Blog SERVER.UA

On December 11, 2025

In Security

SSL icon with a green lock next to the FREE certificate, a question mark, and the like and dislike gestures, symbolizing doubts about free SSL certificates. — Free SSL has advantages and limitations — it’s important to consider both sides

In today’s internet, users are accustomed to seeing the green padlock next to a website address and the letters https. For many, this symbol signals a safe resource where data is transmitted securely. However, an important question remains: can free SSL certificates — used by thousands of websites — be fully trusted? To answer this, it’s essential to understand how SSL works, how free certificates differ from paid ones, and what risks actually matter for businesses and users.

Why IPv6 Still Has Not Become the Standard and How It Slows Down the Market

On December 10, 2025

A road barrier structure with an IPv6 sign and a prohibition sign, symbolizing obstacles to the implementation of the new protocol. — IPv6 adoption is still blocked by infrastructure and market constraints

Despite the fact that the exhaustion of IPv4 addresses has been discussed for more than ten years, the transition to IPv6 still remains more of a prospect than a reality. In many countries, the use of the new protocol barely exceeds 30–40%, and some providers do not plan to implement it anytime soon. This is surprising, since IPv6 offers an almost unlimited pool of addresses, better bandwidth, a more modern approach to routing, and built-in security mechanisms. Why, then, is the internet infrastructure not rushing to adopt the new standard, and what consequences does this create for the market?

Is “Fail-Proof” Hosting Possible and Why 100% Uptime Is a Myth

On December 9, 2025

In Servers

A worried user thinks about 100% uptime and possible server failure. — 100% uptime is unattainable even for the most stable servers

In today’s digital environment, every business wants to be sure that its website or application is always available. Users do not tolerate delays, and companies understand that even a few minutes of downtime can lead to financial losses, reduced trust, or indexing issues in search engines. That is why VPS and dedicated server services often highlight uptime — the percentage of time the infrastructure operates without interruption. However, in real engineering, an absolute 100% uptime is unattainable. Even if the servers are expensive, the data center is certified, and the network is fully redundant, physical and organizational limitations still exist. To understand why “fail-proof” hosting is more of a marketing term, it is important to examine how VPS and dedicated servers actually work.

The Global Memory Market on the Brink of Crisis

On December 9, 2025

Illustration with a RAM module, a growth graph, and a coin - a symbol of the rising price of memory. — RAM prices are rising rapidly due to a global shortage of chips

In the coming years, the global computer hardware industry may face the most serious shortage of the past decade. The market for dynamic RAM (DRAM) and solid-state drives (SSD) is experiencing a sharp rise in prices and a shortage of components, affecting both electronics manufacturers and ordinary users. The reason behind this is the rapid shift of leading companies toward producing chips for artificial intelligence, which today consumes most of the world’s manufacturing capacity. To understand what this may lead to, it is worth examining the factors driving the new memory crisis.

Why Bug Fixes Are Just as Important as System Updates

On December 4, 2025

In Security

A computer on a scale is contrasted with a box with an error, symbolizing the importance of bug fixes and updates. — Bug fixes maintain stability no less than system updates

In the modern digital environment, most users are accustomed to perceiving updates as something big and noticeable: new design, features, interfaces or capabilities that immediately catch the eye. Updates are associated with something significant that adds new potential to a system. At the same time, bug fixes — meaning corrections of errors in software — often seem less noticeable and even “boring.” However, in reality, they are fundamentally important and, in some cases, even more critical than large-scale updates. To understand why, it’s worth examining the nature of bugs, their impact on stability and security, and how to correctly evaluate the quality of software.

Top Mistakes Businesses Make When Moving Online

Upset businessman at laptop, around icons of online project problems. — The most common mistakes that prevent businesses from successfully going online

The transition of a business to the online space stopped being a fashionable trend long ago — today it is a necessity for survival and growth. However, even companies with offline sales experience often repeat the same mistakes that complicate the launch or slow down development. The online environment has its own rules, where technical stability, user convenience, and understanding of digital tools become crucial. To avoid unnecessary expenses and losing customers, it is worth understanding which mistakes businesses most often make during digitalisation and why they become critical.

Touchscreen MacBook Is on the Horizon

The first hints of a touch-screen MacBook have already become a reality

The laptop market is gearing up for another significant update, as Apple is officially working on a premium MacBook with a touchscreen. The idea of combining a classic laptop form factor with a full touchscreen has long been discussed in the tech community, but the company traditionally avoided moving to this format. Now the situation is changing, and by early 2026, users may see the first MacBook that responds to touch. This is not just the addition of a new feature, but a rethinking of how to interact with macOS and Apple’s portable devices in general.

How Server Speed Affects Website Performance in the Mobile Internet World

In Servers

Servers, global network and smartphone with an up arrow symbolizing the speed of websites. — How server speed determines the performance of sites on the mobile Internet

In today’s digital environment, users increasingly interact with websites through smartphones rather than computers. This means that loading speed becomes critically important not only for comfort but also for a business’s ability to retain customers. Mobile internet, even in 4G or 5G formats, is more prone to fluctuations in speed and stability, so the servers powering a website must be highly efficient. How quickly they respond to a request directly influences whether a user stays on the page and completes their action — making a purchase, browsing a catalog, filling out a form, or reading content.

How Data Center Modernization Helps Cities Reduce Energy Costs