A Single Page Application loads data dynamically without loading the entire content for each subsequent request. Learn what is SPA and the workflow of it.
To help solve the debugging problem in PHP, here's a primer on what debugging is and its techniques, how they work, and what makes them different. Look into the blog for detailed illustration with simple examples and know more about it.
If you want an APM that you can get all the features one would need in understanding performance monitoring of your apps. Read about all the NewRelic alternatives here.
Most of the organizations now prefer Heroku for managing and deploying modern apps. You can now monitor you apps deployed in Heroku with Atatus. Look in the blog for the detailed descriptions about monitoring Heroku apps.
Collect and analyze data about the infrastructure/server wit Infrastructure Monitoring. Using this data, you can monitor the performance and the behavior of the hosts at the infrastructure level. Try it for free.
Gain end-to-end visibility on your by measuring the performance of your Node.js application. Get to know the features offered by Atatus and start monitoring your services.