Clearing Cache: The Downside of High-Performance Web Design

You’ve just perfected a lead-generating blog post, or pushed a brand-new design feature and the old version is still staring back at you like the work never happened.

Before you assume your internet is broken or your web developer has gone rogue, let’s talk about cache.

It’s pronounced cash, like the money in your pocket. If you’re calling it a ca-shé, you’re probably about to uncover a hidden stash of vintage jewellery in a Parisian apartment. Very sophisticated but not what’s happening in your browser.

At our little Bristol WordPress agency, we obsess over websites that look amazing but we’re even more dedicated to sites that load fast. We want your visitors to have a seamless, instant experience. The ironic downside? That very cache that enables your high performance website can be hard to clear.

Your browser is a well-meaning hoarder. It tries to be helpful by saving a snapshot of your site and files so it doesn’t have to download the whole thing again the next time you visit. That’s great for speed but can be frustrating if you can’t view those new changes you’ve just made.

Wait, So Why Do I Need Cache?

Short answer is you don’t.

Modern browsers by default won’t re-fetch assets already downloaded over a short amount of time. BUT (and it’s a big but!) by properly configuring the various types of cache you can:

• Speed up your website load times
• Increase your website Google ranking
• Reduce the strain on your hosting resource

There are many ways to improve your search appearance but caching alone could help you jump from a poor page 5 to an excellent page 1 ranking.

The Three Layers of the “Why Can’t I See It?” Cake

To make your site perform at an award-winning level, we actually use three different types of caching. When you make a change, you might be fighting one (or all) of these:

1. Browser Cache: This lives on your device. Your laptop or phone saves images and files locally so it doesn’t have to fetch them from the internet every time you click a link. Finely tuning this and telling the browser how long it should store these files helps speed things up, especially for static files for returning users.
2. Server Cache: This lives on our side. To save your website’s brain (the server) from working too hard, we store a compressed, pre-built version of your pages. It’s much faster than building the page from scratch every time someone visits.
3. Cloudflare: This is the global layer. Cloudflare (or other CDNs) takes a copy of your site and puts it on servers all over the world. It’s great for SEO & Performance but it means your update has to travel through one extra bouncer before it reaches the public.

The Quick Sanity Check: Go Incognito

Before you dive into your settings or throw the iPad out the window, try a simple test. Open a Private or Incognito window.

This starts the browser with a completely clean slate – no history, no cookies, no hoarding. If the site looks correct there but old in your normal window, you’ve officially identified a cache problem. It’s the easiest way to prove you aren’t seeing things.

The Desktop Hard Refresh

You don’t always need to go digging through menus. Usually, you can just force the browser to ignore its saved files and download the fresh stuff.

• Chrome / Firefox / Edge on Windows: Hold Ctrl and press F5.
• Chrome / Firefox on Mac: Hold Cmd + Shift and press R.
• Safari on Mac: Hold Option + Cmd and press E (to empty cache), then hit Cmd + R to refresh.

Mobile Browsers (The Stubborn Ones)

Mobile caching is notoriously “sticky.” Your phone wants to save data more than it wants to show you that new “Contact Us” button you just added.

iPhone / Safari:

• Open Settings.
• Scroll down to Safari.
• Scroll to the bottom and tap Clear History and Website Data.

Note: This will close your open tabs but it’s the most reliable way to force Safari to look at the current version of the world.

Android / Chrome:

• Open the Chrome app.
• Tap the three dots (top right) > History > Clear browsing data.
• Select Cached images and files and hit Clear data.

Cut The Cache

Still seeing the old version after doing all the above? Okay, now you can email me. I’ll be standing by, ready to help (and I promise not to judge how you pronounce it).

Want us to take a look at your site’s performance? Get in touch with the DCOED team today.