28/11/25
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10
min
Advanced metrics that every ecommerce app should measure
Speed is everything in the world of mobile ecommerce. According to Google, 53% of users abandon an app if it takes more than 3 seconds to load. And in eCommerce apps, every millisecond counts: several studies show that for every additional 100ms of waiting, conversion can drop by up to 7%. Therefore, knowing how to improve loading times in ecommerce apps is essential to increase sales, retention and user satisfaction.
In this article you will discover advanced optimization and performance strategies applied to mobile apps, as well as practical tips to implement them today and a real case: that of Ostu, an online fashion store for women, men and children that has significantly improved its speed and conversion thanks to its eCommerce app.
The mobile user has little patience. In an environment dominated by immediacy, performance optimization becomes a decisive competitive advantage. Key facts:
Speed doesn't just improve the experience: it translates directly into more sales, more retention and an increase in average order value.
Images usually represent between 45% and 60% of the data loaded in an eCommerce app. To optimize them:
An optimized backend can reduce the initial load time from 1.5 seconds to less than 300 ms. Recommended actions:
Caching is one of the most powerful tools of advanced optimization. It allows the most used elements to load up to 10 times faster.
The best apps in the world split the initial load so that the user enters the home page quickly, while the rest loads in the background. This can reduce opening time by up to 40%.
Eliminating resources that do not contribute to conversion reduces the app's weight and increases speed.
It is not only the actual load time that matters, but the user's perception. Most high-performance systems use stimuli that "hide" the waiting time.
A good indicator can reduce the perception of waiting by up to 20%.
Transitions of 0.2 to 0.3 seconds generate a sense of immediate fluidity.
At the touch of a button, the app should react instantly: color changes, slight vibration or micro-animations.
Speed also affects ranking in the App Store and Google Play. Faster apps get:
Google rewards apps with reduced load times, which reinforces organic acquisition.
Ostu, an online fashion store for the whole family, is a clear example of how optimizing load times in ecommerce apps can transform the performance of a business.
These changes not only improved speed: they increased user satisfaction, reduced abandonment and increased the average time in the app.
It is possible to optimize images, implement caching, reduce server calls and eliminate heavy resources without redoing the entire architecture.
Tools such as Firebase Performance, New Relic Mobile or AppDynamics allow you to analyze load times, latency and resource consumption.
Mobile users expect immediacy. A slow app generates frustration, increases abandonment and reduces impulse buying.
Fast apps achieve higher retention, better reviews and positive behavior that Google Play and App Store reward with more visibility.
Heavy images, too many calls to the server, no cache, unnecessary scripts and excessive initial load are the most frequent failures.
Improving load times in ecommerce apps is one of the most profitable actions a digital business can take. A fast app not only sells more: it retains better, ranks better and creates an experience that the user wants to repeat. With advanced optimization and performance strategies, and following examples like Ostu's, any brand can start today to transform its mobile app and increase conversion.
