> For the complete documentation index, see [llms.txt](https://docs.uxwizz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.uxwizz.com/useful-examples.md).

# Useful Examples

- [Feedback form (polls)](https://docs.uxwizz.com/useful-examples/feedback-form-polls.md)
- [Tracking 404 Pages](https://docs.uxwizz.com/useful-examples/tracking-404-pages.md)
- [Tracking UTM parameters](https://docs.uxwizz.com/useful-examples/tracking-utm-parameters.md): Example of reading and storing URL query parameters for each session.
- [Tracking Google Ads GCLID](https://docs.uxwizz.com/useful-examples/tracking-google-ads-gclid.md)
- [Storing user device types](https://docs.uxwizz.com/useful-examples/storing-user-device-types.md): Example of storing custom device type data using tags.
- [Track video playback](https://docs.uxwizz.com/useful-examples/track-video-playback.md)