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Websites on mobile: why speed matters and how to check it

People look for a tradesperson on a phone, often from the car or a building site, on a weak signal. A site that opens slowly is a site that does not open. Speed is a feature, not decoration.

What slows a site down

  • Large photos. The most common reason. Photos should be the right size and a modern format.
  • Unnecessary code. Templates with dozens of features you do not use.
  • Videos and animations at the start. They delay the first content.
  • Many third-party scripts. Chats, tracking, embedded maps.

How to check

Open your site on a phone without wifi. Then try Google's free PageSpeed Insights: enter the address and get measurements and concrete tips. Values vary with device and connection, so treat them as a direction.

Mobile comes first

A site should be designed for the phone first: large buttons, readable type, a phone number you can tap. The computer is the second step.

Why it matters for search

Google treats speed and mobile usability as one of many signals. More importantly, a customer who waits goes to a competitor. Further steps for local search are in local SEO for small businesses.

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Matyáš Musela · 733 230 308 · Filip Berčík · 774 915 200 · aetheron@aetheron.cz · Prague

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