Due to the fact, that more and more people use a smartphone (in 2018 2.53 billion) and are used to the convenience of being mobile all the time, the expectations  are rising simultatnoiusly. Users are expecting a comfortable, intuaitive and fast experience. Speed is a crucial part which is becoming more and more important.

Google® is very restricive when it comes to page peed and even penalises slow websites. Visitors of a website, expect a site to load in less than one second.

On the other hand, there is a new phenomenon called “app fatigue”. People are instaling and using  less native apps (the ones from Google Play® and Apple’s App Store®), because apps use precious space on smartphones, run in the background without telling you (yes I know, I have to agree and allow the app to do so, But that’s like reading the Terms of Service in a contaract. We hardly read them). The only apps which a used regularly, are the Social Media ones. 

But times are changing…

Websites, which are called web apps nowadays, are more and more able to adapt the features of native apps. This is quite convenient, because a website doesn’t have to be installed and therefore they don’t use much memory space. They don’t use the functions of your smartphone or need any other allowance, as we all now when we’re installing native apps.

They only files, which are saved, are the pages a user has visited. By doing so, the user can interact with the site when there is no internet connection. A user can fill out a contact form and the data, provided by the user, will be saved locally. The moment, the device is connected with the internet, the data will be sent to the receiver.

Another possitve feature of PWAs is the fact, that they only run under https:// instead of the common http:// (the S stands for secure). One needs an SSL certificate to run a PWA. This ensures a higher level of security for the visitors. For those, who are not familiar with https:// and SSL certificates, here is a good and simple explanation. Read the post about SSL