What Is FrameCheck and How Does It Work?

FrameCheck is a free browser-based real-time FPS monitor. No downloads, no sign-up needed. Just open the tool and it instantly starts showing how many frames your device is rendering every second. It works on PC, laptop, tablet, and mobile. The number you see is your actual live performance, not an estimate.

Most people only notice something is wrong when their screen feels choppy — like when you are gaming and your screen freezes for half a second, or scrolling a page feels like it is dragging. FrameCheck gives you the real number so you stop guessing and start fixing.

What Does FPS Actually Mean?

FPS means frames per second. Your screen shows you still images one after another so fast they look like smooth motion. The more images it shows per second, the smoother everything feels. Low FPS makes your mouse feel delayed and games feel choppy. Most people are comfortable at 60 FPS. Competitive gamers want 144 FPS or higher.

FPS vs Refresh Rate — What Is the Real Difference?

Your FPS is what your device produces. Your refresh rate is what your monitor can actually display. These are not the same thing.

If your PC is pushing 200 FPS but your monitor is only 60Hz, you are still only seeing 60 frames on screen. For the best experience your FPS should stay close to your monitor Hz. When they are out of sync you get screen tearing or stuttering. G-Sync from NVIDIA and FreeSync from AMD help keep both in balance automatically.

What Do Your FPS Numbers Actually Tell You?

One number is not enough to understand your real display performance. Most competitor tools show you an average FPS and stop there. That is misleading.

Average FPS vs 1% Lows — The Number Everyone Ignores

Your average FPS hides the bad moments. Say your average is 85 FPS but every few seconds it drops to 15 for a split second. You will feel every one of those drops as a stutter or freeze. Those sudden drops are called 1% lows and they are the real reason your screen feels like it hiccups randomly. Always check your average FPS and minimum FPS together. A big gap between the two means your experience will feel rough no matter how good your average looks.

Frame Time — Why Smooth Feels Better Than High

Frame time is how long it takes to produce one single frame in milliseconds. When every frame takes the same amount of time motion looks smooth. When some frames take much longer than others you get stuttering even if your FPS number looks fine. Think of two people walking at the same average speed — one walks steady and the other keeps stopping and rushing. The second one feels jerky. That is exactly what bad frame time does to your screen.

What FPS Do You Actually Need?

For casual gaming 60 FPS is smooth enough. For competitive gaming you want 144 FPS or higher because lower input lag means faster reactions. Streamers and video editors need a stable 60 FPS so preview playback does not skip. Web developers need consistent 60 FPS for smooth animations across browsers. Mobile users are fine between 30 and 60 FPS for normal use. A locked stable FPS always feels better than a higher number that keeps dropping.

Who Is This Tool Actually For?

Competitive gamers use it to verify their setup before a ranked match. Casual gamers use it to find out why their game feels slow. Streamers check it before going live. Web developers test animation performance across different browsers. Mobile users check if their phone handles graphics content without slowing down. Everyday users use it to understand why their laptop or browser feels slower than it should.

Why Is My FPS Low and How Do I Fix It?

Fix Your Browser First

Turn on hardware acceleration in your browser settings. Without it your CPU does all the rendering work instead of your GPU. Close extra tabs, disable unused extensions, and test in incognito mode. If FPS improves in incognito an extension was the problem.

Fix Your System Next

Update your GPU drivers because outdated drivers are one of the most ignored causes of low frame rate. Close background apps like Discord that quietly use your GPU and CPU. Check for thermal throttling — when your device overheats it slows itself down silently. Clean your fans and check your airflow.

Hardware Is the Last Resort

8GB RAM is not enough for modern use — upgrade to 16GB minimum. If your GPU is more than five years old it will struggle with newer games and high refresh rate displays. Try all software fixes before spending money on hardware.

How to Read Your Results After the Test

If your average FPS and minimum FPS are close together your system is consistent. If there is a big gap between them you have regular drops hurting your experience. If FPS is locked at your monitor Hz then V-Sync is capping your output — turn it off to see your real ceiling. If FPS looks fine but screen still feels choppy then frame time is the problem. Run FrameCheck before and after any changes to see exactly what helped.

Frequently Asked Questions

Does FrameCheck work on mobile?

Yes. It works on Android, iOS, and any modern browser. Mobile results are naturally lower than desktop and that is normal.

Why does browser FPS look different from in-game FPS?

Browser FPS measures web rendering. In-game FPS measures 3D graphics processing. Both are useful but they test different workloads.

My FPS looks good but screen still feels laggy — why?

Check your 1% lows and frame time. A good average can hide bad drops. Also check your internet because network lag and FPS are separate issues that feel similar.

Can FrameCheck check if my monitor is running at its advertised Hz?

Yes. If your FPS stays locked at a number like 60 or 144 during the test that is your monitor actual refresh rate. If it is lower than advertised your display settings or cable may need checking.