrow viewport. Confirm text, controls, images, and navigation fit without horizontal scrolling.
- Check representative widths. Use the September 2026 resolution list as a source of test cases, but test in CSS viewport widths appropriate to your layout rather than assuming each physical resolution maps directly to that width.
- Resize through the intervals. Drag the viewport across widths between your selected cases. Watch for abrupt wrapping, cramped controls, overflow, long line lengths, and columns that become too narrow.
- Check orientation and layout states. Test portrait and landscape where relevant, and verify both collapsed and expanded navigation or other responsive states.
- Use browser responsive tools. Firefox Responsive Design Mode is one way to explore viewport widths; consult MDN’s Responsive Design Mode guide.
For a repeatable test plan, record platform, CSS viewport width, orientation, and the expected layout state separately. Resolution rankings can help you choose representative cases, but should not replace checking the transitions between them.
Or skip the browser setup
For automated screenshots at chosen viewport sizes, ScreenshotNeo accepts a URL in one GET request and returns an image or PDF. For example, this cURL call saves a WebP screenshot:
curl -G "https://api.screenshotneo.com/v1/shot" -d access_key=YOUR_API_KEY --data-urlencode url=https://stripe.com -o shot.webpSee the ScreenshotNeo API documentation for setup and options. Cookie banners, newsletter popups, and chat widgets are removed before the shot; bot checks, blank pages, and failed loads are never billed. An MCP server lets AI agents take screenshots. The free plan includes 1,000 screenshots a month with no card, and paid plans start at $5 for 3,000. Learn about ScreenshotNeo or sign up for 1,000 free screenshots a month, with no card.
Keep resolution statistics current
Screen-resolution shares change over time. The figures here are a worldwide September 2026 snapshot; check the relevant Statcounter tables and your own site analytics before relying on particular percentages. The durable implementation principle is to let the content determine layout changes and to test actual viewport behavior.
Quick Recap
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