Guides
Everything you need to know about short links, QR codes and click tracking — in plain language, with practical examples.
What is a URL shortener and how does it work?
A URL shortener turns a long, messy web address into a short, clean link — like l-k.us/abc123 — that redirects anyone who opens it to the original page. Here is how it works under the hood, when it is worth using one, and how to create yours for free.
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How to create a free QR code (no sign-up, no watermark)
You need a QR code for a link, a menu, a flyer or a business card — and most "free" generators hide the download behind a paywall, stamp a watermark on it, or quietly expire your code after 14 days. Here is how to make a genuinely free QR code that never expires.
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Dynamic QR codes: print once, change the destination anytime
A dynamic QR code separates the printed code from the destination it opens. The code encodes a permanent short link — and you decide, today or in a year, where that link goes. Print it once, update it forever.
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Short links for marketing: social, WhatsApp, ads and tracking
Marketers shorten links for two reasons: presentation and measurement. A clean link earns more clicks, and a counted click tells you what worked. Here is how to get both without spending a cent.
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QR code menu for restaurants: free setup in 10 minutes
A QR menu saves printing costs, updates in real time and became the standard in bars and restaurants worldwide. Here is the complete setup — with the one decision most restaurants get wrong: choosing a static QR that dies at the first menu change.
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Link in bio: one editable link for Instagram and TikTok
Instagram gives you one clickable link. Most creators either never change it or pay a monthly fee for a link-in-bio landing tool. There is a free third option: a dynamic short link you re-point in seconds — today to your new video, tomorrow to your shop, next week to a collab.
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Short links for WhatsApp and SMS that actually get clicked
In messaging, every character counts and trust decides the click. A raw 200-character URL with tracking parameters looks broken (or scammy) and often IS broken by line-wrapping. A clean short link fixes deliverability, fits SMS limits and gives you click counts per campaign.
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QR code on business cards: one card that never goes stale
Business cards go stale the day your role, project or website changes. A dynamic QR code fixes that: the printed code stays identical for years while YOU decide what it opens — portfolio today, booking page tomorrow, your new company next year.
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QR codes for events and weddings: photos, RSVP and programmes
Invitations are printed weeks before the details are final. A dynamic QR code lets you print early and decide late: the code on the invitation stays the same while the page it opens — RSVP, programme, photo album — evolves until the day itself.
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UTM parameters explained: track every campaign properly
UTM parameters are how Google Analytics knows a visit came from your newsletter and not from Instagram. They are free, standard and horribly ugly in a message. This guide covers the three parameters that matter, the naming discipline that keeps reports readable, and the short-link trick that hides the ugliness.
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