Free UTM builder

    Paste a destination URL, add your campaign parameters, and get a clean tracked link with the attribution traps called out.

    LemAudit Editorial
    By LemAudit Editorial · Research teamLast reviewed

    Where the traffic comes from: google, linkedin, newsletter, partner name.

    How it arrives: email, cpc, social, referral, affiliate.

    Paid keyword. Leave blank for organic and email.

    Distinguishes two links pointing at the same page.

    Ties the click back to a row in your ad platform or CRM.

    How we made this page

    Last tested: .

    This tool runs entirely in your browser — no server call, no logging, no data retention. We compute the output from your inputs the moment you submit, and validate the result against the relevant public spec before showing it.

    Free canonical tag generator
    Paste the URL you want to set as canonical — get the <link>, og:url and JSON-LD snippets you need, all consistent.
    Free robots.txt generator
    Answer a few questions and get a robots.txt that says exactly what you meant — with the site-killing mistakes flagged before you upload it.

    Check the rest of the site while you're here

    This tool fixes one thing. A free LemAudit scan checks the whole site — technical health, on-page, performance, security and AI search readiness — and scores it in about 30 seconds.

    Already ran one? Create a free account to save reports, re-run them on a schedule and track scores over time.