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    Reference Glossary

    Link Management Glossary

    Plain-language definitions with a real example, guidance on when the term matters, and a source to read next. Reviewed August 24, 2026.

    301 Redirect

    Technical

    A server response that tells a browser and search engine that a resource has moved permanently to another URL.

    Example

    old.example.com/guide → new.example.com/guide

    When it matters

    Use when the old address should permanently lead to the new address. Avoid it for a destination that is expected to change back.

    Read: MDN: 301 Moved Permanently

    302 Redirect

    Technical

    A server response that temporarily sends a visitor to another URL while the original address remains the intended long-term location.

    Example

    campaign.example.com → landing.example.com (temporary)

    When it matters

    Use when the move is temporary. Pick redirect behavior based on the destination's purpose, not on a guess about search ranking.

    Read: MDN: 302 Found

    Analytics

    Measurement

    Recorded information about link activity, such as clicks over time, device type, referrer, browser, or location where available.

    Example

    42 clicks · 60% mobile · top referrer: newsletter

    When it matters

    Use analytics to choose a next action. A click count is a signal, not proof of a sale, sign-up, or satisfied visitor.

    Backlink

    Search

    A link from one website to another. Search systems may use links as one signal among many when discovering and understanding pages.

    Example

    A local arts site links to your workshop page.

    When it matters

    Earn useful links by publishing something worth citing. A shortened URL is a sharing convenience, not a shortcut to search visibility.

    Read: Google Search: Link best practices

    Branded Short Link

    Sharing

    A short URL whose domain or path makes the organization, campaign, or destination recognizable.

    Example

    shrtnlynx.pro/fall-open-house

    When it matters

    Use a readable path when people will see, type, or hear the link. Keep private information and sensitive identifiers out of it.

    Call-to-Action (CTA)

    Content

    Words that tell a visitor what action to take next.

    Example

    Scan for the schedule · Read the case study · Book a call

    When it matters

    Pair a link with a specific outcome rather than a vague instruction such as “Click here.”

    Read: Nielsen Norman Group: Writing hyperlinks

    Click-Through Rate (CTR)

    Measurement

    The percentage of measured impressions that resulted in a click. The basic calculation is clicks divided by impressions, multiplied by 100.

    Example

    50 clicks ÷ 1,000 impressions = 5% CTR

    When it matters

    Compare CTR only when the channel, audience, date range, and definition of impression are comparable.

    Custom Short Code

    Sharing

    A user-chosen path segment used instead of a randomly generated short-link code.

    Example

    shrtnlynx.pro/spring-guide

    When it matters

    Choose a concise, stable name. Treat the code as public copy: anyone who sees it may infer its topic.

    Deep Link

    Technical

    A URL that points directly to a specific page, file, product, or screen rather than a site's homepage.

    Example

    store.example.com/products/blue-shoes rather than store.example.com

    When it matters

    Link to the page that completes the visitor's task. Test that path, query parameters, and any required sign-in still work.

    Expiring Link

    Access

    A short URL configured to stop working after a chosen date or time.

    Example

    A preview link available until 2026-09-30

    When it matters

    Use for temporary public campaigns or time-bound handouts. Protect confidential information with the destination's own access controls.

    Link-in-Bio

    Social

    A small landing page linked from a social profile that groups several useful destinations behind one profile URL.

    Example

    Book a call · Latest project · Newsletter · Contact

    When it matters

    Put one primary action first, keep labels outcome-focused, and remove old promotions before they become misleading.

    Read: W3C: Mobile accessibility

    Open Graph Tags

    Search

    HTML metadata that can describe a page's title, summary, and image when a platform creates a shared-link preview.

    Example

    og:title describes the article shown in a social preview.

    When it matters

    Set metadata on the destination page and preview the share before publishing. A shortener cannot fix missing or inaccurate destination metadata.

    Read: The Open Graph protocol

    Password-Protected Link

    Access

    A link that asks for a password before sending a visitor to its destination. A prompt alone is not a substitute for destination access control.

    Example

    A non-sensitive, temporary handout with an authenticated destination for restricted content

    When it matters

    Do not rely on a short-link password for confidential material. Use the destination's account and permission controls, and never carry a password in a URL.

    Read: OWASP: Authentication cheat sheet

    QR Code

    Offline

    A two-dimensional code that stores data, often a URL, so a phone camera can open or process it.

    Example

    Printed code → shrtnlynx.pro/event-schedule

    When it matters

    Print a clear instruction and a readable typed fallback. Test the final proof at its intended size and on more than one phone.

    Read: DENSO WAVE: About QR Codes

    Redirect Chain

    Technical

    A sequence in which one URL redirects to another, which redirects again before the visitor reaches the final page.

    Example

    short URL → tracking URL → old page → new page

    When it matters

    Keep the path as direct as practical. Extra hops can make troubleshooting, performance, and measurement harder.

    Read: MDN: Redirections in HTTP

    Referrer

    Measurement

    Information about the page or service that sent a visitor to a destination, when the browser and privacy settings provide it.

    Example

    A click reported as coming from a newsletter landing page

    When it matters

    Treat missing referrers as normal. Use consistent campaign parameters when a channel needs more reliable labeling.

    Read: MDN: Referer header

    Slug

    Technical

    The readable path portion of a URL that identifies a page or resource. In a short link, it is often the same idea as a custom code.

    Example

    The slug in example.com/events/open-house is events/open-house.

    When it matters

    Use short, lowercase words that are easy to type. Do not include personal information, access codes, or claims that may become untrue.

    UTM Parameters

    Measurement

    Query parameters that label a campaign's source, medium, name, content, or term for an analytics platform.

    Example

    ?utm_source=newsletter&utm_medium=email&utm_campaign=spring-open-house

    When it matters

    Set a naming convention before creating links. Use lowercase, avoid personal data, and do not add campaign tags to internal navigation unless you understand the attribution effect.

    Read: Google Analytics: Campaign URL builder

    Webhook

    Technical

    An HTTP request sent by one service to notify another service that an event occurred.

    Example

    A service sends a POST request when a new record is created.

    When it matters

    Verify the sender, authenticate requests, handle retries, and avoid putting secrets in URLs or unprotected payloads.

    Read: MDN: HTTP overview

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