The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. For us, the replay test tooling gave the confidence that our new code was nearly bug free. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

KeyCDN

NOVEMBER 4, 2021

The POP is strategially located within the country and lowers latency overall. KeyCDN is always on the lookout for ways to minimize latency and accelerate asset delivery worldwide. Hola Mexico! We've launched our new point of presence (POP) in Mexico City.

Latency 111

Latency Tuning Cache Traffic 111

The Netflix TechBlog

JUNE 14, 2023

The GraphQL shim enabled client engineers to move quickly onto GraphQL, figure out client-side concerns like cache normalization, experiment with different GraphQL clients, and investigate client performance without being blocked by server-side migrations. To launch Phase 1 safely, we used AB Testing. How does it work?

Traffic 353

Traffic Latency Cache Metrics 353

KeyCDN

JANUARY 31, 2019

The next closest active POP location to Bucharest was Istanbul which was still almost 900km away; this distance adds up in terms of latency. Before the implementation of our Bucharest POP, Romanian users were delivered content from our surrounding KeyCDN POPs.

Internet 48

Internet Internet Ecommerce Speed 48

KeyCDN

OCTOBER 24, 2018

Although both countries are relatively close to one another, they are separated by a distance of approximately 500km, which adds up in terms of latency. Before the implementation of our Helsinki POP, Finnish users were delivered content from our POP in Stockholm, Sweden.

Internet 48

Internet Internet Speed Network 48

KeyCDN

FEBRUARY 4, 2021

ISPs do cache DNS however which means if your first provider goes down it will still try to query the first DNS server for a period of time before querying for the second one. Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. So DNS services definitely go down!

Cache 134

Cache Website Internet Internet 134

KeyCDN

JULY 11, 2019

Using an image CDN, such as KeyCDN, can significantly reduce the latency of your image delivery. This means we need to always be testing for different devices and connections. Take advantage of free website speed test tools , many of which have options to test on mobile. For example, the query string ?width=600&quality=70

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Speed Website Mobile Latency 52