The complete Guide for using WebPageTest (and getting the most out of the results) (r) (r)

May 13, 2023
A computer monitor hooked up to WebPageTest to make a website faster

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Every website must run as quick as is feasible. Achieving a high-quality website's performance is keeping at the top of your game through the day. That means continuously monitoring your site's performance, changing it to make improvements while also ensuring each page offers an optimal user experience.

In this post this article will be a detailed examination of WebPageTest and how you can profit from this program. In addition, we'll demonstrate how you can run tests, and analyze the outcomes. Then, we'll discuss the pros and cons using the software and also discuss costs. Let's get going!

What do you mean by WebPageTest?

WebPageTest can be described as a powerful open-source software program specifically designed for webmasters and administrators of websites who want to test and enhance their websites' effectiveness:

WebPageTest homepage
WebPageTest

This report gives a detailed examination of load times and their relationship with the speed at which rendering occurs and utilization of the network. Additionally, you'll get an in-depth study of every page's components that allows you to pinpoint weak points and bottlenecks.

The company was first introduced in the year 2008 and has continued to be in operation since then. WebPageTest is one of the most popular performance-testing services for web sites. The initial purpose was to be an internal tool to test inside AOL (yes it's very old).

Then, WebPageTest was released under an open-source license. The service's website was launched.

WebPageTest's primary features include:

  • Simulated tests of various areas around the world
  • Analyzing rendering of web pages along with loading techniques including waterfall charts and filmstrips

There is a way to take a test of your knowledge using WebPageTest, which is free. WebPageTest has a no-cost plan that allows you to run tests hundreds of occasions per month. You can also get outcomes in depth.

The reason you should utilize WebPageTest

There are a variety of varietiesof web-based performance instruments available. Most of them are totally cost-free and the quantity of information you get will depend on the tool you choose.

But, WebPageTest has a number of options that are superior to other program. Below are a few examples:

  • Check for performance issues. WebPageTest helps you discover potential bottlenecks and as well as areas for improvement permitting users to make improvements to your site.
  • Enhance search engine ranking. Site speed is an essential factor in search engine rankings. For engines like Google more speedy websites will rank higher when searching results.
  • The monitoring of performance over time. Regular testing with WebPageTest will allow you to check the performance of your site and spot any potential problems before they become serious problems. It is possible to monitor the performance of your site for a full year using the no-cost plan, which is more than enough to spot the trends.

Furthermore, WebPageTest presents the results in a simple method. It can be very helpful when you're just beginning to learn about the realm of performance testing and optimizing:

Performance summary by WebPageTest
WebPageTest Summaries of Performance

In addition to these brief summary, you'll also find numbers that pertain to the efficiency of your website. In the following section, we'll show you how to analyze these numbers.

What is the Best Way to Use WebPageTest

Running tests by using WebPageTest is easy. For starters, you'll need to create a free account and don't have to fill in information required for payment.

Starting a test on WebPageTest
Beginning a test with WebPageTest

To ensure the most complete outcomes, we suggest conducting both desktop and mobile tests. It is also recommended to pick a test site that is close to the server to ensure that the test results do not get affected because distance.

If there is no pre-configured location to can be used for testing select the Advanced Configuration option. There are other options for testing, in addition to entering advanced settings.

Configuring the settings on WebPageTest
Set your preferences

If you're happy with your configurations you can select "Start Test". It will take couple of seconds to be generated and, when they've been produced, you'll be able access an extensive report of tests.

What to Interpret WebPageTest Results

One of the main issues in programs such as WebPageTest is the fact that they offer a wealth of information to users following tests. It's not a problem when you know the specific metrics that you need to be looking at. It can, however, seem a little daunting when you're trying it for your first experience.

In order to comprehend the outcomes, you'll have to be aware of the following three primary aspects of the WebPageTest report. First, there is the section that's known as the"Performance Summary" section. This section provides an overview of your site's results. This report informs you about how your site's performance in terms of effectiveness, reliability, and user-friendliness.

Opportunities and Experiments section on WebPageTest
Opportunities and Experiments

You are able to select icons within every category to get more information. Each category has information on the parts that were tested, along with the outcomes. If there's a glitch within the site, it will be identified by the reason that caused it and offer recommendations on how to fix the issue.

Largest contentful paint
The most complete and rich in content paint

If you're on the main report page, you can access the of page performance metrics section. There's a selection of indicators that reveal how long it will take to load, before it's fully functioning.

Page performance metrics on WebPageTest
Metrics of page performance

If you're not certain regarding the meaning of this symbol means and mean and the significance of each, let us give you an overview:

  • . This metric is used to determine the amount of time for the website to respond to the browser's first request. Slow servers might take some time to react which can slow down the speed of loading overall.
  • Initial render. This tells you how long it takes for the website to display visible elements. This could mean that the website is operating in the background and until a user notices something, they might not know whether the page functions correctly.
  • First Contentful Paint (FCP): This is the duration for rendering by the browser of the initial piece of information on a page. Lower FCP means a faster loading website.
  • Speed index. A composite score which measures how fast the web page's content can be observed by visitors. The lower the score, the better the content.
  • . This metric will tell you the time it will take to load the primary portion of the web page. This is generally an accurate indicator of the page's loading time.
  • . This score indicates how often the design of a website "shifts" or changes as it load. The faster the page moves more, the worse user experience. Zero is the number to try to achieve in this situation.
  • Blocking duration total. With this metric it shows how long before the site is fully working. The site is being rendered in a visual manner, yet the site may be loading scripts on the background which block users from accessing the site.

This section on real-world usage metrics section gives a breakdown of these measures in relation to the recent results of tests conducted by other users (if there are). To see the complete picture of your site's performance, it is suggested to evaluate these metrics against previous site's performance indicators section.

The best outcome from this is the same or better:

Real-world usage metrics on WebPageTest
Useful metrics from real-world use

Also, it is suggested that you review the waterfall chart showing the loading process on each section of the webpage. This can help you identify the elements that may create delays, or could be made more efficient to achieve better results.

Have you used WebPageTest in testing Your Business?

If you've got a website that you'd like to check It is recommended that you examine it on a regular basis for efficiency of your website in order to ensure that the site offers a great user experience. There is no need to use your preferred tools to test performance. Let's look at a few of the reasons we would recommend WebPageTest.

In order to provide a clear outline, we'll also talk about the pros and cons of these solutions.

WebPageTest Pros

  • A thorough study. WebPageTest provides detailed information on the performance of the site, and makes it easy to pinpoint areas in need of improvement.
  • Tests that are flexible and you are able to modify. The tool supports various web browsers for different websites as well as testing settings that allow users to simulate diverse test scenarios. The test settings can be changed depending on your preference or you can use the default settings that this program provides if you need more information about the test.
  • Open source and free. We're big supporters of open-source software. It's a plus for using WebPageTest initially. While the website does offer a higher-end tier of service however, the no-cost plans are more than adequate for the vast most sites.
  • Historical performance data. With WebPageTest It is possible to access up to a period of 13 months of test data for every website you employ the service to evaluate. It's plenty of information to track patterns in performance for the majority of websites.
  • Improved performance of recommendations. WebPageTest provides recommendations or "opportunities" to improve the performance of your website depending on the issue it detects on your site. The report provides explanations of the motivation behind each of these modifications.

WebPageTest Cons

  • It is vital to register for this service. Even though WebPageTest provides a full free plan, you must join the test service to be able to utilize it. However, the service doesn't need payment information in the registration process.
  • The process of learning the curvature. WebPageTest provides a variety of information useful which can be overwhelming to those who are new to optimizing website performance. As opposed to other similar instruments, this curve is easier when using WebPageTest.
  • controlled automatic. While it is possible to automate WebPageTest through the API, it will require more setup and knowledge of coding compared with other programs that come with automated features.

WebPageTest Pricing

WebPageTest offers both Premium and free plans. Free plans allow you to avail an extensive number of tests every month. Additionally, the system keeps 13 months of test data to free and premium users.

WebPageTest Pricing
Pricing Model

In terms of benefits, customers of premium plans have the ability to conduct more tests. Furthermore, they'll get the first priority to conduct tests when the service is full (which doesn't happen often). Additionally, if you would like to get API acces to WebPageTest but you'll need to pay for the upgrade option.

How does WebPageTest compare to other Websites Speed Test Tools

This article will examine the ways in which WebPageTest could be used to compare the two alternatives.

Google PageSpeed Information

It was designed by Google this tool provides an easy-to-read score of performance, and offers specific suggestions for optimizing. The test results are comprehensive in comparison to WebPageTest.

In contrast, WebPageTest examines each page frequently during every test. Additionally, it allows users to create tests that can be developed and designed, an option which PageSpeed Insights doesn't offer.

Pingdom Tools

It is a great tool for people who wish to perform quick tests using an appropriate selection of servers. As opposed to PageSpeed Insights as well as WebPageTest, Pingdom isn't able provide a comprehensive review of the areas that need improvement or issues with your site. It instead provides the overall picture of your site's performance based on the information, that may suffice from time the time.

Based on our experiences, we've learned that it's possible to achieve top results by conducting frequent tests using various software. If you're planning only use one service, WebPageTest can deliver the highest quality results when compared with other options like PageSpeed Insights and Pingdom Tools.

Summary

It is vital to keep track of your site's performance in order to ensure that you keep your website is in good condition. This involves conducting regular test of your site's speed as well as various other tasks that speed up loading times.

There's a myriad of tools that evaluate the performance of a site, but we recommend WebPageTest. It's absolutely free and offers detailed outcomes. In addition, you'll be able to keep the results of your test up to 13 months. This gives you the overall view of how your website's performance over the span of.

  • It's simple to manage and set up My dashboard. My dashboard
  • Support is always available.
  • The most powerful Google Cloud Platform hardware and network driven by Kubernetes to guarantee maximum capacity
  • Enterprise-grade Cloudflare integration that speeds up security and speed
  • The global audience is reached with the prospect of being able to have 35 data centers well as more than 275 POPs located around the globe

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