We all love a beautiful website.
Big, bold photos. Gorgeous product shots. Branded visuals that make your site feel you.
But if your images aren’t optimized properly, they could be slowing your website down, and costing you traffic, leads, and even sales.
The good news? You can keep your visuals AND your performance.
Here’s how to optimize your website images (without losing the quality you love).
Why Unoptimized Images Are a Big Deal
Images are one of the most common culprits behind slow websites. Why? Because they take up a lot of space.
- Large files = longer load times
- Slow load times = frustrated visitors (and Google)
- Frustrated visitors = people clicking away before they ever read your offer
In other words… not ideal.
1. Choose the Right Image Format
- JPG/JPEG: Best for photographs and anything with lots of colour and detail
- PNG: Best for images that need transparency (like logos), but larger in size
- WEBP: A newer, lighter format that delivers high quality at smaller file sizes (yes please!)
Pro tip: Convert images to WEBP when possible, it’s now supported by most browsers and loads lightning fast.
2. Resize Before Uploading
This one’s huge. Pun intended!
If your photo is 5000px wide and your website displays it at 800px… you’re making your browser work way too hard.
Ideal website image sizes:
- Hero/banner: ~1600px wide
- Full-width section images: ~1200px wide
- Blog or page graphics: ~800–1000px wide
- Thumbnails or icons: ~300px wide
Pro tip: Resize your images before uploading, don’t rely on your site to “shrink” them.
3. Compress Without Losing Clarity
Compression reduces the file size while keeping the image looking sharp
Tools you can use (before uploading):
- TOP PICK! ShortPixel
- TinyPNG (great for JPG + PNG)
- Squoosh
- Canva's built-in compression (export as “small file size”) - Although, this is not my fav method as it's hit and miss on quality
- ShortPixel
- Smush
- EWWW Image Optimizer
- WebP Express
These run in the background and compress images automatically as you upload them.
Important Note: I just mentioned above in point 2, that it’s IDEAL to compress your images before you uploads them. But, if you must, then these are some great options. I only suggest this when doing a complete site refresh and need to optimize a TON of images!
4. Use Lazy Loading
Lazy loading means images aren’t loaded until someone scrolls down to them.
This keeps your top content fast while still showing visuals further down the page.
Most caching or performance plugins include this feature (or I’ll set it up for you if you’re on one of my hosting plans).
5. Replace, Update, or Clean Up Old Media
If you’ve had your site for a while, your Media Library may be packed with oversized or outdated files.
Go back and:
- Replace heavy images with optimized versions
- Delete duplicates or unused graphics
- Refresh blog headers with compressed alternatives
Your site will thank you.
Beauty + Speed = Perfection
You don’t have to sacrifice design to have a high-performing website.
But if you’re not optimizing your images, your site might be working harder (and slower) than it should.
Want a faster, cleaner, better-performing website, without doing all the behind-the-scenes tech?
Check out my SEO + Performance Audits & Analysis as well as my Hosting + Maintenance Packages.
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