A link can carry more than the name of a page. Before sending it to another person or posting it publicly, take a moment to inspect the address you copied. The useful question is whether the link shares the resource you intended, with information that belongs in that exchange.
This review applies to an ordinary article recommendation as well as a link placed on a website or in a developer post. You do not need to understand every character to notice when an address deserves a closer look.
Understand what the extra information does
MDN's query reference describes the part introduced by a question mark as a query. It commonly contains parameter names and values. A site can use those values to change its response, including search results, filters, or sorting. Their meaning depends on the site's implementation.
Other parameters support measurement. Google Analytics documentation explains that UTM campaign parameters help identify which campaigns refer traffic. They can describe a source, marketing medium, or campaign. This is one reason a shared address may contain information beyond the page's basic location.
These purposes make a blanket rule unhelpful. Deleting everything after a question mark can also discard information needed to reproduce the view you meant to share. Length alone does not tell you which parts are optional.
Use cleanup tools within their stated limits
Firefox offers a Copy Clean Link command. Mozilla's release notes explaining that label describe a list-based approach that removes known tracking parameters. The word "known" matters: the feature's description is limited to the parameters it recognizes.
The current Firefox desktop guide shows the command in the context menu for the address bar and for links within a page. Where the command is available, use that documented option and inspect the resulting copy.
Keep the result in perspective. A cleaned address is not a certificate of anonymity, proof that a destination has no tracking, or confirmation that the page is appropriate to share. It is one step in preparing that particular link.
Check that the intended resource still opens
Before publishing a public recommendation, open the reviewed address and check the title and relevant content. If you intended to share a particular filtered view or search result, check that the needed selection remains. Shortening an address by deleting unfamiliar parts can change what the recipient reaches.
For a resource meant to be public, consider checking a signed-out view where practical. Treat that as a check of the intended access and content, with its own limits. A successful page load does not explain every way the site handles a visit.
If you cannot determine what an unfamiliar parameter does, look for the site's documented sharing option or a published page address. Avoid guessing your way through an account-specific link merely to make it look simpler.
Give private links a different review
OWASP's query-string guidance explains that sensitive values placed in URLs can be exposed through places such as browser history and server logs. HTTPS alone does not resolve that kind of exposure.
Pause before forwarding a link associated with account access, a private record, or a particular person's action. Use the service's intended sharing process and review the audience it describes. Removing a few visible fields should not become evidence that the remaining address is safe to publish.
Make the sharing choice clear
When preparing a website or developer article, review the actual destination of each link alongside its label. Choose the public resource that supports the point you are making, and check the copied address before adding it to the draft. Keep private working links out of public examples.
For people designing sharing features, offer a clear route to the intended public resource and explain when an address carries a specific view or access capability. Follow current security guidance for handling sensitive values, rather than asking readers to repair the URL themselves.
A useful sharing routine is small: inspect the address, understand any cleanup option, verify the destination, and consider who should receive it. The goal is a link that communicates what you intended without carrying information you did not mean to pass along.
General privacy education. Cleanup features and URL behavior vary by browser, version, and website. Check public access and private sharing separately. Sources reviewed November 4, 2026.
Originally published at Web Privacy Consulting.
AI disclosure: This article and its original illustration were generated with AI and checked against the linked official guidance.
