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Database optimisation - indexes, query planner and cache

As the application grows, the database often becomes its weakest link. Initially, fast queries start to take seconds to complete and the server CPU reaches 100% of load with each report. Understanding how to optimise a mysql postgresql database is not just a matter of adding a few indexes - it's a process of deep analysis of how the database engine interprets your

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Online shop - how to build it and position it from scratch?

In 2026, e-commerce is not just a trend, it is the foundation of modern commerce. But the market is saturated and customers are more demanding than ever. If you're wondering how to build an e-commerce shop that doesn't just „look” like it, but realistically makes money, you need to combine solid technology with a thoughtful SEO strategy. This guide will take you through the key stages - from

Online shop - how to build it and position it from scratch? Find out more

How to price a website - a guide for freelancers and agencies

Determining the right rate for the work performed is one of the most difficult skills in the IT industry. A price that is too high can scare off a potential contractor, while a price that is too low can lead to frustration and a lack of project profitability. If you're wondering how to price a website project, you need to understand that you're not just paying to „write code”. You are paying to solve a problem

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WCAG 2.1 and 2.2 in e-commerce - how to adapt an online shop to the new regulations and increase sales?

WCAG 2.1 and 2.2 in e-commerce - how to adapt an online shop to the new regulations and increase sales? Key changes in WCAG 2025 regulations for online shop owners Digital accessibility is one of the most important aspects of modern e-commerce. From 28 June 2025, online shops in Poland and across the European Union will be required to comply with WCAG standards

WCAG 2.1 and 2.2 in e-commerce - how to adapt an online shop to the new regulations and increase sales? Find out more

A comprehensive guide to the Omnibus Directive for online shops

Comprehensive guide to the Omnibus Directive for online shops From 1 January 2023, Polish online shops must comply with the new rules resulting from the Omnibus Directive, which is an EU regulation that imposes a number of obligations on shop owners and e-commerce platforms. The aim of this regulation is to guarantee consumers fair and transparent price information and to protect their

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New WooCommerce update, addresses security vulnerability.

New WooCommerce update, addresses security vulnerability. A new WooCommerce update has been released. It is significant in that it fixes a security vulnerability that allowed malicious content to be introduced into the browser. The issue mainly affects WooCommerce shops with the order attribute enabled, this feature is enabled by default. The affected versions are: 8.8.0 8.8.1 8.8.2 8.8.2 8.8.4 8.9.0 8.9.1 8.9.2

New WooCommerce update, addresses security vulnerability. Find out more

How do I add an administrator to a company's Facebook page?

Running a company's Facebook page often requires the involvement of multiple people or an external company. To make the work easier and to distribute responsibilities, it is worth adding additional administrators who can, among other things, publish posts, respond to comments and messages, and manage page settings and advertising campaigns. Often adding a new administrator to a Facebook page, is problematic for many people.

How do I add an administrator to a company's Facebook page? Find out more

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