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Glossary

Short, plain-English definitions of the terms behind links, QR codes, tracking and online privacy.

Search/16 terms

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301 vs 302 redirectA 301 redirect is permanent: it tells browsers and search engines the destination has moved for good, and it passes almost all ranking signals to the new URL. …

A

A/B testing (link rotation)A/B testing sends visitors to different destinations in a set ratio to see which performs better. With weighted link rotation, one short link can split traffic…

B

Branded linkA branded link uses your own recognizable domain or a custom alias instead of a generic shortener, so recipients trust and remember it. Branded short links mea…

C

Click-through rate (CTR)Click-through rate is the share of people who click a link out of everyone who saw it, written as a percentage. It measures how compelling a link, ad or result…

D

Deep linkA deep link points to a specific place inside an app or site rather than its home screen — for example straight to a product or a chat. Combined with device ta…Disposable emailA disposable (temporary) email is a throwaway inbox used to sign up or receive a one-time code without exposing your real address. It shields your primary inbo…

E

End-to-end encryptionEnd-to-end (E2E) encryption scrambles data on the sender's device so only the recipient can decrypt it — the server in the middle never sees the contents. For …

L

Link in bioA link-in-bio page collects all your important links behind a single URL — ideal for social profiles that allow only one clickable link. Instead of changing th…Link rotLink rot is the slow decay of the web as URLs change or disappear, breaking links that once worked. A shortener with stable redirects lets you repoint a short …

O

Open Graph (social preview)Open Graph tags control the title, description and image shown when a link is shared on social networks and messengers. Good OG data turns a bare URL into a ri…

P

Phishing linkA phishing link imitates a trusted site to steal credentials or money, often hidden behind a shortener. Reputable shorteners scan destinations and block malici…

Q

QR codeA QR code is a two-dimensional barcode a phone camera can scan to open a link, join WiFi, save a contact or more. Because scanning is instant, QR codes bridge …

R

REST APIA REST API lets software create and read data over HTTP using predictable URLs and JSON. For a link platform it means you can shorten links, read stats and man…

U

URL shortenerA URL shortener turns a long web address into a compact link that redirects to the original. Shorteners save space, look cleaner in messages and social posts, …UTM parametersUTM parameters are tags added to a URL (utm_source, utm_medium, utm_campaign, utm_term, utm_content) that tell analytics tools where a visit came from. They le…

V

Vanity URLA vanity URL is a short, human-readable custom link — like urlik.xyz/sale — chosen instead of a random code. Vanity links are easier to remember, safer-looking…

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