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91. Glossary

    hreflang

    The hreflang attribute is an HTML or HTTP header declaration that website operators use to mark language-specific or country-specific variants of a page, so that search engines show users th …

    glossar › seo-content › hreflang
92. Glossary

    HTML Heading Structure (H1–H6)

    The HTML heading structure uses the tags H1 to H6 to define the hierarchical organisation of the content on a web page, from the top-level H1 down to subordinate subheadings. It provides vis …

    glossar › seo-content › html-ueberschriftenstruktur
93. Glossary

    HTTP/3 (QUIC)

    HTTP/3 is the latest version of the HTTP protocol for transferring web content. It is based on QUIC, a transport protocol originally developed by Google and now established as an open intern …

    glossar › web-performance-technik › http3-quic
94. Glossary

    Image Compression (WebP & AVIF)

    WebP and AVIF are modern image formats that reach markedly smaller file sizes than JPEG or PNG at comparable visual quality, and so directly improve the loading speed of a website along with …

    glossar › web-performance-technik › bildkompression-webp-avif
95. Glossary

    INP (Interaction to Next Paint)

    INP measures the time from a user interaction — a click, tap or key press — to the browser's visible response, and has been one of Google's three official Core Web Vitals since March 2024, w …

    glossar › web-performance-technik › inp
96. Glossary

    Instagram Shopping

    Instagram Shopping covers product tags in posts and reels as well as a dedicated shop tab on the profile, through which users discover products and are taken to the merchant's website. The f …

    glossar › ecommerce-social-commerce-seo › instagram-shopping
97. Glossary

    Internal Linking

    Internal linking refers to hyperlinks that point from one page of a website to another page on the same website, making thematically related content accessible to readers and search engines …

    glossar › seo-content › interne-verlinkung
98. Glossary

    IP Anonymisation

    IP anonymisation is the truncation or encryption of IP addresses in analytics and log data, so that individual website visitors can no longer be uniquely identified from it.

    glossar › datenschutz-recht › ip-anonymisierung
99. Glossary

    JSON-LD

    JSON-LD (JavaScript Object Notation for Linked Data) is the format Google recommends for embedding schema.org structured data as a self-contained script block in the HTML of a web page, so t …

    glossar › strukturierte-daten › json-ld
100. Glossary

     Keyboard Navigation

     Keyboard navigation means that all interactive elements of a website – links, buttons, forms, menus – can be reached and operated entirely without a mouse, using the keyboard alone.

     glossar › digitale-barrierefreiheit › tastaturnavigation