Why Your Website Is Slow (and What It's Costing You in Sales)

page speed

Table of contents/

The short answer

Every extra second of load time costs you customers. Google's research shows more than half of mobile visitors abandon a page that takes over three seconds to load, and conversion drops with each additional second of delay. A slow site isn't a technical nitpick — it's a hole in your sales and your ad budget. Below — why sites drag, and how to fix it.

How slow is "too slow"

Google measures speed with Core Web Vitals. Here's the benchmark to aim for:

Metric

What it measures

Good

LCP

main content load

under 2.5s

INP

responsiveness to input

under 200ms

CLS

layout stability (jumps)

under 0.1

If your LCP is above 4 seconds, you're losing a share of visitors every day before they've even seen your offer.

Why sites drag: the real causes

  • Dozens of plugins. Each adds its own code, scripts and database queries. A classic of WordPress sites that accreted over the years.
  • A heavy builder theme. All-purpose themes haul a pile of code you never use "just in case."
  • Unoptimized images. 3–5 MB photos served at full size to a phone.
  • Cheap shared hosting. Hundreds of sites on one server, splitting resources.
  • No caching or CDN. Every visitor rebuilds the page from scratch.
  • Heavy third-party scripts. Chats, widgets, pixels that block rendering.

What slowness actually costs

  • Direct sales. The visitor leaves before the page loads — you paid for the ad click and got nothing.
  • Google rankings. Speed is a ranking factor. A slow site loses to competitors in search.
  • Ad efficiency. A slow landing page burns ad budget: traffic in, no conversions.
  • Brand trust. A laggy site reads as "not a serious company" before the first contact.

What to do about it

Quick wins (within days): compress and convert images to modern formats, enable caching and a CDN (Cloudflare, for example), remove needless plugins and heavy scripts, and move to proper hosting or a VPS. This alone often clears the worst of the lag.

The structural fix: if the site spent years accreting plugins and a do-everything theme, cosmetics treat the symptom, not the cause. The fastest results come from rebuilding on a modern framework (Next.js, Astro) that ships a lean page with no ballast. It costs more, but over time it pays back in speed, rankings and lower ad spend.

Where to start today

Run your site through Google's free PageSpeed Insights — it shows your Core Web Vitals and the specific problems. It's an honest starting point: you'll see right away whether quick wins are enough or a deeper fix is needed.

FAQ

What counts as a good load speed? Aim for LCP under 2.5 seconds. Anything over 4 seconds noticeably hurts conversion and rankings.

Does speed affect SEO? Yes, directly. Core Web Vitals are an official Google ranking factor.

How much does it cost to speed up a site? Basic optimization starts from a few hundred dollars. If the problem is architectural, it's more honest to price a rebuild than endless patches.

Want to know what's slowing your site down?

Send the URL — we'll run a speed audit, show the specific causes, and tell you what quick wins will fix versus where a structural solution is needed.

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