The Netflix TechBlog

SEPTEMBER 10, 2024

As of today, we’ve expanded our list of candidate devices even further to nearly a billion devices, including mobile devices running the Netflix app and the website experience. In our case, we value low latency — the faster we can read from KeyValue, the faster these messages can get delivered.

Latency 234

Latency Cache Tuning Efficiency 234

KeyCDN

FEBRUARY 4, 2021

With the rise of distributed denial-of-service (DDoS) attacks using a high quality DNS hosting provider is very important to the redundancy of your website. There is nothing worse for visitors than your website being inaccessible. Oddly enough we encountered this error to a third party website while writing this article.

Cache 134

Cache Website Internet Internet 134

Smashing Magazine

SEPTEMBER 24, 2021

Lessons Learned Rebuilding A Large E-Commerce Website With Next.js (Case Study). Lessons Learned Rebuilding A Large E-Commerce Website With Next.js (Case Study). To mitigate the performance issues, we had to add a lot of (unbudgeted) extra servers and had to aggressively cache pages on a reverse proxy. Jonne Kats. Challenges.

Website 132

Website Code Servers Analytics 132

Scalegrid

JANUARY 21, 2025

Identifying key Redis metrics such as latency, CPU usage, and memory metrics is crucial for effective Redis monitoring. To monitor Redis instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Providing them with clear insights into their systems performance overall.

Strategy 130

Strategy Monitoring Latency DevOps 130

All Things Distributed

JUNE 20, 2017

This enables customers to serve content to their end users with low latency, giving them the best application experience. In 2008, AWS opened a point of presence (PoP) in Hong Kong to enable customers to serve content to their end users with low latency. Since then, AWS has added two more PoPs in Hong Kong, the latest in 2016.

AWS 126

AWS Logistics Cloud Social Media 126

All Things Distributed

JUNE 21, 2018

Use cases such as gaming, ad tech, and IoT lend themselves particularly well to the key-value data model where the access patterns require low-latency Gets/Puts for known key values. The purpose of DynamoDB is to provide consistent single-digit millisecond latency for any scale of workloads. Take Expedia, for example.

Database 167

Database AWS Games Latency 167

Scalegrid

DECEMBER 21, 2023

Identifying key Redis® metrics such as latency, CPU usage, and memory metrics is crucial for effective Redis monitoring. To monitor Redis® instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Providing them with clear insights into their system’s performance overall.

Strategy 130

Strategy Monitoring Latency DevOps 130

KeyCDN

MARCH 10, 2021

The image below shows a significant drop in latency once we've launched the new point of presence in Israel. In fact, latency has been reduced by almost 50%! With a total of 5 POPs in Oceania, this continent benefits from lower latency with every POP added. With a population of 2.5 This now changes with the new POP.

Latency 110

Latency Internet Internet Speed 110

All Things Distributed

DECEMBER 5, 2010

There are two main types of DNS servers: authoritative servers and caching resolvers. But the real robustness of the DNS system comes through the way lookups are handled, which is what caching resolvers do. Caching techniques ensure that the DNS system doesnt get overloaded with queries. It is not the critic who counts.

Cloud 113

Cloud Internet Internet AWS 113

Smashing Magazine

MAY 16, 2022

Let’s assume all website images return this Server-Timing header structure. Examples of this might be, expecting that the HTML is fully static, such that we can cache it downstream in some deterministic manner — “partially dynamic” HTML bodies are much more likely to be handled incorrectly by caching logic.

Servers 111

Servers Monitoring Cache Network 111

Smashing Magazine

AUGUST 20, 2021

The world’s first website was made from static HTML files created in a text editor. Fast-forward 30 years, and website technology has changed significantly — we have images, stylesheets, JavaScript, streaming video, AJAX, animation, WebSockets, WebGL, rounded corners in CSS — the list goes on. Mike Neumegen. released 1998.

Ecommerce 142

Ecommerce Website Government Internet 142

CSS - Tricks

APRIL 1, 2021

Speed is also something Google considers when ranking your website placement on mobile. Go ahead, briefly look at the things that Lighthouse says are wrong with the website. Before we do anything else, let’s see what happens when we first hit the website. Compressing, minifying and caching assets. It gets redirected.

Cache 94

Cache Social Media Media Website 94

Percona

JUNE 22, 2023

Database uptime and availability Monitoring database uptime and availability is crucial as it directly impacts the availability of critical data and the performance of applications or websites that rely on the MySQL database.

Performance 135

Performance Monitoring Traffic Database 135

All Things Distributed

NOVEMBER 26, 2013

About 5 years ago, I introduced you to AWS Availability Zones, which are distinct locations within a Region that are engineered to be insulated from failures in other Availability Zones and provide inexpensive, low latency network connectivity to other Availability Zones in the same region.

Cloud 111

Cloud AWS Traffic Latency 111

Smashing Magazine

AUGUST 3, 2023

This commitment involves prioritizing websites that offer not only relevant content but also an excellent user experience. LCP is particularly vital for landing pages , which are predominantly content and often the first touch-point a visitor has with a website. Here are some examples: Looker Studio filter.

Performance 78

Performance Cache Traffic Metrics 78

Smashing Magazine

OCTOBER 31, 2023

This data is distinct from CrUX because it’s collected directly by the website owner by installing an analytics snippet on their website. This environment often doesn’t even match the average real user on the website, who may have a faster network connection or a slower CPU. So why use lab data at all?

Speed 117

Speed Google Website Metrics 117

Adrian Cockcroft

JANUARY 29, 2023

The mean and percentile measurements hide this structure, but the rest of this post will show how the structure can be measured and analyzed so that you can figure out a useful model of your system, understand what is driving the long tail of latencies and come up with better SLAs and measures of capacity.

Lambda 98

Lambda Latency Cache C++ 98

KeyCDN

SEPTEMBER 12, 2019

When it comes to marketing your website, there are a lot of different aspects to consider, such as speed, SEO, conversation rates, bounce rate, and many others. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106

IO River

NOVEMBER 2, 2023

Do continue reading to gain a deep dive into static and dynamic content, its differences, pros, and cons while focusing on the best ways to optimize performance on websites that use such content.‍What Content Delivery Networks (CDNs), web browsers, and proxy servers can store static files in their caches. What is Static Content?Static

Cache 52

Cache Social Media Website Performance Website 52

Dotcom-Montior

MAY 6, 2020

Waterfall charts are diagrams which represent how website resources are being downloaded, parsed by the engine, in a timeline that gives us the opportunity to see the sequence and dependencies between resources. If your website isn’t fast enough, the user will not wait for it to finish loading. Queued request. DNS lookup.

Performance 53

Performance Website Cache Speed 53

Dotcom-Montior

MARCH 6, 2022

Waterfall charts are diagrams which represent how website resources are being downloaded, parsed by the engine, in a timeline that gives us the opportunity to see the sequence and dependencies between resources. If your website isn’t fast enough, the user will not wait for it to finish loading. Queued request. DNS lookup.

Performance 52

Performance Website Cache Speed 52

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Cache-Headers missing? Estimated Input Latency. Estimated Input Latency. Service workers that will cache the bytecode result of a parsed and compiled script. After that, it’ll be mitigated by cache.

Google 73

Google Engineering Speed Mobile 73

Smashing Magazine

APRIL 17, 2019

For a busy page with lots of external resources (like perhaps a news website with loads of ads and trackers), there might be dozens of DNS lookups required per page. The browser caches the results of these lookups, but they can be slow. You might think of a prefetch as being a bit like adding a file to the browser’s cache.

Performance 109

Performance Servers Games Cache 109

KeyCDN

JULY 11, 2019

Well, that is probably true, as long as they don’t slow down your website to the point where you are losing visitors. When it comes to optimizing your website, images are generally the most important asset you should spend time on figuring out how to reduce in size and deliver in a more efficient way. Mbps ( Opensignal ).

Speed 52

Speed Website Mobile Latency 52

IO River

NOVEMBER 2, 2023

Do continue reading to gain a deep dive into static and dynamic content, its differences, pros, and cons while focusing on the best ways to optimize performance on websites that use such content.‍What is Static Content?Static Content Delivery Networks (CDNs), web browsers, and proxy servers can store static files in their caches.

Cache 40

Cache Social Media Website Performance Website 40

Brendan Gregg

JANUARY 17, 2018

Short durations can be useful for understanding how well a WSS will fit into the CPU caches (L1/L2/L3, TLB L1/L2, etc). In this case, 28 Mbytes is a little larger than the LLC for this CPU, so may not cache so well (in a single LLC, anyway, and based on this single measurement). Why did I use a 100 ms interval? 16.570 403.66

Cache 62

Cache Latency C++ Programming 62

Smashing Magazine

SEPTEMBER 6, 2021

This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed. Finally, not inlining resources has an added latency cost because the file needs to be requested. Large preview ).

Network 120

Network Servers Cache Traffic 120

Speed Curve

JUNE 18, 2019

Raise your hand if you've ever poured countless hours into making a fast website, only to have it slowly degrade over time. At some point you'll be given permission to "focus on performance" and after many more hours, the website will be fast again. The secret to a faster website? Network latency will affect performance testing.

Performance Testing 55

Performance Testing Testing Performance Cache 55

Tim Kadlec

AUGUST 14, 2018

The area he was in was served by satellite internet access, and experienced significant latency (a floor of 506 milliseconds) and packet loss (between 50-80% was typical). To counter this, the school he was visiting sets up their own local caching server. But, as he explains, this approach falls apart when HTTPS gets involved.

Cache 64

Cache Mobile Servers Latency 64

Dean Hume

APRIL 24, 2018

Using service workers can actually reduce the amount of energy that users that visit your website consume. While this may not seem significant for websites with low traffic, as traffic to the site begins to increase, so does the amount of energy consumed. The title of this article might seem like clickbait - but bear with me.

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

Using service workers can actually reduce the amount of energy that users that visit your website consume. While this may not seem significant for websites with low traffic, as traffic to the site begins to increase, so does the amount of energy consumed. The title of this article might seem like clickbait - but bear with me.

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

Using service workers can actually reduce the amount of energy that users that visit your website consume. While this may not seem significant for websites with low traffic, as traffic to the site begins to increase, so does the amount of energy consumed. The title of this article might seem like clickbait - but bear with me.

Energy 40

Energy Cache Traffic Website 40

IO River

NOVEMBER 2, 2023

With the ever-growing demands of the internet, websites and web applications face the challenge of delivering content swiftly and efficiently to users worldwide. Latency is a concept that increases with distance, so a signal that has to travel 1,000 KM will be much faster compared to a signal sprinting for that 100,000 KM.

Traffic 52

Traffic Cache Servers Network 52

IO River

NOVEMBER 2, 2023

For example, if you’re deploying the infrastructure for an e-commerce website, security becomes a fundamental requirement. Some are standard, offering the basic services you need to ensure traffic routing and low latency, while others offer premium services like advanced security capabilities.

Infrastructure 52

Infrastructure Traffic Cache Strategy 52

KeyCDN

FEBRUARY 14, 2019

Let’s cover some ways to speed up GIF animations on your website and look at some alternative formats that you should consider. That said, just because GIFs are easy to use doesn’t make them ideal for websites. A CDN will pull the GIF files from your origin server and cache them. Why Speed Up GIF Animations?

Speed 50

Speed Website Servers Latency 50

Rigor

DECEMBER 19, 2019

Synthetic monitoring vendors provide a remote (often global) infrastructure that visits a website periodically and records the performance data for each run. Real user monitoring vendors provide an agent (Javascript) that is injected on each page of a website or application. Real User Monitoring (RUM). Benchmark Against Competitors.

Monitoring 40

Monitoring Benchmarking Website Traffic 40

Percona

SEPTEMBER 1, 2023

This reduction in latency ensures that applications and websites provide a more rapid and responsive user experience. Efficient memory management, including optimizing query caches and buffer pools, can help strike the right balance between memory consumption and query response times.

Tuning 52

Tuning Database Performance Hardware 52