IO River

NOVEMBER 2, 2023

Think of WAF as the security guard for your special mailbox. This means it specifically looks at the content of the data (like the writing inside our letters from the analogy) rather than just the envelope.So, what is the difference between a Firewall at the application level and network level?Network-level This is where WAF comes in!

Traffic 40

Traffic Network Logistics Architecture 40

Randon ASCII

APRIL 21, 2019

Windows 10: Hold my beer…. Update, April 23, 2019: Microsoft received the initial “anomaly” report on the 15th, the repro steps on the 21st, and announced a fix today. Windows 10 made these operations far more expensive, I’d already written four blog posts about the issues that this causes, and it fit the symptoms adequately well.

Virtualization 79

Virtualization Testing Processing Code 79

Smashing Magazine

SEPTEMBER 6, 2021

This difference by itself doesn’t do all that much (it mainly reduces the overhead on the server-side), but it leads to most of the following points. In practice, connection coalescing can be tricky to get right , e.g. due to several subtle security issues involving CORS. However, these mechanisms can (and do) suffer from bugs.

Network 104

Network Servers Cache Traffic 104

MachMetrics

JUNE 30, 2021

Since the news comes out in May 2021, there have been so many speculations about whether not passing the web vitals is going to crush rankings? When a page takes ~10 seconds to load it’s obvious that users lose patience and they more likely to leave the page. Not only that, those matrices that come before LCP will do even better.

Cache 78

Cache Speed Google Website 78

Smashing Magazine

JULY 29, 2019

This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. How far do I predict my 50 MB budget will take me? Yemen has the slowest, at 0.38

Cache 96

Cache Google Mobile Network 96

Randon ASCII

AUGUST 23, 2018

Chrome was doing this and that was leading to an essentially unbounded waste of memory, and hangs on some machines. If you VirtualFree a block of executable memory that is not a multiple of 256 KiB or is not 256 KiB aligned then the OS would have to do some bookkeeping to see whether any other executable memory is still using the CFG pages.

Operating System 58

Operating System Code Processing Systems 58

Smashing Magazine

SEPTEMBER 1, 2021

As this will be a rather long read, the impatient ones may want to check out the demos we’re going to encounter before continuing. To get the most out of this article, you should already have a basic understanding of SVG filters. Always test extensively if you roll out one of the techniques described here.

Testing 113

Testing Performance Design Website 113

Smashing Magazine

OCTOBER 11, 2021

2021-10-11T10:00:00+00:00. 2021-10-11T11:05:07+00:00. It was a “multi-stepped” form and not a trick by the website. Safari and Firefox do a good job at this (as we’ll soon see below). It simply looks like a regular contact card with some “share/do not share” options. The Autofill Dark Pattern. Alvaro Montoro.

Website 134

Website Design Code Mobile 134

Smashing Magazine

JANUARY 11, 2021

How do we actually know where we stand in terms of performance, and what exactly our performance bottlenecks are? And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? LogRocket tracks key metrics, incl. Get a free trial of LogRocket today. Large preview ).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? Currently a hidden metric in Lighthouse, to be rolled out if it proves to be valuable.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? And, most importantly, where do we even start improving performance and how do we establish a performance culture long-term? Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Vitaly Friedman.

Performance 103

Performance Cache Metrics Network 103