What your Mac is actually doing.
Plain-English write-ups of the processes people search for after seeing them eat their CPU, and the reasons a Mac slows down.
What Is nsurlsessiond and Why Is It Using My Wi-Fi?
Learn what the nsurlsessiond process does on a Mac, why it uses so much network bandwidth, and how to stop it from draining your data.
Read it → 15th June, 2026Mac Memory Pressure Explained
Confused by the memory graphs in Activity Monitor? Learn exactly how Mac Memory Pressure works and when you actually need more RAM.
Read it → 14th June, 2026Best Mac Monitoring Apps in 2026
Compare the best system monitoring apps for macOS. See how MacStats, Activity Monitor, iStat Menus, and Stats stack up against each other.
Read it → 14th June, 2026The Best Menu Bar Apps For Mac
Discover the most useful and beautifully designed menu bar apps to boost your macOS productivity, organization, and system monitoring.
Read it → 14th June, 2026Why Is My Mac Overheating?
Is your Mac hot to the touch? Learn about thermal throttling, CPU spikes, background tasks, and how to cool down your machine.
Read it → 13th June, 2026What Is WindowServer and Why Is It Using So Much CPU?
Learn what the macOS WindowServer process does, why it consumes so much CPU and RAM, and how external monitors affect its performance.
Read it → 12th June, 2026What Is mds_stores and Why Is It Using CPU?
Learn what the mds_stores process does in macOS, why it causes loud fans and high CPU usage, and how to fix Spotlight indexing issues.
Read it → 11th June, 2026Welcome to the MacStats Blog
Welcome to the brand new MacStats blog! This is where we'll share insights about macOS system performance, explain mysterious system processes, and post updates about our journey building an independent, native app for Mac.
Read it → 10th June, 2026How To Monitor Mac Temperature
Learn how to check your Mac internal temperature, understand thermal throttling, and prevent your laptop from overheating.
Read it → 10th June, 2026How To Monitor Network Activity On Mac
Learn how to check your Mac network activity to find out which apps are using your Wi-Fi bandwidth for background downloads and uploads.
Read it →Stop staring at numbers.
Keep your Mac's important signals one glance away, and get a useful answer when something does not look right.
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