W3 Total Cache vs Scalability Pro
Want faster results? Try Scalability Pro on your store.
Get Scalability Pro →Comparing W3 Total Cache with Scalability Pro? This page breaks down the key differences and similarities so you can find the best fit for your WordPress or WooCommerce store.
Overview of W3 Total Cache
W3 Total Cache improves the SEO, Core Web Vitals, and overall user experience of your site by increasing website performance and reducing load times via features like content delivery network integration and browser caching.
How Scalability Pro differs from W3 Total Cache
All plugins from Super Speedy Plugins share a SQL-first architecture and an uncompromising focus on performance — and Scalability Pro is no different. Here is what sets it apart:
Your site was fast when it was small. Now archive pages, imports and wp-admin screens are waiting on the database. Scalability Pro adds the indexes WordPress leaves out, stops it counting rows nobody reads, and defers the work that turns an import into an overnight job.
How to choose between W3 Total Cache and Scalability Pro?
Scale is where most plugins start to struggle, and exactly where Scalability Pro was designed to thrive. Unlike W3 Total Cache, every Scalability Pro release is stress-tested against a one-million-product WooCommerce store before it reaches your server. If your load times have been creeping upwards as your catalogue grows, migration is simpler than you might fear — and a free trial means you can confirm the improvement on staging before making any commitment.
What do others say about Scalability Pro?
My client site has about 10k products variations. Page loading time was around 10s, and by adding this plugin and doing a quick setup by following the guide, the WooCommerce pages now load in 2s. Still a bit more tweaking to do on my side with a few different options, but this plugin took my client site from being useless (yes a 10s load time for product pages renders your site useless!) to very useful 😉 Thanks for the great plugin and support!
Works very well, noticeable results immediately.
This plugin is brilliant!!! Would give it 10 stars if I could. Brought the site loading times down to less than 2 seconds – was sitting at about 10 seconds before. Had a few problems with the configuration but the support was great and got me setup in no time. I highly recommend this plugin.
Scalability Pro Knowledge Base
View full Knowledge Base →Articles about Scalability Pro
View all articles →- New SQL enhancement for Scalability Pro to fix WooCommerce long-running query in the product-hero block
- Speeding up WooCommerce 7 (wp-admin and imports)
- More speed boosts for wp-admin and imports with Scalability Pro upgrade
- Performance boost for WooCommerce onboarding code on large sites
- December Development Update
- More speed, more updates, and a bit of a roadmap for our plugins
- Beta downloads and historic plugin versions now in your account
- Upgrades to multiple Super Speedy Plugins plugins now in beta
- Bridge theme speed improvements included in latest Scalability Pro update
- Faster Woo Widgets beta
- Speed hacks for the Newspaper theme by tagDiv: Transform your site speed
- Making the WPNotif plugin faster
- Speeding up WP All Import imports using Scalability Pro
- Performance Optimisation for various XML Sitemap plugins
- Getting Rehub Working with Super Speedy Plugins
- Rehub Theme Performance and Scalability Review
- Foundthru demo site of Super Speedy Plugins plugins
- Scaling WooCommerce to 1 million products (my talk at WordCamp Brighton)
What's new in Scalability Pro?
6.38.0 (30th October 2026)
- *Alter main query to use EXISTS rather than LEFT JOIN* leaves pages Super Speedy Filters serves from its own index to Super Speedy Filters, so they no longer carry an extra product visibility check.
6.37.11 (30th October 2026)
- Fixed database errors about missing `scalability_pro_post_count_cache` and `scalability_pro_transient_cache` tables after activating Scalability Pro with WP-CLI: activation creates the cache tables before anything uses them.
6.37.10 (29th October 2026)
- Updated super-speedy-settings to 1.14.3: update downloads now send the licence key in a request header instead of the download URL.
6.37.9 (29th October 2026)
- Fixed native WordPress search running slower with Scalability Pro's indexes installed on large stores: the `wpi_scalability_pro_sitemaps` index now leads with `post_type` and is rebuilt automatically after updating.
6.37.8 (29th October 2026)
- Reworded the *Alter main query to use EXISTS rather than LEFT JOIN* description: it changes how the SQL is written, never which products are shown.
Want faster results? Try Scalability Pro on your store.
Get Scalability Pro →
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