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Optimising for High Latency Environments

CSS Wizardry

This gives fascinating insights into the network topography of our visitors, and how much we might be impacted by high latency regions. Round-trip-time (RTT) is basically a measure of latency—how long did it take to get from one endpoint to another and back again? What is RTT? RTT isn’t a you-thing, it’s a them-thing.

Latency 234
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Best practices and key metrics for improving mobile app performance

Dynatrace

Mobile applications (apps) are an increasingly important channel for reaching customers, but the distributed nature of mobile app platforms and delivery networks can cause performance problems that leave users frustrated, or worse, turning to competitors. What is mobile app performance?

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Business KPI tracking for mobile applications with Dynatrace: The value of an end-to-end platform for mobile app owners

Dynatrace

If you’re responsible for the overall performance and success of a mobile application, you likely have many KPIs to measure and monitor, along with business KPI tracking. An all-in-one software intelligence platform with comprehensive native mobile app monitoring integrated with end-to-end observability meets this need. .

Mobile 264
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Migrating Netflix to GraphQL Safely

The Netflix TechBlog

We migrated Netflix’s mobile apps to GraphQL with zero downtime, which involved a total overhaul from the client to the API layer. Until recently, an internal API framework, Falcor , powered our mobile apps. To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render.

Traffic 357
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Time to First Byte: What It Is and Why It Matters

CSS Wizardry

The first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. Armed with this knowledge, we can soon understand why TTFB can often increase so dramatically on mobile. The reason is because mobile networks are, as a rule, high latency connections.

Latency 270
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The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

Plotted on the same horizontal axis of 1.6s, the waterfalls speak for themselves: 201ms of cumulative latency; 109ms of cumulative download. 4,362ms of cumulative latency; 240ms of cumulative download. When we talk about downloading files, we—generally speaking—have two things to consider: latency and bandwidth. It gets worse.

Cache 348
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What is real user monitoring (RUM)?

Dynatrace

Native mobile applications are monitored by adding the monitoring library directly to your mobile application package. Detecting differences in performance when an application is accessed by different kinds of mobile devices. Providing insight into the service latency to help developers identify poorly performing code.