{"id":2844,"date":"2026-09-25T07:58:14","date_gmt":"2026-09-25T07:58:14","guid":{"rendered":"https:\/\/dygistic.com\/?page_id=2844"},"modified":"2026-09-25T08:03:49","modified_gmt":"2026-09-25T08:03:49","slug":"glossary","status":"publish","type":"page","link":"https:\/\/dygistic.com\/nl\/glossary\/","title":{"rendered":"SEO &#038; E-commerce Glossary"},"content":{"rendered":"\n<style data-wp-block-html=\"css\">.dyg-intro{font-family:\"Plus Jakarta Sans\",system-ui,sans-serif;margin:8px 0 40px;max-width:64ch}.dyg-intro .eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:#3B7A9E;margin-bottom:14px}.dyg-intro .eyebrow::before{content:\"\";width:20px;height:1px;background:#4A90B8;display:block}.dyg-intro h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;letter-spacing:-0.03em;line-height:1.08;color:#1C2333;margin:0 0 16px}.dyg-intro h1 em{font-style:normal;color:#3B7A9E}.dyg-intro p{font-size:17px;font-weight:300;color:rgba(28,35,51,.72);line-height:1.65;margin:0}<\/style>\n<div class=\"dyg-intro no-glossary\"><div class=\"eyebrow\">Glossary<\/div><h1>SEO &amp; e-commerce terms, <em>explained in plain English.<\/em><\/h1><p>Definitions of the terms I use in SEO, e-commerce and marketing automation. Every entry opens with a short definition and continues with the longer explanation, examples and what it means for your website.<\/p><\/div>\n\n\n<div class=\"dyg-index no-glossary\"><div class=\"dyg-search\"><input type=\"search\" class=\"dyg-search-input\" placeholder=\"Search terms...\" aria-label=\"Search glossary terms\"><\/div><nav class=\"dyg-letters\" aria-label=\"Jump to letter\"><span>A<\/span><a href=\"#dyg-B\">B<\/a><a href=\"#dyg-C\">C<\/a><span>D<\/span><span>E<\/span><span>F<\/span><a href=\"#dyg-G\">G<\/a><a href=\"#dyg-H\">H<\/a><a href=\"#dyg-I\">I<\/a><span>J<\/span><span>K<\/span><a href=\"#dyg-L\">L<\/a><span>M<\/span><span>N<\/span><a href=\"#dyg-O\">O<\/a><span>P<\/span><span>Q<\/span><span>R<\/span><a href=\"#dyg-S\">S<\/a><a href=\"#dyg-T\">T<\/a><span>U<\/span><span>V<\/span><span>W<\/span><a href=\"#dyg-X\">X<\/a><span>Y<\/span><span>Z<\/span><a href=\"#dyg-other\">#<\/a><\/nav><section class=\"dyg-group\" id=\"dyg-other\"><h2 class=\"dyg-letter\">#<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/404-error\/\" data-search=\"404 error 404 page not found 404 page\"><span class=\"dyg-card-term\">404 Error<\/span><span class=\"dyg-card-def\">The HTTP status code a server returns when a requested page does not exist. Too many 404s waste crawl budget and frustrate...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-B\"><h2 class=\"dyg-letter\">B<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/backlink\/\" data-search=\"backlink backlinks inbound link inbound links\"><span class=\"dyg-card-term\">Backlink<\/span><span class=\"dyg-card-def\">A link from another website to a page on your site. Search engines treat backlinks as votes of confidence, so relevant links...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-C\"><h2 class=\"dyg-letter\">C<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/core-web-vitals\/\" data-search=\"core web vitals cwv\"><span class=\"dyg-card-term\">Core Web Vitals<\/span><span class=\"dyg-card-def\">Google&#039;s three page-experience metrics: Largest Contentful Paint (loading), Interaction to Next Paint (responsiveness) and Cumulative Layout Shift (visual stability).<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-G\"><h2 class=\"dyg-letter\">G<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/ga4\/\" data-search=\"ga4 google analytics 4 google analytics\"><span class=\"dyg-card-term\">GA4<\/span><span class=\"dyg-card-def\">Google Analytics 4, Google&#039;s current analytics platform. It tracks users and events across web and apps and replaced Universal Analytics in 2023.<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-H\"><h2 class=\"dyg-letter\">H<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/hreflang\/\" data-search=\"hreflang hreflang tag hreflang tags hreflang attribute\"><span class=\"dyg-card-term\">Hreflang<\/span><span class=\"dyg-card-def\">An HTML attribute that tells search engines which language and country a page targets, so users in Germany see the German version...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-I\"><h2 class=\"dyg-letter\">I<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/international-seo\/\" data-search=\"international seo cross-border seo multilingual seo\"><span class=\"dyg-card-term\">International SEO<\/span><span class=\"dyg-card-def\">SEO for websites that target multiple countries or languages: choosing a URL structure, implementing hreflang, localising content and building authority per market.<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-L\"><h2 class=\"dyg-letter\">L<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/landing-page\/\" data-search=\"landing page landing pages\"><span class=\"dyg-card-term\">Landing Page<\/span><span class=\"dyg-card-def\">A standalone page built for one goal, such as a sign-up or purchase, that visitors &#039;land&#039; on from an ad, email or...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/local-seo\/\" data-search=\"local seo local search optimisation local search optimization\"><span class=\"dyg-card-term\">Local SEO<\/span><span class=\"dyg-card-def\">Optimising a business to appear in location-based searches such as &#039;plumber near me&#039;, mainly through the Google Business Profile, reviews, local citations...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-O\"><h2 class=\"dyg-letter\">O<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/off-page-seo\/\" data-search=\"off-page seo off page seo off-page optimization off-page optimisation\"><span class=\"dyg-card-term\">Off-Page SEO<\/span><span class=\"dyg-card-def\">Everything done outside your own website to improve its authority and rankings, mainly earning backlinks from other sites, plus brand mentions and...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/on-page-seo\/\" data-search=\"on-page seo on page seo on-page optimization on-page optimisation\"><span class=\"dyg-card-term\">On-Page SEO<\/span><span class=\"dyg-card-def\">Optimising the elements on a page itself, such as content, headings, title tags, meta descriptions, internal links and images, so search engines...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-S\"><h2 class=\"dyg-letter\">S<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/seo\/\" data-search=\"seo search engine optimisation search engine optimization\"><span class=\"dyg-card-term\">SEO<\/span><span class=\"dyg-card-def\">Search engine optimisation: the practice of improving a website so it ranks higher in the organic (unpaid) results of search engines like...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/structured-data\/\" data-search=\"structured data schema markup schema.org markup json-ld rich snippets markup\"><span class=\"dyg-card-term\">Structured Data<\/span><span class=\"dyg-card-def\">Code (usually JSON-LD using Schema.org vocabulary) added to a page so search engines understand what it is about, for example a product,...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-T\"><h2 class=\"dyg-letter\">T<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/technical-seo\/\" data-search=\"technical seo tech seo\"><span class=\"dyg-card-term\">Technical SEO<\/span><span class=\"dyg-card-def\">The part of SEO that makes a website easy for search engines to crawl, index and render: site speed, site structure, sitemaps,...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><section class=\"dyg-group\" id=\"dyg-X\"><h2 class=\"dyg-letter\">X<\/h2><div class=\"dyg-cards\"><a class=\"dyg-card\" href=\"https:\/\/dygistic.com\/glossary\/xml-sitemap\/\" data-search=\"xml sitemap sitemap sitemap.xml\"><span class=\"dyg-card-term\">XML Sitemap<\/span><span class=\"dyg-card-def\">A file that lists the URLs of your website so search engines can discover, crawl and index them more efficiently, including when...<\/span><span class=\"dyg-card-more\">Read more <svg width=\"12\" height=\"12\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14\"\/><path d=\"m13 5 7 7-7 7\"\/><\/svg><\/span><\/a><\/div><\/section><p class=\"dyg-noresults\" hidden>No terms match your search.<\/p><\/div><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"DefinedTermSet\",\"name\":\"Dygistic SEO & E-commerce 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