Why Page Speed Scores can be Dangerous


All of the popular speed testing tools typically provide a page speed score along with their objective results. Google PageSpeed Insights has a their “Speed Score.” Below is an example from Pingdom’s page speed optimization score. Speed Optimization Tip

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The #1 Easiest Way to Speed Up a Slow Website


Many people reach out to us asking what is the #1 most important bang-for-your-buck tip on optimizing your website’s speed. The most important thing you can do to speed up your site is: Optimize your images! Speed Optimization Tips

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Increased accuracy for Visually complete and Speed index—measurements may be impacted


This is an announcement for the OneAgent version 1.171 release: you may see a change in Visually complete and Speed index calculation once you upgrade to OneAgent 1.171. Speed index calculation now takes more elements into account. Dynatrace news.

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Site Speed Metrics Explained – TTFB, Speed Index, Interactive, Load, Complete, and more


It’s one of the most frequently asked questions I see asked, “I’ve tested my site speed, so now what do these metrics mean?” Standard Website Speed Metrics. As we can see, a website’s “speed” is not a one-size-fits-all number that we can simply lower. Speed Index.

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ACM Survey – Part 3: How your peers speed up time to market


The post ACM Survey – Part 3: How your peers speed up time to market appeared first on Dynatrace blog. Dynatrace news. Welcome back to the blog series in which we summarize the findings of our Autonomous Cloud Management survey.

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PageSpeed Module: Dramatically Increase the Speed of Your Website Automatically


The way a website is constructed can have a major impact on website speed performance, but developers often have a hard time keeping track of factors that cause slow page loads and other speed-related issues. Speed Optimization Tips

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What Web Designers Can Do To Speed Up Mobile Websites

Smashing Magazine

What Web Designers Can Do To Speed Up Mobile Websites. What Web Designers Can Do To Speed Up Mobile Websites. I recently wrote a blog post for a web designer client about page speed and why it matters. Test My Site is a mobile page speed testing tool from Think with Google.

We Love Speed 2019 on September 20 in Lille


After a most successful 2018 edition, Dareboost is proud to keep sponsoring the French Web Performance event: We Love Speed.

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Beyond Speed: Why You Should Be Tracking Interactive Metrics


In the past, the answer would be based on the load time of a page, but over the years, we have evolved our approach to site speed to incorporate new metrics, alone or in combination with existing metrics. “How fast is a website?”

How to Optimize Website Speed for Black Friday 2017


The post How to Optimize Website Speed for Black Friday 2017 appeared first on Abstracta Software Testing Services. Performance Engineering Software Testing Black Friday load testing Page Speed Performance Performance Testing

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The Importance of Web Hosting Speed and Performance For Your Website


Speed Matters on the Internet. When it comes to whether visitors look at your page or not, the most significant factor is how fast your page loads. Amazon revealed that a one-second delay could lead to $1.6 billion fewer in sales per year, while Google claims that less than a one-second delay results in eight million fewer searches per day. performance internet ebusiness

How to Speed Up Page Load Times with Google’s PageSpeed Insights


Google’s PageSpeed Insights tools may be just what you need to leverage data collected through speed testing. Having too many large images, files, and plugins may slow down site speed or server response times and that is where PageSpeed testers come in. Why This Matters for Speed.

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Speed up next-page navigations with prefetching

Addy Osmani

Learn how to speed up next-page navigations using prefetching

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Beyond Speed: Why You Should Be Tracking Interactive Metrics


In the past, the answer would be based on the load time of a page, but over the years, we have evolved our approach to site speed to incorporate new metrics, alone or in combination with existing metrics. “How fast is a website?”

New Features – Custom Dashboards and Connection Speed Options


We’re happy to announce two new features that many of you have been asking for: custom dashboards and the ability to specify connection speed for your tests. If you’re monitoring the speed of a few urls, the default “All Urls” dashboard works just great.

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Is Your Website Mobile Friendly? The Mobile Speed Test


The Mobile Speed Test appeared first on Dotcom-Monitor Web Performance Blog. Page Load Speed Performance Tech TipsSo why do you want to know if your website is mobile friendly?

Speed Index now available

Speed Curve

Speed Index is now available on SpeedCurve. Speed Index is an important measure of a user's experience as the page loads. Here's a great video from Paul Irish introducing Speed Index at the recent Front End Ops Conference Choose "SpeedIndex" from the top right of the main graphs.

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How to Get Ready for Google’s Speed Update


Google recently announced the launch of their Speed Update. This change to how Google ranks websites for searches will now take mobile page speed into account in its ranking algorithm. While the Speed Update won’t be in effect until July 2018, there are steps that companies can take now to make sure they are not penalized. Google won’t notify you if your ranking is dinged by mobile speed, but you will see the impact in your Google Search Console and your traffic.

Refactoring towards speed-reading


Speed-reading is a technique many people have heard about. But don’t worry, we don’t need to set the new world record in speed reading to learn the basic concepts and apply them to another area: our code. So what makes speed reading that fast?

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Complete Guide - How to Speed up GIF Videos


Let’s cover some ways to speed up GIF animations on your website and look at some alternative formats that you should consider. Why Speed Up GIF Animations? In other words, optimizing your animated GIFs for speed often means sacrificing image quality.

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Speeding Up Hadoop Builds Using Distributed Unit Tests

Highly Scalable

In this article I describe a technique we used to speed up a Pig build from 9 hours to 1 hour 30 minutes using 6 Jenkins nodes. This technique is generic and can be considered as a general way to speed up maven or ant builds on Jenkins CI server or other CI systems.

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Architect your software delivery value stream for speed and quality with integration patterns


The post Architect your software delivery value stream for speed and quality with integration patterns appeared first on Tasktop Blog. “How can you go faster if you don’t know what’s slowing you down?” Carmen DeArdo, author of Standing on Shoulders: A Leader’s Guide to Digital Transformation.

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Image CDN - Speed Up the Delivery of Your Most Important Asset


For example, while the average mobile download speed on 4G in Switzerland is fast at 35.2 Mbps, countries with a growing Internet users like India is only at an average mobile download speed of 6.8 We ran some speed tests again on a test site with and without the CDN.

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Performance Testing – Testing for Speed, Stability, and Scalability


In general, performance testing tests the speed, stability, and scalability of an application. A performance test is any test that measures the speed, stability, and/or scalability of your software.

Alignment Efficiency: When to Sacrifice Speed for Greater Alignment

Strategic Tech

Ideally, all of our teams would be delivering at maximum speed and would all be heading in the same direction, highly-aligned with business goals. Unfortunately, we need to balance speed and alignment, and how we make this trade-off is not clear because not all alignment has the same cost.

IE11 and average speed update

Speed Curve

To keep inline with browser trends and average connection speeds SpeedCurve will begin updating the test setting every quarter. For Q2 2014 we're switching to IE11 which is now the most popular version of IE according to Akamai and StatsCounter and the average connection speed has been updated to 9.8Mbps download, 2.5Mbps upload with a 10ms latency. The 9.8Mbps download speed is based on the latest State of the Internet report from Akamai

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Speeding up Linux kernel builds with ccache

Nick Desaulniers

ccache , the compiler cache, is a fantastic way to speed up build times for C and C++ code that I previously recommended. Recently, I was playing around with trying to get it to speed up my Linux kernel builds, but wasn’t seeing any benefit. Usually when this happens with ccache, there’s something non-deterministic about the builds that prevents cache hits.

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Quickly understand how to improve the above-the-fold user experience of your applications


Top finding #2: Speed index exceeds a percentage of Visually complete timing. The second threshold is related to the Speed index and Visually complete metrics and how they relate to each other. The larger the difference between Speed index and Visually complete timing the better.

Performance Toolbelt: Page Speed

Tim Kadlec

Like it’s older brother YSlow, Page Speed , released by Google in in mid-2009, is primarily a tool to audit and analyze the performance of your site. However a closer looks shows that there is in fact a lot more that Page Speed can do. Page Speed analyzes the performance of a page based on a set of 26 rules (as of version 1.7) A complete list of the rules Page Speed checks for is below: Combine external CSS.

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MySQL Tutorial – Understanding The Seconds Behind Master Value


Understanding Execution Speed of the MySQL Slave. Assuming that the SQL Thread and IO Thread on the slave are in running states, it’s possible to understand the relative execution speeds of the master and the slave by monitoring the SBM value. A consistent ‘0’ value or a constant value indicates that the slave is executing at the same speed as the master.

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A simple, client-side approach to measuring Speed Index

Dean Hume

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. The NCC group website does a great job of explaining clearly how Speed Index is calculated. "Each

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The Color of Speed

Tim Kadlec

Three seconds does not always equal three seconds. Our perception of time is greatly skewed by a variety of seemingly unrelated factors, making it easy for us to perceive 3 seconds as 5 seconds, or as 1 second. Since ultimately it is how fast the user thinks our site is that matters, regardless what the stats say, we need to be very aware of these extraneous factors that influence their perception. One such factor is color.

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How To Avoid Landing Page Redirects (10 min read)


Web Performance google page speed insights HTTP javascript redirection optimize optimize URLs page speed insights redirectsRedirection occurs anytime your user attempts to load a page with a given URL, but is instead sent to a site that uses a slightly different address.

The Tracker Tax: How Third Party Trackers Impact Website Speed in the United States

Website Optimization

Personal consumer data has become the oil of the 21st century. American companies are expected to spend close to $20 billion on consumer data in 2018 (New York Times 2018). Data trackers are the main way advertisers gather this valuable consumer data. JavaScript optimization

Amazon DynamoDB Accelerator (DAX): Speed Up DynamoDB Response Times from Milliseconds to Microseconds without Application Rewrite.

All Things Distributed

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second.

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Top 10 Tips for Making the Spark + Alluxio Stack Blazing Fast


When data locality is achieved, Spark tasks can read in-Alluxio data from local Alluxio workers at memory speed (when ramdisk is configured) instead of transferring the data over the network. performance data spark speed alluxio load balance data locality capacity managementThe Apache Spark + Alluxio stack is getting quite popular particularly for the unification of data access across S3 and HDFS.

3 Reasons Mobile Apps Can Be Slow


performance mobile apps app design bridge cross platform app rendering speedSlowness comes in two flavors. One flavor includes loading screens, waiting for UI to build up, etc.

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How to Minify HTML


By reducing the size of the HTML files used to build your webpage, you can speed up your site’s page load times and make the download less expensive (in terms of data usage and browser work) for your user. Reading time 3 min.

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Fast Websites Are Good for the World


Pay attention to your site speed, and take pride knowing you’re making the earth greener, including all economic classes, preventing bad moods, and spreading love. The post Fast Websites Are Good for the World appeared first on MachMetrics Speed Blog. Speed Optimization Tips

Tips for Optimizing Your Site for Multiple Browsers and Devices


In today’s world where everyone is struggling for speed, time is money, and a slow website it is nothing more than poison to your business. performance cross browser testing cdn website speed amp image optimization mobile first website optimizationToday, everything is becoming more fast-paced. We look forward to faster things that save our time.

MySQL High Availability Framework Explained – Part II: Semisynchronous Replication


Managing The Execution Speed of The Slaves. With these settings, we will be able to get better parallelization and speed on the slave, but if there are too many parallel threads, the overhead involved in coordinating between the threads will also increase and can unfortunately offset the benefits. This is explained in detail in J-F Gagné’s blog where he refers to this behavior as ‘ slowing down the master to speed-up the slave’.

The 10 Must-Track Web Performance Metrics


While lots of these KPIs are speed metrics, content performance metrics, and behavioral metrics, don’t lose sight of your main purpose (perhaps revenue). This is an important content performance metric, as it almost always negatively correlated with speed. Speed Optimization Tip

Speed Matters talk at Auckland Web Dev Nights

Speed Curve

Why speed matters, examples of the impact saving a few seconds of load time has had on revenue and engagement. Bandwidth, latency and it's fundamental impact on the speed of the web. Here's the slides from my presentation at the Auckland Web Dev Nights meetup. It's an overview of why front-end performance matter, how to monitor it and the challenges faced when building for an increasingly mobile world. Content.