Fix Loading module from … was blocked because of a disallowed MIME type

This is simple way to fix :

Find type format relate to the issue from console in web browser

Add the code from python server, in my case I’m not able to load .mjs from source :

import mimetypes
mimetypes.add_type(‘text/javascript’, ‘.mjs’)…


This content originally appeared on DEV Community and was authored by chuongmep

This is simple way to fix :

  1. Find type format relate to the issue from console in web browser

  1. Add the code from python server, in my case I'm not able to load .mjs from source : 
import mimetypes
mimetypes.add_type('text/javascript', '.mjs')


This content originally appeared on DEV Community and was authored by chuongmep


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APA

chuongmep | Sciencx (2025-11-12T03:21:02+00:00) Fix Loading module from … was blocked because of a disallowed MIME type. Retrieved from https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/

MLA
" » Fix Loading module from … was blocked because of a disallowed MIME type." chuongmep | Sciencx - Wednesday November 12, 2025, https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/
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chuongmep | Sciencx Wednesday November 12, 2025 » Fix Loading module from … was blocked because of a disallowed MIME type., viewed ,<https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/>
VANCOUVER
chuongmep | Sciencx - » Fix Loading module from … was blocked because of a disallowed MIME type. [Internet]. [Accessed ]. Available from: https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/
CHICAGO
" » Fix Loading module from … was blocked because of a disallowed MIME type." chuongmep | Sciencx - Accessed . https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/
IEEE
" » Fix Loading module from … was blocked because of a disallowed MIME type." chuongmep | Sciencx [Online]. Available: https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/. [Accessed: ]
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» Fix Loading module from … was blocked because of a disallowed MIME type | chuongmep | Sciencx | https://www.scien.cx/2025/11/12/fix-loading-module-from-was-blocked-because-of-a-disallowed-mime-type/ |

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