Open your website on your phone, with Wi-Fi switched off. If it takes more than three seconds to show something useful, you are probably losing people. Most of them will not tell you. They just leave.
Huge images are the usual culprit
A photo straight from a phone camera can be 5 MB. On a 4G connection that is several seconds for one image. Resize images to the size they are actually shown, and use modern formats like WebP or AVIF.
Also check that images lower down the page load only when someone scrolls to them. Loading everything at once is a common reason the first screen feels stuck.
Too many scripts
Chat widgets, pop-ups, tracking tags and sliders each add weight. Keep the ones that earn their place, and load the rest after the page appears. A chat bubble that nobody uses can cost you a full second on a slow phone.
Heavy themes and page builders
Many WordPress themes ship hundreds of kilobytes of code you never use. A lighter build, or a static site served from a CDN, can load several times faster. If you have to install five plugins to add a contact form, that is a sign.
Fonts and layout jumps
Custom fonts that load late make text jump around. Loading two font files, not six, and showing a readable fallback until they arrive fixes most of it. Reserve space for images so the page does not shift as it loads. Google measures that shift and counts it against you.
What it costs you
Speed affects three things at once: how many visitors stay, how Google ranks you, and how much you pay for ads, since Google rewards fast landing pages with lower costs. Fixing speed often improves all three.
For a business that runs ads, a slow page is like paying for a billboard and then hiding it behind a wall.
How to check your own site
You do not need special tools to get started:
- Open the site on a phone using mobile data, not Wi-Fi.
- Run it through Google PageSpeed Insights and look at the mobile score and the list of suggestions.
- Check the size of your largest images and compress anything over a few hundred kilobytes.
- Remove widgets and plugins you do not use.