Blog
Development, infrastructure, SEO, AI and IT for business — short and to the point.
1495 articles
- IT for business4 min
What Is an MVP and Why Startups Build One First
An MVP is the simplest version of a product that solves one core user problem, letting you test real demand with real people before investing in full development.
Basics - Web development3 min
What Is Node.js and What It Is Used For
Node.js is a runtime that runs JavaScript on the server. It shines for APIs, real-time apps and developer tooling, but is a poor fit for heavy CPU-bound computation on a single thread.
Basics - SEO3 min
What Is Structured Data and Schema.org Markup
Structured data is a machine-readable description of page content using the Schema.org vocabulary: product, article, organization, review. It helps search engines understand a page and may earn a rich result, but it guarantees neither the rich result nor higher rankings.
Basics - AI & automation3 min
What Is LLM Fine-Tuning and When Is It Worth Doing
Fine-tuning is extra training of a ready-made language model on your examples so it reliably answers in the right format and style; for new knowledge RAG is usually better, and you should start with prompts.
Basics - IT by industry3 min
What Is an LMS and How to Choose One
An LMS is a system for hosting courses, running tests, tracking learner progress and issuing certificates; choose it by how you actually teach, not by the length of its feature list.
Basics - IT for business4 min
What Is a Pilot Project and How to Run a Software Pilot
A pilot is launching a new system in a limited part of the business with success criteria set in advance. It shows whether the solution works in real conditions before you commit resources to a company-wide rollout.
Basics - Web development3 min
What Is a PWA (Progressive Web App) and What It Can Do
A PWA is a website you can install on a phone or computer like an app, open without the address bar and partly use offline; it costs less than two native apps but does not get full access to device capabilities.
Basics - SEO3 min
White Hat vs Black Hat SEO: Safe and Risky Tactics
White hat SEO improves a site for people and follows search engine rules, black hat SEO tries to trick algorithms and risks penalties that can wipe out traffic; gray hat sits in between, where risk depends on scale.
Basics - AI & automation3 min
What Is Model Context Protocol (MCP) and Why It Matters
MCP is an open protocol that defines one standard way to connect AI assistants to external data and tools. An MCP server written once works with any compatible assistant.
Basics - IT by industry4 min
What Is a Medical Information System for a Clinic
A medical information system is the single platform where a clinic keeps doctor schedules, electronic patient records, payments, lab results and reports; most private clinics start with booking, records, billing and reports, and the ready-made vs custom choice depends on how far your processes differ from the typical ones.
Basics - IT for business3 min
What Is Product-Market Fit and How to Recognize It
Product-market fit is the state where a clear group of customers uses your product regularly, comes back and pays without constant pushing. Until then, growth spending burns money because you amplify what does not work yet.
Basics - Web development4 min
What Is React and Why It Is So Popular
React is a JavaScript library for building interfaces from components: you describe how the screen should look for a given state, and React updates the right parts of the page itself.
Basics - SEO3 min
How to Create an XML Sitemap and Submit It to Search Engines
An XML sitemap lists canonical, indexable URLs. Generate it with your CMS or framework, reference it in robots.txt and submit it in Google Search Console and Yandex Webmaster.
Practice - AI & automation3 min
What Is Multimodal AI: Models That See, Hear and Read
A multimodal model accepts not only text but also images or audio and reasons about them in one context. This lets a single request read a screenshot, a chart or a photo of a document.
Basics - IT by industry4 min
What Is MES: Manufacturing Execution System Explained
An MES runs production execution in real time: it issues work orders to shop floor areas, collects actual output from people and machines, controls quality and keeps the full history of every batch.
Basics - IT for business4 min
Who Is a Product Owner and Why the Client Side Needs One
A Product Owner is the one person accountable for product value who decides what the team builds next. Without one on the client side, decisions stall, priorities blur and budget goes to the wrong things.
Basics - Web development3 min
What Is a REST API: Simple Explanation with Examples
A REST API is an agreement for programs to exchange data over HTTP: every object is a resource with its own address, and the action on it is set by GET, POST, PUT, PATCH or DELETE.
Basics - SEO3 min
Yandex Behavioral and Commercial Factors: How to Improve Them
Yandex checks whether a site solves the user's task and looks like a reliable seller: clear prices, contacts, assortment, delivery and usability. Improve them with real value, not fake traffic.
Practice - AI & automation4 min
What Is NLP: Natural Language Processing Explained
NLP is the branch of AI that teaches computers to understand and produce human text and speech. It used to need a separate model per task; today a single LLM handles most tasks from an instruction.
Basics - IT by industry4 min
What Is Open Banking and How Banking APIs Work
Open banking lets customers allow third parties to read their bank data or start payments through secure bank APIs; access is based on explicit consent, can be revoked and never requires sharing the banking password.
Basics - IT for business3 min
What Is a Product Roadmap and How to Read One
A product roadmap shows where a product is heading and why: which problems are tackled now, next and later. It is not a dated task schedule but a tool for agreeing on priorities, and it is reviewed regularly.
Basics - Web development4 min
What Is Svelte and SvelteKit: How It Differs from React
Svelte is a compiler-based framework that turns components into lean JavaScript without a virtual DOM, and SvelteKit adds routing, SSR and server logic on top; React wins on ecosystem and the hiring market.
Basics - SEO4 min
How to Add a Business to Yandex Business and Yandex Maps
Add your organization through Yandex Business, verify ownership, fill in the card completely and add photos, prices and services. Position in Maps depends on relevance, distance, rating, reviews and data completeness.
Practice - AI & automation3 min
What Is OCR and How Text Recognition Works Today
OCR turns an image of text into editable text. Classic OCR just reads characters, while modern AI models understand the document structure and extract the fields you need directly: number, date, amount.
Basics
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