关于Impact Radius追踪ID（subid1/subid2…）的使用及字段限制咨询

Great question! Based on hands-on experience with Impact Radius affiliate tracking, here's what you need to know about the subid1 field:

Can you fill it freely? #

Yes, for the most part! The subid1 (along with subid2, subid3, etc.) is designed specifically for custom tracking segmentation. You can populate it with any meaningful value that helps you identify traffic sources, ad creatives, campaign variants, or audience segments. Examples include:

• facebook_creative_summer_2024
• email_newsletter_july_issue
• blog_post_best_product_reviews

This flexibility lets you drill down into conversion data in the Impact Radius dashboard to see which specific channels or campaigns are driving results.

Are there any restrictions? #

While it's flexible, there are a few key limits to keep in mind:

• Character count: Most Impact Radius implementations cap subid fields at around 255 characters. Avoid excessively long strings to prevent truncation or tracking failures.
• Special characters: Steer clear of URL-reserved characters like &, =, ?, or spaces. These can break the link's parameter structure. If you need to use such characters, make sure to URL-encode them (e.g., replace a space with %20).
• Advertiser-specific rules: A small number of advertisers may enforce their own guidelines for subid values (e.g., banning sensitive language, requiring a specific format for campaign IDs). Always check the advertiser's affiliate tracking documentation or reach out to their affiliate manager if you're unsure.

Final Takeaway #

As long as you stick to character limits, avoid problematic special characters, and comply with any advertiser-specific rules, subid1 is fully customizable to fit your tracking needs.

内容的提问来源于stack exchange，提问作者Shlomi Ozon