A/B Testing
MarketingShowing two versions of a page or element to different visitors at the same time, then measuring which one drives more conversions — replacing opinion-driven…
Web, design, code, and marketing — without the jargon.
Showing two versions of a page or element to different visitors at the same time, then measuring which one drives more conversions — replacing opinion-driven…
The part of a webpage that's visible before the visitor scrolls — a term borrowed from newspaper print — the area where the headline, value prop, social proof,…
Designing and building a website so people with disabilities — vision, hearing, motor, cognitive — can actually use it, not just open it, and so the rest of…
A go-to-market approach where marketing and sales target a short, named list of high-value accounts with custom campaigns, instead of fishing for whoever…
An AI system that can take actions on its own — booking meetings, sending emails, querying databases, running code, updating records — instead of just…
When an AI model credits your website as a source in its answer — the new equivalent of ranking on page one, and increasingly the most important metric to…
Tools that try to guess whether a piece of writing was generated by an AI model — used by publishers, schools, and clients, with accuracy that ranges from…
An automated bot that AI companies use to read websites and feed the content into their models or live answer engines — including GPTBot, ClaudeBot,…
The clickable words inside a hyperlink — both the user-friendly label that humans read and a signal to search engines about what the destination page is…
The total amount of subscription revenue a company expects to collect in a year, normalized from monthly contracts — the headline metric every SaaS board and…
Optimizing your content so AI answer engines like ChatGPT, Perplexity, and Google AI Overviews quote you directly when buyers in your market ask a question —…
A web framework built for content-heavy sites that need to load instantly. It ships almost no JavaScript by default, which is why marketing sites built in…
The work of assigning credit to the marketing touchpoints that contributed to a sale — first click, last click, or some weighted model in between — so you know…
The average amount a customer spends per order, calculated by dividing total revenue by total orders — one of the cleanest signals of whether merchandising and…
Selling products or services online from one business to another — with logged-in catalogues, negotiated pricing, purchase orders, and multi-step approval…
A link from another website to yours — historically the single biggest ranking signal in SEO, and still one of the clearest ways search engines decide which…
A hosted e-commerce platform built for mid-market and enterprise brands, with strong native B2B features, an open Storefront API, and fewer per-transaction…
The full system that defines how a brand looks, sounds, and behaves — name, logo, type, color, tone, story — not just the logo, but everything that makes the…
How often and in what context your company gets named when people ask AI models questions in your category — the new equivalent of share of voice in organic…
The short, sharp answer to who you are for, what you do, and why anyone should pick you over the alternatives — the strategic spine every single piece of…
A small, mostly static website that exists to present a company's offer — homepage, about, services, contact — without complex functionality, a content engine,…
The decision to either build software in-house or buy it off the shelf — a tradeoff between control, cost, speed, and how strategic the thing actually is to…
A semi-fictional profile of the person you are trying to sell to — role, goals, pain points, tools they already use — built so the team can write and design…
Storing a copy of a page, image, or piece of data so it can be served instantly the next time it's requested — instead of regenerating it from scratch on every…
The line of copy or the button on a page that asks the visitor to do the next specific thing — book a demo, start a trial, download the guide. The hinge that…
A tag that tells search engines which version of a page is the original when duplicates or near-duplicates exist, so ranking signals consolidate on one URL…
When a shopper adds products to their cart but then leaves the site before paying — the most expensive moment in e-commerce, where buyer intent meets friction…
A single dedicated page that tells the story of one customer's outcome with your product — the problem, what changed, and the numbers — used by buyers to…
OpenAI's web-connected search inside ChatGPT that answers questions with live results and citations — built into the same chat window people already use to…
The work of making checkout faster, simpler, and harder to abandon — shorter forms, fewer steps, better payment options, and a flow that reassures shoppers…
Anthropic's AI assistant, known for careful reasoning, long context windows, and being a favorite among developers and writers who want a model that does not…
A defined palette of brand and UI colors — with rules for when and how to use each one — so a product stays visually consistent over time and doesn't quietly…
A page that directly compares your product to a named competitor or category alternative — usually built to capture high-intent search traffic from buyers who…
A reusable set of pre-built UI pieces — buttons, forms, cards, modals, navigation — that designers and developers pull from instead of building each one fresh…
An approach to building websites and digital products where each capability — CMS, search, payments, analytics — is a separate specialized service, connected…
An e-commerce strategy of picking specialized tools for each job — cart, search, payments, content, analytics — and stitching them together with APIs, instead…
A global network of servers that stores copies of your site close to visitors, so pages load fast in São Paulo, Sydney, and Stockholm without every request…
The software your marketing team uses to publish and update content on a website without writing code — the back-end where pages, posts, and assets get…
Earning customer attention by publishing things people actually want to read, watch, or use — instead of renting that attention back with paid advertising…
The strategic work of deciding what types of content your business publishes, what fields each type has, and how they relate to each other — done before any…
A content setup that treats your website like a product — structured data, a custom editing interface, and clear workflows — instead of a folder of pages held…
The people, tools, and processes behind getting content from idea to published live — covering planning, writing, review, publishing, and measurement across…
A CMS feature that tracks every change to a piece of content over time, letting editors see who changed what and when, and roll back to a previous version when…
The defined steps a piece of content moves through from initial idea to published — typically draft, review, approval, publish — set up so nothing ever ships…
The maximum amount of text an AI model can read and remember in a single prompt — measured in tokens, and the hard limit that decides whether the model can…
Searching by having a back-and-forth conversation with an AI assistant instead of typing a single keyword query — follow-up questions, refinements, and shared…
The percentage of website visitors who complete a target action — a signup, a demo booking, a purchase — divided by total visitors. The clearest single score…
The practice of systematically improving the percentage of website visitors who take a desired action — sign up, book a demo, buy — instead of just chasing…
The notice that pops up to ask visitors whether they consent to tracking cookies — legally required in many regions, almost universally hated by everyone…
Google's three benchmark metrics that measure how fast a page loads, how quickly it responds to clicks, and how stable the layout feels as it renders — used in…
The Core Web Vital that measures how much a page jumps around visually as it loads — penalising sites where buttons, ads, or content shift unexpectedly under…
Building a website from scratch with a designer and developer, instead of using a template or no-code platform — owned by you, shaped to your business, no…
What it costs, fully loaded, to win one new customer — every dollar of ad spend, salary, software, and sales commission divided by the number of customers you…
The full path a person takes from first hearing about your category to becoming a happy paying customer — every search, click, conversation, comparison, and…
The total revenue you expect to earn from one customer across the entire relationship — the single number that tells you how much you can afford to spend…
The hub that collects every case study and customer success story in one place — usually filtered by industry, use case, or company size so buyers can find a…
An alternate color theme that uses dark backgrounds and light text — easier on the eyes in low light, increasingly expected by users, and impossible to add…
A shared set of components, design tokens, and rules a team uses to design and build a product, so every page looks coherent and no one is reinventing a button…
The named values behind a design system — colors, spacing, font sizes, radii — stored as variables so a single change updates every screen instead of every…
A central library for images, video, and other files where teams store, tag, and reuse media — so nobody is digging through old folders or re-uploading the…
The shift from running a business on paper, email, and legacy software to running it on connected digital tools — usually involving new tech, new processes,…
A business model where a brand sells its products straight to the shopper through its own channels, skipping retailers and wholesalers, and owning the full…
The kickoff phase of a project where the team digs into goals, audience, content, and competition before any design or code happens — the part that quietly…
The internet's phone book — DNS translates the domain name you type into the numeric address computers use to find the right server, and it does so in…
A third-party score from 0 to 100 that estimates how strong a website's SEO is — useful for relative comparison, but not a direct Google ranking factor despite…
The human-readable address visitors type to reach your website — like roelu.com — instead of the string of numbers the internet actually uses to find the…
A CMS feature that lets editors save and preview unpublished content on the actual live site before it goes public, so the team sees exactly what visitors will…
Google's framework for judging content quality — Experience, Expertise, Authoritativeness, and Trustworthiness — and the lens its human quality raters use when…
Using email to talk to people who asked to hear from you — newsletters, drip sequences, product updates, promotional offers — still the highest-ROI channel in…
A dedicated page for a single product feature — what it does, who it is for, why it matters, and how to try it — built to rank for feature-specific searches…
The answer box at the top of Google results that pulls a direct excerpt from a ranking page — also called position zero, and still one of the highest-value…
The browser-based design tool most product and marketing teams use to design websites, apps, and interfaces — collaborative, fast, and the de facto standard…
The performance metric that measures how long it takes for the first piece of content — any text, image, or graphic — to appear on the screen after a visitor…
A visual website builder built by the team behind a popular design tool, designed for designers — strong on animation and design fidelity, lighter on CMS depth…
The European Union's data protection law — the one that gave the world ubiquitous cookie banners, data subject access requests, and very large fines for sloppy…
Shaping your content so generative AI tools like ChatGPT and Gemini surface your brand inside their answers — the next layer of search, built around language…
The plan for how a company will reach customers, position the product, set pricing, choose channels, and book revenue — turning a thing that exists into a…
Google's AI-generated summaries that appear at the top of search results, answering the query directly with content pulled from across the web — pushing…
Google's current analytics platform — the forced replacement for Universal Analytics — built around events instead of sessions, and the default free analytics…
When an AI model confidently states something that is not true — a fake citation, a made-up statistic, a non-existent product feature — with no signal to the…
A content management system that separates where content is stored from how it's shown, giving marketers a place to publish without rebuilding the front-end…
An e-commerce setup where the storefront is built separately from the cart, checkout, and product engine, so the brand controls design and speed without ever…
A visual overlay that shows where website visitors click, scroll, and hover on a given page — turning aggregated anonymous behavior into a picture the…
The first section of a webpage — usually above the fold — that introduces who you are, what you offer, the proof that backs it up, and the single action you…
Compressing, resizing, and serving images in modern formats so pages load faster without losing visible quality — usually the single biggest performance win…
Pulling buyers in with useful content, search visibility, and a well-built website — instead of pushing messages at strangers through interruptive ads, cold…
A way of keeping a static site fresh without rebuilding the whole thing every time. New or edited pages get regenerated on the fly, so marketing can publish…
The process search engines use to store and organize web pages so they can show up in results — if your page isn't indexed, it can't rank, and most sites have…
The Core Web Vital that measures how quickly a page responds when a visitor clicks, taps, or types — Google's official replacement for the older First Input…
Linking between pages on your own site to guide visitors deeper, pass authority to important pages, and show search engines how the content on your site…
Optimizing a website to rank in multiple countries and languages — hreflang tags, content localization, and the infrastructure to keep search engines from…
Finding the actual phrases your buyers type into Google — what they search, how often, and how hard it is to rank — so your content targets real demand instead…
A standalone page built for one job — convert visitors from a specific campaign or audience into a single action — with no main menu, no competing links, no…
A type of AI trained on huge volumes of text that can read, write, and answer questions in plain language — the engine behind ChatGPT, Claude, Gemini, and most…
The Core Web Vital that measures how long it takes for the biggest visible element on a page — usually the hero image or main headline — to finish loading in…
A technique that delays loading images and other heavy assets until the visitor scrolls near them, making the rest of the page load faster and feel snappier.
The work of turning anonymous website visitors into named contacts — usually by offering them something worth their email address in return, then following up…
A 0–100 grade from Google's Lighthouse tool measuring a page's performance, accessibility, SEO, and best practices — used as a quick technical health check by…
A plain markdown file you put at the root of your website that tells AI models which pages matter most and how to read them — like robots.txt, but for large…
The version of SEO that helps a business show up when someone searches for services nearby — Google Business Profile, map packs, reviews, and the…
Adapting a website's content, language, and details for visitors in different countries or languages — so a French buyer feels the site was written for them,…
A longer, more specific search phrase with lower volume but much higher intent — the kind of query a real buyer types when they're getting close to making an…
Building software with a mix of visual tools and custom code, faster than from scratch but more flexible than pure no-code — useful in some specific spots,…
Software that runs repetitive marketing work on autopilot — email sequences, lead scoring, segmentation, follow-ups — so the team can spend its time on the…
The path a stranger takes from first hearing about your company to becoming a paying customer — usually drawn as broad awareness at the top narrowing down to a…
The website your brand uses to attract, educate, and convert prospects — distinct from the product app itself, focused on positioning, content, and turning…
A platform where many sellers list their products under one storefront — like Amazon, Etsy, or Zalando — with the marketplace handling discovery, payment,…
An open-source, headless e-commerce platform that gives brands the commerce engine — cart, products, orders, payments — while leaving the storefront design and…
An expanded navigation panel that opens from a top-level menu item — also called a mega nav — showing multiple columns of links, categories, and featured…
The work of deciding which products appear where, in what order, and with what messaging — the editorial layer on top of a catalogue that turns passive…
The short summary that appears under your page title in Google results — it doesn't directly affect rankings, but a sharp meta description earns far more…
The small moments of feedback and motion in an interface — a button that nudges when hovered, a form field that confirms it heard you, a toggle that slides —…
A small, focused website built for one specific purpose — a product launch, a campaign, an annual report, an event — separate from the main brand site and…
The smallest version of a product you can ship to real users to learn whether the idea actually works, instead of guessing in a room for a year and launching…
Designing the phone version of a site first and scaling up to desktop — instead of designing for a big screen and squeezing it down — so the experience fits…
An open standard from Anthropic that lets AI models plug into external tools, databases, and services the same way every time — think of it as USB-C for AI…
A modern web framework for building fast, search-friendly websites and apps in React. It is the default choice for serious scale-up sites where speed, SEO, and…
Building websites or apps using visual tools instead of writing code, usually through drag-and-drop platforms — great for prototypes and landing pages,…
Everything you do outside your own site to build search authority — earning backlinks, mentions, reviews, and trust signals that tell Google other people on…
A retail approach where the brand shows up consistently across every channel — website, store, app, marketplace, social — with shared inventory, shared…
The work of making each page itself rank — headlines, copy, structure, internal links, and metadata that tell search engines exactly what the page is about and…
A content management system whose source code is publicly available and free to use, modify, or host yourself — WordPress, Drupal, and Strapi are the…
E-commerce software whose code is freely available to read, modify, and self-host — no per-transaction platform fees, no vendor lock-in, full control in…
The system that routes every order to the right warehouse, tracks inventory across locations, and keeps the storefront, retail stores, and customer service…
A visual editor that lets non-technical users drag-and-drop blocks onto a page to build layouts without writing code — common in WordPress, Wix, Squarespace,…
How quickly a web page loads and becomes usable for a visitor — measured in seconds and milliseconds, and treated by Google as a confirmed ranking signal…
Google's free tool for measuring how fast a page loads on mobile and desktop, combining real-user field data with lab tests and offering specific, actionable…
The service that takes a shopper's card or wallet details at checkout, encrypts them, runs them through the card networks and banks, and tells the store…
An AI-first search engine that answers questions with cited sources instead of a list of links — popular with researchers, founders, and anyone tired of…
An open-source product and web analytics platform that combines events, session replay, feature flags, A/B testing, and heatmaps in one tool — the all-in-one…
The page where prospects come to decide whether they can afford you and which tier actually fits — usually one of the highest-intent pages on the entire site,…
The page where a shopper sees one specific product — photos, price, variants, description, reviews, shipping — and decides whether to add it to cart. The…
A central system that holds every product's data — names, descriptions, images, specs, prices, translations — and pushes it out to every channel that needs it,…
The page that shows a grid of products in a category or search result, with filters, sorting, and pagination — the bridge between discovery and the product…
A go-to-market strategy where the product itself does most of the selling — free trials, freemium tiers, and self-serve signup flows replace much of what a…
The moment a product satisfies a real market so well that customers pull it from you instead of you pushing it on them — and growth starts to feel almost easy…
How long a website project takes from kickoff to launch, broken into discovery, design, build, and QA phases — usually eight to sixteen weeks for serious…
The practice of writing instructions to an AI model in a way that gets a reliable, useful result — part technical writing, part specification, part figuring…
A clickable mock-up of a website or product that simulates the real interactions — clicks, transitions, flows, micro-states — so the team can test how it…
The most widely used way of building interactive websites and apps in JavaScript. If your product has buttons, dashboards, or live data, there is a strong…
An instruction that sends visitors and search engines from one URL to another — used to fix broken links, consolidate pages, or move content to a new address…
Designing a website so it adapts to every screen size — phone, tablet, laptop, ultrawide monitor — instead of forcing one fixed layout that breaks the moment a…
A technique that lets an AI model look up fresh, specific information from a database or the web before answering, so it does not have to rely only on what it…
A simple ratio that compares what you got out of an investment to what you put in, used to judge whether a spend was worth it and how it stacks up against the…
A small file at the root of your site that tells search engine crawlers which pages they can and can't access — useful for keeping junk pages and crawler traps…
A long, structured web page built to sell a single product or offer end-to-end — headline, problem, solution, proof, objections, price, CTA — all stacked into…
A headless CMS where the editing interface itself is code you can customize end to end — used by teams who want their content model to match their business,…
Code added to your pages that labels content for search engines — turning plain HTML into structured data that powers rich results, AI answer citations, and…
The practice of shaping a website so it shows up when people search for what you sell — through content, structure, speed, and the credibility signals that…
The underlying reason behind a search — whether someone wants to learn, compare, buy, or just navigate — and the single biggest signal of what kind of content…
Running your e-commerce platform on infrastructure you control instead of a vendor's cloud, so the data, the customizations, the uptime, and the costs are all…
A search method that matches on meaning instead of exact words, so a query for 'fix slow website' returns pages about performance optimization even if those…
A structured review of a website's SEO health — covering technical setup, on-page content, backlinks, and rankings — to find what's broken, what's missing, and…
The page Google or another search engine shows after a query — the mix of ads, organic results, AI answers, and rich features that ultimately decides who gets…
When a website builds the page on the server before sending it to the visitor's browser. The visitor sees finished content immediately, and Google sees the…
A hosted e-commerce platform that runs your storefront, payments, and checkout in one subscription — fast to launch, easy to use, and increasingly hard to…
The page where a visitor finally commits to action — start a trial, book a demo, create an account — usually the last page in the marketing funnel and the…
A platform that lets non-technical users create websites through drag-and-drop interfaces and templates instead of writing code — fast to start with, harder to…
A hosted website builder known for design-forward templates, popular with creators, portfolios, and small storefronts — easy to use, hard to push beyond its…
A small file installed on your server that encrypts traffic between the visitor's browser and your site — the reason a padlock shows up next to your URL and…
A private copy of your website where the team can preview changes, test new features, and catch problems before pushing them live to real visitors. Also called…
Building every page of a website in advance, once, and storing the result as plain files ready to ship from a CDN. The output is a site that loads in…
Static sites are pre-built pages served as files — fast and cheap. Dynamic sites generate pages on demand from a database — more flexible but more complex.…
A call-to-action that stays visible as the visitor scrolls — usually a button fixed to the header or footer — so the ask is always one click away, no matter…
A site navigation bar that stays pinned to the top of the screen as the visitor scrolls down a page — also called a fixed header or persistent navigation — so…
The set of endpoints an e-commerce platform exposes so a custom front-end can fetch products, manage carts, and run checkout without ever using the platform's…
The payment infrastructure company that powers checkout for millions of online businesses — cards, wallets, subscriptions, marketplaces, invoicing — all behind…
Content stored as discrete, typed fields — headline, body, image, author, date, tags — instead of one big blob of HTML, so the same content can be reused,…
Marking up your website content with schema, clean HTML, and machine-readable structure so AI models can extract and cite it accurately — the technical…
A folder path on your main domain — like roelu.com/blog or roelu.com/insights — that keeps related content under one URL instead of splitting it onto a…
A prefix attached to your main domain — like blog.roelu.com or app.stripe.com — that points to a separate part of your site or a different application…
Selling products or services on a recurring schedule — weekly, monthly, quarterly — so customers re-order automatically and the business gets predictable…
The plumbing of SEO — making sure search engines can crawl, render, and index your site quickly and cleanly, so your content actually has a chance to rank…
Template design adapts a pre-made layout to your brand. Custom design starts from your business, your audience, and your goals — slower to ship, harder to…
The headline of a page in search results and browser tabs — one of the strongest on-page ranking signals, and the very first thing a searcher reads before…
A content structure where one broad pillar page covers a topic, and many specific cluster pages cover its subtopics — all linked together to dominate an entire…
The craft of choosing and arranging type on a website — fonts, sizes, weights, line height, letter spacing, line lengths — to make content readable, scannable,…
Upsell pushes a higher-value version of what the shopper is buying. Cross-sell adds complementary items. Both lift average order value when they suggest…
The way the paths on your website are organized — like /pricing or /case-studies/acme — designed to be readable, predictable, and useful for both search…
How it feels to use a product from start to finish — the speed, the clarity, the flow, the copy, the moments of friction, the parts that just work — not just…
A diagram of the steps a visitor takes to complete a task on your site — from the landing page through every screen to conversion — so the team can see where…
The visible part of a digital product — the buttons, menus, forms, layout, typography, icons, modals — that a person actually touches, clicks, and reads to get…
Tags appended to the end of a URL that tell your analytics platform exactly where the click came from — source, medium, campaign — so you can stop guessing…
When switching away from a platform becomes so painful, slow, or expensive that you stay even after the platform has stopped serving you well — the silent tax…
The hosting and deployment platform built by the same team that builds Next.js. It runs the build pipeline, the global CDN, the preview URLs, and the analytics…
Building websites or apps by composing them visually instead of typing every line of code — a category that spans Webflow, Framer, Builder.io, and the newer…
The way a page guides the visitor's eye — through size, weight, color, contrast, and spacing — so the most important thing gets seen first and the rest gets…
The visual half of a brand — logo, typography, color, imagery, iconography, motion — the parts of the brand you can actually see, designed as a coherent system…
The international rulebook for web accessibility — Web Content Accessibility Guidelines — the standard most accessibility laws, audits, enterprise procurement…
Software you use through a browser — like Gmail, Figma, or Linear — instead of installing it on your computer. Interactive, account-based, and built around…
The server space where your website's files live so visitors can reach them — every site needs a host, and the one you pick decides how fast your pages load…
A visual website builder aimed at designers, where you assemble pages in a drag-and-drop canvas that outputs real HTML and CSS — closer to code than Wix or…
The ongoing work of keeping a website fast, secure, and current after launch — content updates, dependency upgrades, performance checks, and the boring stuff…
Moving a website to a new platform, domain, or hosting setup — and the careful work of doing it without losing rankings, traffic, or content along the way.…
A full visual and structural overhaul of an existing site — new design system, new content model, often a new platform — done because the old one no longer…
A low-fidelity sketch of a webpage that shows structure, layout, and content priorities — without color, type, or polish — so the team can argue about the plan…
A general-purpose website builder aimed at small businesses and individuals — heavy on templates and ease of use, light on the kind of design and performance…
A rich text editor that shows formatting — bold, headings, lists, images — visually as you write, instead of making you write raw HTML or markdown by hand to…
A machine-readable file that lists every important page on your site, helping search engines find and crawl your content faster and more reliably than they…
A Google search where the user gets their answer directly on the results page — in a featured snippet, AI Overview, or knowledge panel — and never clicks…

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