# Campaign tracking guides

> UTM parameters, short links, QR codes and ad click ids: how each one tells your analytics where a visit came from, and what breaks them.

Source: https://datacenter.so/guides/campaign-tracking

A visit only has a source if something tells your analytics where it came from. These guides cover the tags and links that do that job, and the mistakes that quietly break them.

- [UTM parameters: the complete guide, with a naming scheme that holds up](https://datacenter.so/guides/utm-parameters.md): What each UTM parameter does, the naming rules GA4 actually applies, a scheme for source, medium and campaign, and the mistakes that break your reports.
- [How to track your Instagram link in bio, through to the sale](https://datacenter.so/guides/track-instagram-link-in-bio.md): Instagram's own insights stop at link taps. How to see which bio link, story or post brought visits, signups and sales, with tags and a short link.
- [gclid, fbclid and other click ids, explained](https://datacenter.so/guides/click-ids-explained.md): What gclid, gbraid, wbraid, fbclid, ttclid and msclkid are, what each one is for, how long they last, and why keeping them matters for ad tracking.
- [How to track QR codes on print, packaging and signs](https://datacenter.so/guides/qr-code-tracking.md): A QR code sends no referrer, so scans show up as direct traffic. How to track scans, visits and sales per placement, and print codes that keep working.
- [How to track email clicks and the sales they bring](https://datacenter.so/guides/track-email-clicks.md): Tag email links so every click and sale has a source, set it up in Klaviyo and Mailchimp, and spot the bot clicks that security scanners add.
- [How to track SMS link clicks and the sales they bring](https://datacenter.so/guides/track-sms-link-clicks.md): Tag text message links so clicks and sales have a source, keep links short and on your own domain, and tell real taps from link preview clicks.
- [Call tracking for local businesses: which ad made the phone ring](https://datacenter.so/guides/call-tracking-for-local-businesses.md): How call tracking numbers work, static numbers versus dynamic number insertion, how many you need, recording laws, and calls as conversions.