Resources
URL shortener resource hub
Everything worth reading about short links in one place — the specs, the analytics references, the migration notices — plus our own free tools and guides you are welcome to cite.
Primary references
URL shortening — Wikipedia
The neutral background: history of shorteners, how redirects work, and the criticisms (link rot, opaque destinations).
RFC 7231 §6.4 — HTTP redirection status codes
The spec every shortener implements. Explains why 301 is cached forever and 302/307 is the safer default for trackable links.
Google: transition out of Firebase Dynamic Links
Google's own notice after goo.gl. Useful if you are migrating old Google short links.
Google Search Central — redirects and Google Search
How Google treats redirected URLs, which matters if you shorten links that also need to rank.
GA4 Campaign URL parameters
The canonical definition of utm_source, utm_medium, and utm_campaign — the values our UTM builder writes.
awesome-url-shortener
A curated open-source list, handy if you are researching self-hosted options before buying a hosted tool.
Our guides and free tools
Link to us
Writing a roundup, a tutorial, or a comparison? Copy either snippet below — no permission needed, and no nofollow requirement on our side.
Simple credit link
<a href="https://getswiftlink.world/" title="Shortly by SwiftLink — free URL shortener">
Short links by Shortly
</a>Citation for a guide
Source: <a href="https://getswiftlink.world/guides/what-is-a-url-shortener">
What is a URL shortener? — Shortly by SwiftLink</a>Press or partnership enquiry? Reach us through the docs or the contact details in our terms.
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