Let’s Encrypt has announced that it will no longer send certificate expiration notification emails. What now?

Real User Monitoring

How to Monitor the Performance of Mobile-Friendly Websites

Mobile-friendly websites are a must. We are all using mobile devices more and more to access information and perform all kinds of work and tasks - shopping, banking, communication, dating,

A Complete Guide to Google’s Core Web Vitals and How to Optimize Them

Definition: What Are Core Web Vitals? Core Web Vitals are a set of metrics that Google uses to assess a user's experience on a web page. These metrics help developers

Web Browser Update Problems: How to Monitor Website Performance Anomalies Caused by New Browser Versions

When new web browser versions are released, new bugs are inevitably introduced, which can degrade a website’s performance and increase the overall page load time. This can severely impact a

Real User Monitoring (RUM) vs. Synthetic Monitoring Comparison

Three seconds is all it takes before your customer decides to leave. Would you imagine that! The audacity of some people! But, can you really blame them? We live in

What Is Network Latency: Common Causes and How to Fix Them for Good Performance

So you finally launched your service worldwide, great! The next thing you’ll see is thousands and thousands of people flooding into your amazing website from all corners of the world

14 Website Speed Optimization Tips: Techniques to Improve Performance and User Experience

In today's digital world, everything comes down to speed. It doesn't matter if you have the most complex and good-looking site if it takes forever to load. There are various

20+ UX Metrics & KPIs Product Managers Should Measure for User Experience [Guide]

User experience (UX) is everything today. Poor digital experience can easily and quickly reflect in your client list and thus, your bottom line. It starts from the first user interaction

How to Find Memory Leaks in Websites and Web Applications

Knowing how your users interact with your web application and how they experience it is crucial to provide the best possible experience. So what do you need to know? Start

Getting Started with Sematext Browser SDK for Front-end Performance Monitoring

Open-sourcing a code base for the world to see after working on it for a long time is a great experience. You should care about what your users want. You

What Are Script Errors and How to Fix Them

Do you use an error tracking tool for your website? Have you ever tried to debug a problem that a user reported, and when you looked at your error tracking

Top 10 Most Important Website Performance Metrics & KPIs Developers Should Measure

There are 1.3 billion websites out there in the great unknown and it’s hard not to think about what makes them different from one another. Why do users flock to

SPA Tracking & Monitoring: How to Build Better Single-Page Applications Through RUM (Real User Monitoring)

Did you know roughly half of the users that visit your website leave if it takes more than 3 seconds to load? Optimizing your website or webapp for stellar performance

Sematext Experience is here

Ever heard the expression “A picture is worth a thousand words”, well with Sematext Experience we want you to have a picture of the thousand words your customers want to

5 Best Practices for Real User Monitoring

More than likely you’re here because you’ve made the leap or are thinking of making the leap in investing in a Real Monitoring Solution. Congrats! You’re one step closer to

What Is Apdex Score: Definition, Calculation & How to Improve It

Looking for ways to measure your users’ experience? You’ve come to the right place. In this article, we will dive into the Apdex score, one of the main indicators for