Why Does Chrome DevTools Freeze for 10 Seconds on DOM Changes?

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Asked By TechWhiz42 On

I'm experiencing a really annoying issue with Chrome DevTools that I hope someone else can relate to. Despite using a high-end setup—AMD Ryzen 9 9950X3D processor, GIGABYTE RTX 5090 graphics card, and plenty of RAM—DevTools lags for about 10 seconds whenever I inspect elements or when there are DOM changes, like updates from Vue's reactivity. I've even tested it in incognito mode with no extensions, and the problem persists.

Here's a bit more context:
- My tech stack includes Vue 3 and Tailwind CSS, which generates a lot of classes.
- I'm on the latest version of Chrome (2025).
- The issues seem to occur mainly in the Elements panel when I'm hovering over or expanding nodes, or while editing CSS live.

While the Performance panel seems to record fine, inspecting elements is a real hassle. Has anyone else faced this issue in Chrome 2025? Are there any workarounds or tips for optimizing DevTools when using Vue/Tailwind? Thanks in advance!

1 Answer

Answered By CodeMaster99 On

It sounds like you're running into problems due to having too many elements on your page, like loads of list items or complex components. Another possibility is a recursive reactivity loop, like when a watcher updates something it’s already watching.

Also, when you mentioned live CSS changes, it can definitely cause issues with hot module reloading (HMR) if you're trying to change CSS properties manually while DevTools is also processing updates.

DevDude88 -

Totally agree! If you've got heavy elements in those `v-if` blocks, that might be causing some of the lag. Sometimes just expanding like that can choke DevTools.

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