# Canvas not appearing on Live Testing function or Preview

**URL:** <https://community.thunkable.com/t/canvas-not-appearing-on-live-testing-function-or-preview/722617>\
**Category:** Questions about Thunkable X\
**Tags:** canvas\
**Created:** [August 6, 2020, 12:27am UTC](https://community.thunkable.com/t/canvas-not-appearing-on-live-testing-function-or-preview/722617 "2020-08-06T00:27:33Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Paolo\_Yu](https://avatars.discourse-cdn.com/v4/letter/p/bbce88/32.png) [@Paolo\_Yu](https://community.thunkable.com/u/Paolo_Yu)\
**Post date:** [August 11, 2020, 12:34am UTC](https://community.thunkable.com/t/canvas-not-appearing-on-live-testing-function-or-preview/722617/7 "2020-08-11T00:34:59Z")

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We’ve solved the issue, our firewall was blocking [https://thunkable.github.io](https://thunkable.github.io/) for our students, once it was unblocked they could access the Canvas component.

Thanks for your help!

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_[View the full topic](https://community.thunkable.com/t/canvas-not-appearing-on-live-testing-function-or-preview/722617)._