Of course, we complicate things when we drag third-party elements into our online shopping platforms for the sake of improving performance or security, adding new design features, or opening up greater functionality. Some innovations are minor and don’t bring many problems, some of them like installing or upgrading a theme can be a real headache. But the payoff is generally worth it. Without integrating new plugins and themes, we’d have to do much more manual coding and that isn’t the most effective way to build an eCommerce website these days. This article will give a checklist you should refer to before or while installing a new theme to avoid common mistakes.