Blog
Development, infrastructure, SEO, AI and IT for business — short and to the point.
1495 articles
- Web development3 min
What Is HTML and How a Web Page Is Structured
HTML is a markup language that describes a page's structure with tags: headings, paragraphs, links, images, forms. The browser reads HTML and turns it into what you see on screen.
Basics - SEO4 min
What Are Core Web Vitals: LCP, INP and CLS Explained
Core Web Vitals are three Google metrics for loading speed (LCP), responsiveness (INP) and visual stability (CLS). Good values are LCP under 2.5 s, INP under 200 ms and CLS under 0.1.
Basics - DevOps4 min
What Is Load Balancing and How a Load Balancer Works
A load balancer receives incoming requests and spreads them across several servers while skipping unhealthy ones, so a service handles more traffic and keeps working when one server fails.
Basics - AI & automation3 min
What Are Tokens in LLMs and Why They Affect Price and Quality
A token is a chunk of text the model works with; APIs bill per token and limits are measured in tokens, so the same text in Russian or Uzbek usually costs more than in English.
Basics - Programming3 min
What Is Go (Golang) and Where It Shines
Go is a compiled language with minimal syntax, fast builds and built-in goroutines; it excels at APIs, CLI tools and cloud infrastructure but is weaker for GUIs, data science and complex domain modeling.
Basics - IT by industry4 min
How to Build a Taxi App: Core Components and Architecture
A taxi service is three clients (passenger, driver, dispatcher) plus a backend with geospatial driver search, matching, pricing, payments and a real-time stream of locations.
Advanced - IT for business4 min
What Is Custom Software Development and When Is It Worth It
Custom development means building software around one company's processes. It pays off when off-the-shelf tools get in the way or give competitors the same thing, and the business is ready to own and evolve its own system.
Basics - Web development4 min
What Is htmx and When You Do Not Need a JS Framework
htmx is a small library that updates parts of a page with HTML fragments from the server via attributes; for forms, search, tables and admin panels it often replaces React or Vue, but it does not suit rich client-side interfaces.
Basics - SEO4 min
What Are SERP Features: From Local Pack to People Also Ask
SERP features are the special blocks on a results page beyond the ten blue links; a regular business site can realistically win the local pack, sitelinks, snippets, rich results and image placements, while AI answers and news carousels are much harder to control.
Basics - DevOps3 min
What Is Nginx and How It Works as a Web Server
Nginx is a fast, event-driven web server that serves static files and acts as a reverse proxy, load balancer and cache in front of your application.
Basics - AI & automation4 min
What Is a Large Language Model (LLM) and How Does It Work
An LLM is a neural network trained on huge amounts of text to predict the next piece of text; answering, summarizing and writing grow out of that skill, but the model can be confidently wrong and does not know your fresh data.
Basics - Programming4 min
What Is OOP? The Four Principles with Code Examples
OOP builds a program from objects that bundle data and behavior; its four principles (encapsulation, inheritance, polymorphism, abstraction) help you hide details and swap one implementation for another.
Basics - IT by industry4 min
Software for Tour Operators: Booking, Packages and Agents
Tour operator software builds packages from supplier services, manages bookings and allotments, gives agents a portal with prices and commissions, generates documents automatically and shows who owes whom.
Basics - IT for business4 min
What Is Digital Maturity and How to Assess Your Company
Digital maturity is how much a company's processes, data and channels rely on connected digital tools; assess it area by area and start improving the weakest one first.
Basics - Web development3 min
What Is Hydration and How to Fix Hydration Errors
Hydration is when React in the browser brings ready server HTML to life by attaching event handlers to it. A hydration error happens when the first browser render differs from the server one, and the fix is to move anything unstable (dates, random values, window) into an effect or a client-only component.
Advanced - SEO3 min
What Is Crawl Budget and When It Becomes a Problem
Crawl budget is how many pages a search bot can and wants to crawl on your site; large and fast-changing sites should manage it, while smaller sites mostly need to avoid generating junk URLs.
Basics - DevOps4 min
What Is Terraform: Providers, Resources and the Plan-Apply Cycle
Terraform is an Infrastructure as Code tool: you describe the infrastructure you want in HCL files, and it compares that with reality and creates, changes or deletes resources through the cloud API.
Basics - AI & automation4 min
What Is a Small Language Model (SLM) and When It Beats an LLM
A small language model is a compact model with a few billion parameters that runs on modest hardware; it beats a large LLM on narrow, repetitive tasks where cost, speed, privacy or on-premise deployment matter more than broad reasoning.
Basics - Programming3 min
What Is Python and What Is It Used For
Python is a general-purpose language with simple, readable syntax used for backends, automation scripts, data analysis, AI and bots, but it is slower than compiled languages and rarely used for mobile apps.
Basics - IT by industry4 min
Transaction Fraud Detection: Rules vs Machine Learning
Rules versus ML is a false choice: rules catch known patterns and cover compliance, ML scoring finds new ones, and robust payment fraud detection combines both in one decision pipeline.
Advanced - IT for business3 min
What Is Digital Transformation for a Business
Digital transformation is changing how a company works and makes decisions with the help of technology; buying software without changing processes and people's habits is not transformation.
Basics - Web development4 min
What Is Jamstack and When It Fits Your Website
Jamstack means building pages in advance and serving them from a CDN while JavaScript and APIs handle everything dynamic; it fits content sites very well and suits projects with constantly changing data less.
Basics - SEO3 min
What Is Generative Engine Optimization (GEO)
GEO is the work of making AI search engines find, understand and cite your site in their answers; it rests on the same foundation as SEO but rewards clear, quotable passages and consistent brand mentions.
Basics - DevOps4 min
Zero-Downtime Deployment: Techniques and Step-by-Step Setup
New instances must start and pass a readiness check before old ones stop, old ones must finish in-flight requests before exiting, and the database schema must work with both versions at once.
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