GLOSSARY
Glossary for SEO, GEO and digital marketing
Search for a term and land straight on its definition. Every entry explains what it means, how it works and what it gets confused with.
terms
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All terms from A to Z
#
- 301 Redirect The permanent redirect.
- 302 Redirect How it differs from a 307, what really happens when a temporary redirect is left in place for months, and why maintenance, country detection and A/B …
- 400 Error A 400 error shows up when the server cannot read the request itself: a badly encoded URL, …
- 404 Error Why a 404 shows up, what a "soft 404" is and why Google treats it more seriously than a regular …
- 410 Error How it differs from a 404 in Google's eyes, what the code is really for, and why the idea that it deletes the URL from the index straight away …
- 500 Error What actually triggers a 500 error, how it differs from 502, 503, and 504, and why a one-off …
A
- A/B Testing Let the data decide.
- Accessibility overlay It is a script added to a website that promises to fix its accessibility automatically, without changing the site's source code.
- Accessibility statement It is the mandatory page on which a website declares its accessibility compliance level, known shortcomings, and how to file a complaint.
- Ad Rank Ad Rank is the arbitration Google resolves at every search to decide which ads get in and in what order they appear.
- AEO What AEO measures, how it differs from SEO and GEO, how answer engines work, and which mistakes …
- Affiliate Marketing How the affiliate link and attribution window work, and why every affiliate link needs the …
- Agentic Commerce It is a purchase or sale an AI agent executes on a person's behalf, following that person's instructions, through open protocols such as ACP or AP2.
- AI Agent It is a program a user activates to complete a specific task, visiting web pages in real time while doing so.
- AI citation What an AI citation is, how the linked pages get selected, and which part of all this can be measured today from your own property data.
- AI content labelling Labelling AI content means indicating how a piece was made, through a note visible to the reader or a machine-readable mark inside the file.
- AI crawlers Automated agents from OpenAI, Anthropic, Perplexity and Google that fetch web pages to train models, fill their own search indexes, or look a URL up …
- AI Max for Search campaigns It is a set of generative AI features added to an existing Search campaign to broaden matching and dynamically generate headlines and final URLs.
- AI Mode AI Mode is Google's AI-powered search mode, where the user asks long questions and gets a written answer with links instead of the classic list of …
- AI Overview Google's AI answers.
- AI referral traffic What AI referral traffic is, how it does and does not reach analytics, and how to make it visible in your own account.
- AI Share of Voice It is the percentage of mentions a brand receives out of all tracked brands' mentions within the same set of prompts.
- AIDA Model Where the AIDA model actually comes from and why its authorship is shakier than usually …
- Alt Attribute Describes your images for Google and accessibility.
- Amazon SEO Which factors Amazon's search actually uses, whether the term "A10" comes from Amazon itself or …
- AMP A restricted HTML format for very fast mobile pages that was near mandatory for news publishers and that no longer provides any advantage in Google …
- Anchor Text The linking text matters.
- ASCII Code How ASCII differs from Unicode and UTF-8, why a 1963 standard still decides which characters a …
- Attribution model The rule that decides which channel gets credit for a conversion, and why the list of available models is much shorter today than it was three years …
- Author profile A page that identifies whoever signs a piece of content and makes their background checkable, with Google documenting neither an author rich result …
- Average Order Value (AOV) AOV measures how much a shop bills per order, and its usefulness depends entirely on which revenue and which orders go into the formula.
B
- Backlink A vote of confidence for your site.
- bfcache (back/forward cache) It is a browser memory that saves a full page when leaving it, so it can be restored instantly if the user navigates back.
- Black Hat SEO Forbidden tactics that Google punishes.
- Bounce Rate When users leave without doing anything.
- bove the Fold What you see without scrolling.
- Brand Bidding What Google Ads actually allows when bidding on someone else's brand name, where the trademark …
- Breadcrumb The three breadcrumb types that exist, how to mark one up with BreadcrumbList in JSON-LD, and …
- Broken Link Building It is a link building tactic that finds broken links on other websites and offers one's own link as a replacement.
- Buyer Persona Where the term comes from, how it differs from a target audience, and how to build a buyer …
C
- Call to Action Which CTA type fits which stage of the marketing funnel, why an aggressive buy button can scare …
- Canonical Prevents duplicate content.
- Cart abandonment Metric that compares carts created with purchases confirmed and shows which stretch of the buying journey loses the customer.
- CDN Why a CDN does not fix a site made slow by its server, why the crawler can receive a different answer from your customers, and what breaks when …
- Chunking (content chunking) How and why a retrieval system splits a document into pieces, and where the conclusions you can draw from that for a website run out.
- Churn Rate What churn rate measures, how it is calculated in its customer and revenue versions, and why two companies applying the same formula end up with …
- Click Depth Why shortening a URL brings the page no closer, what really decides distance, what happens to whatever sits at the back, and why the three-click rule …
- Cloaking What Google's definition says exactly, why dynamic rendering is not cloaking, which edge cases exist, and how to check it with two requests.
- CLS Why "cumulative" does not mean summing the whole visit, which shifts fall out of the calculation and why, the four causes that show up in almost …
- CMP (consent management platform) A CMP is the system that informs, collects and records the user's decision about the processing of their data and passes it on to the site's tags and …
- CMS What a CMS actually does under the hood, how a headless CMS differs from a traditional one, and …
- Consent What conditions make consent valid under GDPR and the ePrivacy Directive, how a CMP blocks and …
- Consent mode Consent mode tells Google tags whether the user has authorised measurement and advertising, through four signals and two implementation versions with …
- Content Cluster Cover a topic with interlinked content.
- Content Credentials (C2PA) A signed provenance record documenting how a file was created and edited, with the caveat that metadata rarely survives the journey across the …
- Content Gap A practical guide to finding the topics your audience searches for and your site does not cover, with the data sources that work and the structural …
- Content Marketing Content that attracts customers.
- Content Pruning Which four situations exist and why only one ends in retirement, which three figures you need before deciding, and why redirecting to the homepage is …
- Content refresh It is the practice of reviewing and improving an already published page, instead of removing it, when its content has become outdated but still holds …
- Context Window It is the maximum amount of text, measured in tokens, an AI model can take into account at once when generating a response.
- Conversion When a visitor does what you want.
- Conversion Funnel What a conversion funnel measures stage by stage, the classic e-commerce funnel example with …
- Cookie What a cookie actually is, how first-party cookies differ from third-party ones, when consent …
- Cookie wall (consent or pay) It is a screen that blocks access to content until the user consents to tracking or pays for an ad-free alternative.
- Core update Broad, announced change to Google's ranking systems that reorders results without implying that specific pages did anything wrong.
- Core Web Vitals What LCP, INP and CLS actually measure, which thresholds count as good in 2026, why INP …
- CPC What you pay for each click.
- CPM How to calculate CPM with the exact formula, how it differs from CPC and CPA, and why a low CPM …
- Crawl Budget How much Google crawls your site.
- Crawler How a web crawler actually works, which crawler types exist in 2026 (classic indexing, AI …
- Crawling How Google discovers your site.
- CRM What a CRM actually stores, how it differs from an email marketing tool, and why its data is …
- CRO Conversion Rate Optimization.
- Cross-Selling How it differs from up-selling, how recommendation algorithms and structured data automate it, …
- CTA The button that turns visitors into customers.
- CTR The share of clicks you get.
- Customer Acquisition Cost (CAC) CAC spreads all acquisition spend across the new customers of a period and does not match the cost per conversion an advertising platform reports.
- Customer Journey The classic phase model buyers move through, why the real path is rarely linear, and what gets …
- Customer Lifetime Value Which formulas calculate CLV, why it should clearly outweigh the cost of acquiring a customer, …
- Customer Match (first-party audience targeting) A guide to using your own customer lists in Google Ads: preparing the file, matching against user accounts, requirements on where the data came from, …
D
- Dark patterns A dark pattern pushes the user towards a decision they would not have taken if the same information had been presented neutrally.
- Dark Web What really separates the dark web from the deep web, how the onion routing behind Tor works, …
- Data Clean Room It is a technical environment where two or more parties match their data to get aggregated results, without either seeing the other's raw data.
- Data Layer What the data layer is, how it differs from Google Tag Manager and GA4, and why the order of initialisation decides whether values arrive at all.
- Data-driven attribution The model that splits conversion credit from the real paths of your own account instead of from a rule fixed in advance.
- Deep Link What separates a web deep link from an app deep link, how custom URI schemes, Universal Links …
- Demand Gen The Google Ads campaign type that works with image and video against audiences defined by the advertiser, rather than waiting for anyone to type a …
- Demographic Data In Google Analytics 4, demographic data only shows up for the share of users who are signed …
- Digital Fairness Act It is a legislative initiative announced by the European Commission, with no published text as of August 2026, expected to address dark patterns and …
- Digital PR Public relations in the digital age.
- Disavow A Search Console tool reserved for link profiles under a manual action, with a strictly formatted text file and an effect that takes weeks both to …
- Discussion Forum structured data It is the markup that identifies threads, posts and replies in a forum or community, so Google can show them as a dedicated rich result.
- Dofollow Where the word dofollow comes from, why typing rel="dofollow" in the code has no recognized …
- Domain For most people, a domain is just a website's address. In SEO it's also the unit tools use to calculate metrics like Domain Authority or Domain …
- Domain Authority The strength of your domain.
- Domain Rating Authority according to Ahrefs.
- Doorway Page For years it was explained as a page built only for the search engine, with an automatic redirect to the real website the moment the user clicked. …
- Double Opt-in Whether double opt-in is an explicit legal requirement in Germany or a practice that follows …
- Duplicate Content The silent enemy of SEO.
- Dwell Time How long users stay on your page.
E
- E-Commerce The three e-commerce models, the SEO challenges typical of an online store (product pages, …
- E-E-A-T Experience, Expertise, Authority, Trust.
- Embedding (vector representation) An embedding places content in a space where distance indicates similarity of meaning, and that similarity says nothing about whether the content is …
- Engagement The metric that replaced bounce rate.
- Enhanced conversions Google Ads matches hashed first-party data from the conversion process against its signed-in accounts to attribute conversions that cookie tracking …
- Entity Why the entity is the thing and not the word, how it becomes recognisable through agreement, and why a sameAs link derived from a name can point at …
- ETIM The European standard for product classification.
- EU-US Data Privacy Framework It is the adequacy decision that allows personal data to move from the EU to certified US companies without additional safeguards.
- European Accessibility Act (EAA) The European directive that imposes accessibility requirements on certain consumer products and services, applied in Spain through Law 11/2023 and …
- Event Tracking Recording of specific actions taken by the people who use a site or an app, with an event name and the parameters that describe it.
- Evergreen content What makes content evergreen, what Google's documentation says about queries that call for freshness, and how to maintain an evergreen page without …
- Exit rate Exit rate points to the pages where the visit ends, a different reading from the one bounce rate offers, and one that Google Analytics 4 makes you …
- Expired Domain Abuse It is the practice of purchasing an expired domain and repurposing it, primarily, to manipulate search rankings through low-value content.
F
- Faceted Navigation Why one more filter multiplies instead of adding, which combinations deserve to be a page and which are only a view, and why closing everything at …
- Favicon Why a subdirectory cannot have its own icon while a subdomain can, where it is declared and where the file may live, how long a change takes, and why …
- Featured Image The image that represents your content.
- Featured Snippet Position zero in Google.
- Field data (Chrome UX Report) Field data measure what real users of a website experience, and the Chrome UX Report is the public dataset where Google aggregates them for the Core …
- First-Party Data First-party data is the data a company collects in its own channels and keeps under its own responsibility, under the consent conditions European law …
- Funnel The path from stranger to customer.
G
- GA4 BigQuery export The export sends the raw events of a GA4 property to BigQuery, one row per event, so they can be queried with SQL without the aggregations of the …
- GDPR What principles the GDPR imposes on any website with European visitors, how it differs from …
- GEO Generative Engine Optimization: getting visible in AI answers.
- GET Parameter What GET parameters are used for in filtering, sorting and pagination, why they create …
- Google Ads Paid advertising in the number 1 search engine.
- Google Analytics Understand what your visitors do.
- Google Business Profile Your listing in Google Maps.
- Google Discover Organic traffic without a search.
- Google Penalty When Google penalizes your site.
- Google Search Console Your free SEO dashboard.
- Google Shopping (Shopping ads) Google's product formats feed on the catalogue submitted to Merchant Center, and that is where visibility is won or lost.
- Google Signals Which reports Google Signals unlocks on top of normal event tracking, why it only covers a …
- Google Tag Manager Manage your tags without code.
- Google-Extended The robots.txt token that governs how your content is used in the Gemini models, and that does not control the generative answers inside Search.
- Grounding The property that measures how far what a generated answer claims is actually held up by the documents it says it consulted.
- GTIN It is the number that uniquely identifies a retail product, with the same value across any shop or catalog that sells it.
- Guest Posting Publishing as a guest on someone else's site is normal; what decides whether it meets the guidelines is the consideration behind the link and how the …
H
- Hallucination A generative AI system can state something untrue about your company with complete confidence, and the complaint lands with you, not with the model …
- Hashtag How many hashtags actually make sense on Instagram, X and LinkedIn in 2026, why the network …
- Heading structure The h1 to h6 hierarchy a page uses to announce its sections, with clear rules in accessibility and a lot of unsupported belief in SEO.
- Heatmap Which heatmap types exist, why mouse movement isn't the same as where a user actually looks, …
- Hreflang Multilingual SEO.
I
- I Visibility Track your brand in ChatGPT and Gemini.
- IAB TCF (Transparency and Consent Framework) It is the IAB Europe standard that encodes a user's consent decision into a technical string (TC String) that ad platforms can read.
- Impression When Search Console counts an impression for a search result, when Google Ads counts one for an …
- Impression Share Impression share is the only standard Google Ads metric that quantifies the opportunities that got away from you instead of the ones you took.
- Inbound Marketing Where the term comes from, the four stages that originally shaped it, and how it fits with …
- Incrementality test An experiment with a control group that separates the conversions caused by advertising from those that would have occurred without it.
- Index Bloat Why more indexed pages is not better, which four parts a bloated index is made of, what it really costs, and why canonical, noindex and robots.txt …
- Indexing How Google indexes your content.
- IndexNow IndexNow lets you notify the participating search engines as soon as a URL changes, through an HTTP request and a key hosted on the domain; Google is …
- Information gain A concept taken from a Google patent family that describes how much new information a document adds compared with what the user has already read on …
- INP Why the moment the response becomes visible counts rather than the end of the work, the three phases each interaction breaks into, what replacing FID …
- Internal Linking Which link types exist, how they pass PageRank between pages, what anchor text works best, and …
- International SEO Rank in several countries and languages.
- IP Address What an IP address is, how IPv4 differs from IPv6, what static and dynamic mean, and when an IP …
- ITP (Intelligent Tracking Prevention) An explanation of Safari's Intelligent Tracking Prevention: how the browser classifies domains with tracking capability, how the storage windows have …
J
K
- Key event The key event is the marker that identifies the business-critical action inside Google Analytics 4, while the word conversion applies to what is …
- Keyword Cannibalization When your own pages compete with each other.
- Keyword Density Why this metric comes from early-2000s search algorithms, what Google has actually said about …
- Keyword Difficulty A score each tool vendor calculates with its own formula to estimate how much work it would take to break into the top results for a search.
- Keyword match types The Google Ads setting that determines how much distance the system allows between the keyword you bought and the actual search that triggers the ad.
- Keyword Research The base of every SEO strategy.
- Keyword Stuffing What Google's official spam policies say about keyword stuffing, the visible and hidden forms …
- Knowledge Graph The Knowledge Graph is Google's database of entities, and telling entity, node and panel apart decides where you invest when your brand does not show …
- KPI The metrics that really count.
L
- Landing Page One page, one goal.
- Lazy Loading What the browser actually decides and why there is no fixed pixel value, where the attribute saves data and where it ruins LCP, what else is needed …
- LCP Which elements enter the calculation and why it is rarely the one you assume, the four sub-parts the metric breaks into, why lab and field scores …
- Lead Generation Turning visitors into sales opportunities.
- Lead Nurturing What lead nurturing is as a process, how a sequence is ordered from the moment the contact enters to the handover to sales, and why consent is the …
- Link Building The authority other sites give you.
- Link Building Backlinks and domain authority.
- Link Juice The value that flows through links.
- Link Profile This article doesn't repeat what a backlink is or how Domain Authority gets calculated, both already covered elsewhere in this glossary. Here the …
- LLM (large language model) An LLM calculates probable continuations instead of querying a record, and that difference produces invented details, varying answers, and the delay …
- LLMO Optimization for language models.
- llms.txt A proposed Markdown file at the root of a domain that lists the key content for language models, with no demonstrated uptake by search engines or AI …
- Local Pack The block of map plus business listings that Google shows for queries with local intent, and the rules that decide who gets in.
- Local SEO Searches near me.
- Log File Analysis Which five pieces one log line carries, why the user agent field cannot be believed without verification, which three questions only the log answers, …
- Long-Tail Keyword Less volume, more conversion.
M
- Marketing Automation Automating your marketing.
- Marketing Mix Modeling (MMM) A statistical technique that estimates each channel's contribution to sales from aggregated time series, without data on individual users.
- MCP (Model Context Protocol) It is an open protocol that standardizes how an AI model connects to external data sources and tools, instead of a separate integration for each one.
- Meta Description Your free ad in Google.
- Meta Keyword Why Google stopped using the meta keywords tag back in 2009, what Bing actually does with it …
- Meta Tags Which meta tag types exist, which ones affect rankings directly, and which only handle …
- Mobile First Google indexes your mobile version.
- Modeled conversions Estimates that Google adds to reports when a conversion happened but could not be observed directly.
N
- n Orphan Page The page nobody links to.
- n XML Sitemap The XML map that guides Google.
- NAP Data The name, address and phone number of a business with a physical location, published identically on its website, in its Google profile and in the …
- Negative keywords Terms excluded in Google Ads so that an ad does not serve when the search contains them.
- Negative SEO When someone attacks your rankings.
- Newsletter What a newsletter's open rate actually measures, why Apple has distorted that number since …
- Nofollow What changed in 2019 in how Google interprets the nofollow attribute, when to use sponsored and …
- Noindex Tell Google NOT to index a page.
O
- Off-Page SEO Backlinks, PR and authority.
- On-Page SEO Optimize each page individually.
- On-Page SEO Everything you can control on your page.
- Open Graph Which og: properties are essential, why they control the social preview instead of the Google …
- Organic CTR Organic clicks in Google.
- Organic Search What separates organic search from paid ads, how Google builds it through crawling and …
- Organic Traffic Free visits from Google.
P
- Page Speed The speed Google demands.
- PageRank The real difference between the PageRank algorithm, which Google still uses, and the visible …
- Pagination How page numbers, load more buttons and infinite scrolling differ, why a canonical to the first page empties the catalog, and why noindex on page two …
- Pay per crawl It is a model that charges an AI crawler for each page visit, using the HTTP 402 response code as a payment barrier.
- PBN A set of sites under one hand that exist to send links to a target website, with the risk landing on whoever receives those links.
- People Also Ask The expandable block of related questions Google places among its results, with every answer pulled from an already indexed page and no markup …
- Performance Max A guide to the campaign type that spreads one budget across Google's whole inventory: what can be measured today, what still cannot be controlled, …
- Pillar Page The base of your content strategy.
- PPC Advertising where you only pay per click.
- Prerendering How the four moments at which HTML can exist differ, why Google calls dynamic rendering a workaround, and why prerendering alone does not fix the …
- Product feed The feed is the data contract between store and Google, and a price that drifts from the product page is enough for the item to stop showing.
- Product schema markup The markup that describes an item and its offer in machine-readable form, and that decides whether the page shows up in Google with price, …
- Prompt A prompt is not a keyword but a text that enters the calculation in full, which is why anyone measuring visibility in AI answers is always also …
Q
R
- RAG How AI searches before it answers.
- Ranking Factor Which factors Google has confirmed by name and date (HTTPS, mobile-friendliness, Core Web Vitals, helpful content), what correlating signals are that …
- Redirect Chain Why the cost grows faster than the hop count, what Google actually says about how many it tolerates, why shortening the rules without fixing the …
- Remarketing Win back the visitors who left.
- Responsive Design A site that adapts to every screen.
- Responsive search ads (RSA) The text format in which the advertiser hands over loose headlines and descriptions and Google decides in every auction which combination gets served.
- Retail Media It is advertising shown inside a retailer's digital environment, funded by brands and built on that retailer's own first-party purchase data.
- Retargeting How the industry separates retargeting from remarketing, what Chrome's cookie reversal actually …
- Rich Results Since when Google has officially called what the SEO industry still calls a rich snippet a …
- Rich Snippet Enriched search results.
- ROAS What you earn for every euro spent on ads.
- Robots.txt Controls what search engines crawl.
- ROI Measure the return on your investment.
- RSL (Really Simple Licensing) It is a standard that adds a licensing directive, with an optional price, to robots.txt for content AI systems crawl.
S
- Scaled content abuse Google spam policy that judges the purpose and the volume of the pages published, not who or what wrote them.
- Schema.org Structured data for SEO.
- Scroll depth Scroll depth tells you how far down the page a user got, a figure Google Analytics 4 collects by default at a single threshold and one that says less …
- SEA How the Google Ads auction works through Ad Rank, why the highest bidder doesn't automatically …
- Search Intent Understanding what the user searches for.
- Search Volume Search volume estimates the average demand for a term, arrives rounded and grouped with its variants, and equals neither impressions nor visits.
- Segmentation The four classic types of segmentation, how a segment is built in Google Analytics 4 versus a …
- SEM Search Engine Marketing: advertising in search engines.
- SEO Search Engine Optimization: everything you need to know.
- SERP The page where everything is decided.
- SERP Feature The special elements in Google results.
- Server-Side Rendering (SSR) Server-side rendering delivers fully built HTML to the browser, so the content no longer depends on client-side JavaScript running without errors.
- Server-Side Tracking A measurement model in which the browser sends a single event to a server you own, and that server decides which data reaches which tool.
- Session How GA4 technically defines the start and end of a session, what changed compared to Universal …
- SGE Google's generative search.
- Site reputation abuse Google bans publishing third-party pages on someone else's domain to exploit its rankings, and since November 2024 first-party oversight no longer …
- Sitelinks Sitelinks are the internal links Google groups beneath a search result; they are generated automatically, and the only lever available is the …
- Sitemap The map of your site for Google.
- Sitemap index A sitemap index bundles several sitemap files under a single address and keeps a site manageable once it grows past 50,000 URLs.
- Smart Bidding A guide to Google Ads' conversion-oriented automated bidding strategies: what they require in data, what happens during calibration, and which …
- SO SEO for mobile apps.
- Social Media Marketing What organic content, paid advertising, and community management each contribute, and how the …
- Soft 404 Why redirecting to the homepage counts as a soft 404, which four sources nearly all of them come from, what they really cost in crawl budget, and …
- Speculation Rules API It is a browser API that preloads or prerenders pages before the user clicks, so the next view loads almost instantly.
- SSL / HTTPS The security Google demands.
- Structured Data Which format Google recommends (JSON-LD) versus Microdata and RDFa, what rich results actually …
- SWOT Analysis What separates a strength from an opportunity, how to build the matrix without it turning into …
T
- Target Audience What criteria define a target audience, how it differs from a buyer persona, and how to …
- Targeting The targeting types in use today, why behavioral targeting keeps losing ground to contextual …
- TDM Rights Reservation (TDMRep) It is the technical signal a rights holder uses to declare that text and data mining of their content, including AI model training, is not authorized.
- Technical SEO The invisible base of your rankings.
- Thin Content Pages without value that Google penalizes.
- Title Tag What Google rewrites in a title tag and why, how long it can run before search results cut it …
- Topical Authority Become the reference for your topic.
- Tracking Pixel How a 1x1 pixel triggers a server call, what role third-party cookies still play in Chrome in …
- Traffic What sets users, sessions and pageviews apart, which channels bring traffic to a site, and why …
- TTFB Which stages sit inside the value and why the backend is usually the fastest, why a single redirect repeats the whole preceding chain, how to …
- Twitter Card Which tags X reads today, which card types are left, how the Open Graph fallback works, and how to check the result now that the official validator …
U
- UGC attribute A guide to the rel="ugc" value: which links it marks, how it combines with nofollow and sponsored, and what Google’s hint treatment has meant since …
- Unlinked Brand Mention It is a brand name appearing in a text, AI answer or web page without that name being turned into a hyperlink to the brand's site.
- Up-Selling How it differs from cross-selling, how the order in which variants get shown shapes the …
- URL Shortener Bit.ly, well known since 2008, is the most familiar example of a URL shortener, but the term …
- URL Slug The readable part of your URL.
- User Intent What the user is really looking for.
- UTM Parameters Tags added to a URL that reveal which campaign a visit came from, including which ones GA4 reports today and what they imply for indexing.
- UX The experience that decides whether a user stays.
V
- Value-based bidding It is a form of automated bidding that optimizes spend based on each conversion's economic value, not just how many conversions occur.
- Video SEO It is the set of practices that help a video get indexed, understood, and shown in search results, including the dedicated video carousel.
- Viewport Which three widths get confused when talking about a screen, why text comes out tiny without the tag, why zoom should never be locked, and what else …
- Visual search It is a form of search that starts from an image instead of a text query to find visually similar products or information.
- Voice Search How to optimize for Alexa, Siri and Google Assistant.
W
- WCAG (Web Content Accessibility Guidelines) The W3C technical standard that turns web accessibility into verifiable criteria, with three conformance levels and a current version that European …
- Web accessibility Web accessibility covers the technical requirements that make a site usable with a screen reader, by keyboard alone or with enlarged text, and since …
- Web Analytics What sessions, users and engagement rate actually measure in GA4, why the classic bounce rate …
- Webinar What separates a live webinar from a recorded one, how sign-up pages turn viewers into leads, …
- White Hat SEO Ranking by playing fair.
- Wireframe The difference between low-fidelity and high-fidelity wireframes, when each one fits in the …
- World Wide Web Who invented the Web at CERN and when, what technically separates it from the Internet, and why …
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