Why is my website slow on phones and how do I fix it?

Your website is usually slow on phones because the pages are too heavy for a phone connection: oversized photos, too many add-on scripts, and cheap hosting are the most common causes. The fastest fixes are to shrink your photos, remove add-ons you don't use, and test your site with Google's free PageSpeed Insights tool.

It matters because people searching on a phone are often in a hurry, standing outside a shop or deciding where to eat. If your page takes too long to show anything, many of them will simply tap the next result. Google also looks at how fast pages feel to real visitors, so a slow site can cost you both visitors and search ranking.

Why is my website slow on phones? Step 1: measure it

1. On a computer or phone, go to pagespeed.web.dev (Google's free PageSpeed Insights).
2. Type in your website address and press Analyze.
3. When the results appear, choose the Mobile tab. That is the one that matters here.
4. Write down the main score and the list of suggestions under headings such as Opportunities or Diagnostics. Those are your to-do list.

Don't chase a perfect score. The goal is a site that feels quick on a normal phone. Also, try your own site on your phone using mobile data instead of Wi-Fi. That is closer to what many customers see.

Step 2: Shrink your photos (the biggest win for most sites)

A photo straight from your phone camera can be several megabytes. Your page only needs a small fraction of that. Large images are one of the most common reasons a small business site is slow.

1. Find the photos on your homepage and main pages. Start with the biggest one at the top.
2. Make each photo no wider than it appears on screen. A photo that shows about 1,200 pixels wide on a computer does not need to be 4,000 pixels wide.
3. Compress them with a free tool such as Squoosh (squoosh.app) or the export option in any photo editor. Choose a lower quality setting. Most people can't see the difference.
4. Where you can, save photos as WebP, a format that usually makes files smaller than JPEG or PNG at similar quality.
5. Upload the smaller versions to replace the old ones.

If you use a website builder, look for a setting in the image or media section that resizes and compresses images automatically, and turn it on.

Step 3: Remove what you don't need

Every add-on a page loads makes it a little slower. Over the years, sites collect extras that nobody remembers adding.

• Plugins and apps: in WordPress, Wix, Squarespace or Shopify, look at what is installed. Delete anything you don't use.
• Chat pop-ups, sliders and fancy animations: keep only the ones that bring in customers.
• Auto-playing video: a video at the top of a page is heavy. A single still photo with a button is much lighter.
• Too many fonts: one or two fonts is plenty.
• Old tracking tools: if you added tracking codes for services you no longer use, ask whoever built the site to take them out.

Make one change at a time, then run PageSpeed Insights again. That way you can tell what helped, and if something breaks you know which change did it.

Step 4: Check your hosting and your plan

If your photos are small and your add-ons are few, but the site is still slow, the problem may be where it lives. The cheapest hosting plans share one computer among many websites, and yours can slow down when the neighbors get busy.

1. Find out who hosts your site. Your website builder or the company you pay each month will know.
2. Look at your plan. Ask the company whether a faster or better plan is available and what changes.
3. Ask if they include caching or a content delivery network (CDN). Both help pages load quickly for visitors in different places. Many hosts offer these as a switch you turn on.

Step 5: Make the top of the page light

What visitors see first should appear quickly: your name, what you do, a phone number and a button to call. Put these above the big photos. A visitor who can already call you doesn't mind if a photo further down loads a moment later.

• Keep the first screen simple: a headline, one photo at most, and a clear button.
• Make the phone number a tap-to-call link.
• Push long galleries and videos lower down the page.

A simple weekly routine

• Once a month, run your homepage through PageSpeed Insights on the Mobile tab and note the result.
• Every time you add a photo, shrink it first.
• Every time you add a plugin or app, ask whether you really need it.
• Load your site on your own phone using mobile data now and then.
• Pair this with a tidy listing. Our guide How to update your Google Business Profile (hours, menu, photos) shows how to keep the other half of your online presence fresh.

Quick answers

Why is my website slow on phones but fine on my computer?

Phones usually have slower connections and less processing power than a computer on Wi-Fi, so heavy pages that feel fine on a desktop can drag on a phone.

What is the easiest fix for a slow website?

Shrink your photos. Oversized images are one of the most common causes, and you can fix them for free with a tool like Squoosh.

How do I test my website speed for free?

Go to pagespeed.web.dev, enter your address, press Analyze and read the Mobile results.

Does a slow website hurt my Google ranking?

It can. Google looks at how pages perform for real visitors, and a slow page also makes people leave before they contact you.

Do I need to pay a developer to fix it?

Not always. Photos and unused add-ons are things you can often handle yourself. If the problem is your hosting or how the site was built, a professional can help.