Blog · 2026-02-24
Query string edge cases in analytics and deep links
Arrays, encoding order, and empty values behave differently per framework — normalize before you compare funnels.
urlanalyticstracking
Duplicate keys
Some servers take the last value, others merge into arrays. Document behavior in shared SDKs.
Strip PII before sharing
Remove email parameters from example URLs in tickets; use synthetic IDs in screenshots.
Try these tools next
- Query String Parser — Parse and build URL query strings.
- Canonical URL Builder — Client-side canonical url builder — runs locally in your browser for speed and privacy.
- Open Graph Tag Builder — Client-side open graph tag builder — runs locally in your browser for speed and privacy.
Back to all tools or browse the blog index.