I’ll be honest, this is the one thing I keep seeing over and over, people upload massive images and then wonder why their rankings just sit there. I’m talking 2MB, 3MB, even 5MB images on simple landing pages. It looks fine on screen, sure, but the page is dragging. And then Google gets blamed. It’s not the image itself, it’s the slow experience that follows.
I used to ignore this too. Early on I was obsessed with meta tags, keywords, all the usual stuff. Meanwhile the page was heavy. It only clicked after running a bunch of audits where nothing changed except speed, and rankings moved anyway. That’s when it hit me.
The one thing I’d fix every single time is image weight. Before upload, not after. Convert everything to WebP or AVIF, then compress it hard. I usually aim for under 100KB per image, sometimes even lower depending on the use. Tools like TinyPNG or Squoosh get the job done, or you build it into your pipeline if you’re doing this at scale. On a few projects we cut total page weight by 60 to 80 percent just by fixing images. No redesign, no content rewrite, just lighter assets.
Here’s why it works. Smaller images load faster, obviously, but the impact goes beyond that. Pages get crawled more often because they respond faster. Users don’t bounce as quickly because they’re not waiting. Core Web Vitals improve without touching anything fancy. And Google can move through more of your pages instead of getting stuck on slow ones. I’ve seen pages climb without adding a single backlink, just from cleaning this up.
What confuses me is people still obsess over alt text and file names like that’s the main thing. Yes, alt text matters. Yes, naming helps a bit. But I’ve seen perfectly labeled images sitting on slow pages that go nowhere. If the page takes forever to load, none of that saves you. Keep alt text natural, don’t stuff it, and move on.
If your images are over 200KB, you already have a problem in most cases. Fix that first. Make compression part of how you upload, not something you remember later. It’s one of the quickest wins you’ll get in SEO, and honestly, it’s not even close.

