Let’s look at OpenCart optimization methods that don’t require purchasing additional modules or paying for services. The main stages of OpenCart speed optimization.
A massive SEO manipulation: how pirate site DEV-OPENCART used hidden links in module code to capture Google's top rankings. 1.8M backlinks, hundreds of infected sites, and search engines' silence.
We conducted comprehensive performance testing of three OpenCart versions 3.0.3.8, 3.0.4.1, and 4.1.0.3 using synthetic tests and real network conditions.