Windows 11 Insider Builds Get One-Click Speed Test—But It Opens Bing, Not a Native Tool

A new internet speed test has landed in Windows 11 Insider preview builds, but it's not what many users might expect. Instead of a native diagnostic, the feature—delivered in KB5065782 for Dev and Beta channels—adds a "Perform speed test" option to the taskbar network flyout. When clicked, it opens Microsoft's Bing speed test page in your default browser. The change, first spotted by Insider @phantomofearth and confirmed in multiple community analyses, makes a common connectivity check just a click away, though it ties the diagnostic to a web service rather than embedding measurement logic into the OS.

What Microsoft Added in KB5065782

The cumulative update for builds 26220.6682 (Dev) and 26120.6682 (Beta/Release Preview) introduced two new UI entry points for a speed test. Right-clicking the network icon in the system tray reveals a "Perform speed test" context menu item. Alternatively, opening the Wi-Fi quick settings panel—via a left-click on the network icon—shows a dedicated "Speed test" button. Both actions trigger the same behavior: launching the default browser and navigating to Bing’s speed test widget.

Community researchers quickly documented the additions alongside other changes in the release. The feature is part of a broader Insider push that also includes Copilot enhancements, emoji updates, Narrator improvements, and a rearranged mobile devices settings page. The speed test functionality itself, however, was not explicitly highlighted in Microsoft’s official build notes, surfacing instead through tester exploration.

How the Shortcut Works: One Click, Web Execution

The flow is straightforward. When a user selects the new speed test option, Windows passes a URL to the system’s default browser, which loads Bing’s speed test page. Once the page renders, the user must manually click the “Start” button within the widget to begin measuring download and upload speeds, as well as latency. Results are displayed graphically inside the browser tab.

Because the entire measurement process runs inside a web context, the OS is merely providing a convenient launcher. No native network diagnostic binaries execute locally, and the test’s server-side infrastructure—geographic server selection, test data delivery, and result visualization—is managed entirely by Bing’s web properties. This design sidesteps the need to ship custom measurement code with Windows, allowing Microsoft to reuse existing web investments.

Why a Web-Based Approach?

Several factors likely influenced Microsoft’s decision to lean on a web widget rather than building a native speed test engine.

Reuse of existing infrastructure: Bing’s speed test is already integrated into Microsoft’s web ecosystem and Edge. Tapping into it avoids reinventing server selection, geolocation-based routing, and test endpoint management.
Faster deployment and iteration: Since the actual test logic lives on servers, Microsoft can update measurement algorithms or fix bugs without pushing a Windows update.
Reduced OS footprint: Adding a full native diagnostic suite would increase complexity and attack surface. A lightweight shortcut keeps the OS install size smaller and maintenance simpler.
User familiarity: Many users already run speed tests in a browser. This integration simply removes the step of searching for a test site.

These trade-offs mirror broader industry trends: embed web-powered widgets into the OS for convenience, preserving deep integration for features that truly need offline capability.

Comparison with Dedicated Speed Test Tools

For quick, casual checks, the Windows shortcut shines. But power users and network professionals will immediately notice differences from established third-party tools like Ookla Speedtest, Fast.com, or desktop apps with logging and server selection.

Measurement engine transparency: Dedicated apps typically let you choose test servers, run repeated tests, and view historical results. Bing’s widget provides a one-off result with no server choice, and its backend partners may not be fully disclosed.
Offline utility: Native apps can sometimes run preliminary checks (ping to gateway, DNS resolution) without full internet access. The Windows shortcut is useless when a captive portal or DNS failure prevents the browser from loading the widget.
Privacy controls: Services like Speedtest allow account-based history while offering anonymous testing. Bing’s test will route data through Microsoft’s infrastructure, with potential telemetry tied to your Microsoft account if you’re signed in.
Browser dependency: Extensions, proxy settings, and browser security policies can interfere with web-based diagnostics, skewing results or blocking the test entirely.

In short, the new OS shortcut is a convenience layer, not a replacement for dedicated network analysis tools.

Microsoft placed the speed test in two highly discoverable locations—the network icon’s context menu and the Wi‑Fi quick settings panel. Users already visit these surfaces to view signal strength, connect to networks, or toggle airplane mode. Adding a diagnostic option here reduces cognitive friction.

Contextual relevance: When you notice sluggish performance, the instinct is to check the network icon. Having a speed test right there aligns with troubleshooting workflows.
Minimal clutter: A single new item avoids overwhelming the UI while addressing a common user need: “Is my internet connection actually delivering the speeds I pay for?”
Keyboard and touch accessibility: The quick settings flyout already supports keyboard navigation and touch targets, so the speed test button inherits those affordances.

This design pattern appears in other modern OS surfaces—small, web-backed utilities surfaced in the OS shell without requiring a full native app. It’s the same philosophy behind the Edge sidebar or Copilot integrations.

Privacy and Telemetry: What Happens to Your Data?

Every time you run the Bing speed test through the new shortcut, data flows off-device. Microsoft has not yet published detailed telemetry documentation for this feature, but based on standard web interactions, the following is likely transmitted:

Test results (download/upload speeds, latency)
Public IP address
User agent string and browser metadata
Possibly geolocation derived from IP
If signed into a Microsoft account in the same browser session, cookies may link the test to your identity

Microsoft could use aggregated data to improve Bing’s speed test service, monitor ISP performance, or feed into broader telemetry dashboards. For enterprise environments regulated by strict data governance, this external call should be assessed. Administrators may want to disable the shortcut via Group Policy or MDM if outbound diagnostics conflict with security policies.

Technical Limitations and Failure Modes

The web-based architecture introduces several points of failure that undermine the tool’s usefulness when you need it most.

Browser dependency: If the default browser is corrupted, blocked by policy, or set to a non-standard executable, the speed test won’t launch.
Captive portals and DNS failures: The most common network issues prevent HTTP connections. If you’re behind a hotel Wi‑Fi portal or facing a DNS outage, the Bing widget won’t load, leaving you without a diagnosis.
Proxy and firewall interference: Enterprise proxies or middleboxes may intercept, modify, or block the test traffic, producing inaccurate results or breaking the flow.
Extension interference: Ad blockers, privacy extensions, or script blockers can alter the test page’s behavior, leading to timing errors.
Measurement variance: Browser throttling, background tabs, and OS power management can affect result accuracy compared to native tests that bypass these layers.

For a quick sanity check, these limitations are acceptable. But for root-cause analysis—especially when the network seems broken—more robust native tools remain essential.

Broader Insider Changes in KB5065782

The speed test addition is bundled with several other updates that underscore the release’s mixture of quality-of-life tweaks and experimental features:

Copilot “Click to Do” refinements: A new Copilot prompt box for Copilot+ PCs, with localized text interaction.
Emoji 16.0: The emoji panel gains new glyphs.
Narrator improvements: Better handling of footnotes, document reading, and list navigation.
Settings app changes: The Advanced Settings page was reinstated (with some options temporarily removed), and the mobile devices page under Bluetooth now prominently displays linked phones.
Background AI tasks placeholder: A non-functional settings page hints at future AI workload transparency.

These changes collectively show Microsoft’s iterative approach: ship small, surface-level conveniences alongside ongoing AI and accessibility investments.

What This Means for Users and IT Teams

For everyday users, the speed test shortcut is a welcome time-saver. Instead of opening a browser, searching “speed test,” and wading through ads, a single click gets you a familiar result page. It demystifies connectivity issues and helps verify ISP performance claims quickly.

For power users, it’s a handy but limited tool. You’ll still want dedicated apps for logging, server selection, and advanced metrics like jitter or packet loss. The shortcut works best as a rapid spot-check, not as a primary diagnostic.

For IT administrators, the feature introduces a new egress vector that may need governance. Assess whether external speed tests via Bing align with your organization’s telemetry and browsing policies. Consider Group Policy or Intune configuration to hide quick settings entries or restrict default browser behavior.

Caveats Microsoft Should Clarify

Before a widespread rollout, Microsoft would do well to address several open questions:

Telemetry commitment: Exactly what diagnostic data is collected, how it’s stored, and whether it’s linked to user accounts. A published privacy note would help enterprise vetting.
Backend and partner disclosure: Some community reports suggest the Bing widget may delegate measurements to a third-party engine. If true, the exact partner chain should be transparent so users can evaluate measurement provenance.
Offline/local fallback: A simple built-in check—pinging the default gateway, performing a DNS lookup—would make the feature far more resilient when the internet is truly impaired. Insiders have expressed hope for such an addition.
Policy controls: Administrators need clear documentation on managing visibility and behavior of the speed test in managed environments, ideally through existing quick settings policies.

Rollout and Looking Forward

The speed test shortcut is currently visible only to Insiders in Dev and Beta channels who received build 26220.6682 or 26120.6682. As with many Insider features, its presence, wording, and behavior may evolve before any general release. Microsoft often conducts A/B tests, rolling features out incrementally and sometimes pulling them based on feedback.

Watch for these milestones:

A formal Windows Insider blog post or support document acknowledging the feature.
Telemetry and policy disclosures that accompany broader availability.
Potential expansion into a hybrid model that includes a simple offline diagnostic alongside the web widget.

The move fits a broader Microsoft philosophy: add lightweight, web-backed utilities to the OS shell where they can provide immediate value without expanding the Windows codebase. From the Edge sidebar to Copilot’s UI surfaces, this pattern is likely to continue. But it also sharpens the debate around what “built-in” truly means when the functionality depends on an external service.

For now, the new shortcut is a modest but clever addition. It won’t replace dedicated speed test apps, but it will save countless clicks for users who just need a quick answer to “Is my internet slow right now?” That alone makes it a worthwhile quality-of-life improvement—provided Microsoft addresses the lingering transparency gaps before it ships to all.