Performa Web

How to improve website speed

Slow websites lose visitors and sales. See why speed matters so much and what to do to make your website faster.

8 min read Updated July 2026

Website speed directly impacts almost everything that matters: user experience, conversion, SEO, and even brand perception. People have little patience online, and a slow website makes many give up before even seeing the content. The good news is that speed can be improved with concrete actions.

In this guide, you will understand why website speed is so important and learn the main ways to make it faster.

Why speed matters so much

Speed affects business on several fronts. It impacts conversion: slow websites lose sales because people abandon them before completing an action. It affects experience: sluggishness frustrates and drives people away. It affects SEO: Google considers speed and page experience in its ranking. And it affects brand perception: a slow website gives the impression of neglect. In short, speed is not a technical detail; it's a performance factor.

Start by measuring

Before optimizing, you need to measure. There are free tools that evaluate website speed, show loading time, point out problems, and suggest improvements. Measuring reveals where the bottlenecks are, which prevents wasted effort in the wrong places. It's worth measuring both overall performance and that of specific important pages, such as the homepage and main conversion pages. Diagnosis first, optimization after.

Optimize images

Images are often one of the biggest causes of slowness, as heavy files take a long time to load. Optimizing them is one of the most impactful actions: this includes compressing images to reduce size without losing noticeable quality, using appropriate formats, and correctly sizing them for the space they appear in. A page full of heavy, unoptimized images is inherently slow. Taking care of images often brings a noticeable speed gain.

Reduce and organize code

The code that makes up the website (scripts, styles, resources) also affects speed. Heavy, excessive, or poorly organized code delays loading. Good practices include reducing and cleaning up code, loading essential elements first, deferring non-immediate ones, and eliminating unnecessary resources. A lean, well-built website loads faster. Here, technical support is often needed, but the gain is worth it.

Take care of hosting and caching

Where and how the site is hosted significantly influences speed. Quality hosting, appropriate for the site's size and traffic, makes a difference in response time. Furthermore, using cache (which stores ready versions of parts of the site so they don't have to be generated every time) and technologies that distribute content closer to visitors greatly speeds up loading. Investing in a good hosting and caching foundation is investing in speed.

Don't forget mobile

Mobile speed deserves special attention, as a large portion of access comes from there, often on slower connections. A website that is fast on a computer but slow on a mobile device loses a huge portion of its audience. Ensuring a light and fast mobile experience is essential. Since Google also prioritizes the mobile version for evaluation, optimizing mobile speed benefits both user experience and SEO.

Speed is continuous work

It's worth remembering that speed isn't a one-time adjustment: as the website grows and receives new features and content, it can degrade. Therefore, continuously monitoring and optimizing speed is part of healthy website maintenance. A website that was fast can become slow over time if no one takes care of it. Maintaining performance is an ongoing concern, not a task that is done once and forgotten.

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