# Computed Column (or other) to check if URL is not 404 error

**URL:** <https://community.glideapps.com/t/computed-column-or-other-to-check-if-url-is-not-404-error/70121>\
**Category:** Ask for Help\
**Created:** [January 27, 2024, 8:31am UTC](https://community.glideapps.com/t/computed-column-or-other-to-check-if-url-is-not-404-error/70121 "2024-01-27T08:31:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Cameraville](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/cameraville/32/60231_2.png) [@Cameraville](https://community.glideapps.com/u/Cameraville)\
**Post date:** [January 27, 2024, 8:31am UTC](https://community.glideapps.com/t/computed-column-or-other-to-check-if-url-is-not-404-error/70121/1 "2024-01-27T08:31:32Z")

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Is there any column (I cannot find one) that would check if a url is valid? Meaning checks if a URL has content on it or if it results in a 404 error? My exact use case is, having a collection of links to things for sale (on other websites), and when the item is no longer available (i.e. 404), I automatically stop displaying that rows content. Thank you!

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**Author:** ![slscustom.ru](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/slscustom.ru/32/77336_2.png) [@slscustom.ru](https://community.glideapps.com/u/slscustom.ru)\
**Post date:** [January 27, 2024, 9:41am UTC](https://community.glideapps.com/t/computed-column-or-other-to-check-if-url-is-not-404-error/70121/2 "2024-01-27T09:41:08Z")

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I havent tried, but maybe new Get Web Page Source

 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/b/7/b7b5f66548cf13fd1871537687bfd3fda3e35509.png)  
column can help