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Find out how to Set-Up WebPageTest to Consider Technical web optimization

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WebPageTest and Technical web optimization

This text is an educational information that will help you precisely check load time utilizing It’s a supporting tutorial that’s a part of the MobileMoxie Technical web optimization Article Collection. In Might 2021, Google launched one among their greatest algorithm updates after the roll-out of Cell-First Indexing, asserting that load time and consumer engagement would quickly turn out to be extra necessary rating components. They’ve additionally pre-announce the Expertise Replace that has been delayed, however will now begin rolling out in July of 2021. These modifications to the Google search algorithm improve the necessity for technical instruments that present detailed suggestions on web page load time and on-page technical issues total. 

Whereas Lighthouse is a good instrument, typically it doesn’t offer you every part you want. At MobileMoxie, we imagine that is likely one of the most undervalued instruments within the web optimization business. The instrument gives detailed details about the well being of your pages and helps analyze issues like spherical journey requests, asset errors, redirects, caching considerations, safety info, and extra. Developed by Patrick Meenan, the open-source instrument was acquired in 2020 by Catchpoint. It was lately up to date, however has been offering free and helpful load time evaluation for years. On this article, we’ll overview tips on how to arrange WebPage Check for web optimization testing and spotlight necessary settings and leads to the instrument. 

NOTE: MobileMoxie doesn’t have any partnership with WebPageTest; we simply love the instrument! 

Find out how to Arrange a Internet Web page Testing

  1. Fundamental Check Set-Up: Entry the instrument at, choose the web page URL you wish to check, the geographic location you wish to check from, and browser for the check. The instance under exhibits the usual settings MobileMoxie utilized in a check for web optimization analysis. It’s best to at all times change the placement to replicate your enterprise wants or use California which is the place Googlebot is usually crawling from.
    WebPage Test Set Up
  2. Check Settings: Increase the Superior Settings menu to proceed the check setup. Underneath ‘Check Settings’, choose the specified connection pace that you just wish to simulate and the variety of occasions you wish to run the check, then click on on the radio button for ‘First and Repeat View’. MobileMoxie recommends at all times operating 3 assessments and testing at the least one cell and one desktop connection to match the outcomes. We use 3G or 3G Quick and Cable, and set them up in two totally different tabs, to be able to run the check at roughly the identical time. This can permit you to precisely evaluate variations between cell and desktop load time. We additionally suggest at all times testing First and Repeat Views. Googlebot cares principally concerning the First View as a result of that’s what it will get when it crawls a website however realizing concerning the Repeat View will allow you to troubleshoot and enhance the consumer expertise (UX) on the web page for customers who’ve visited the web page earlier than, or produce other regionally cached copies of website belongings.
    WebPage Test Basic Settings
  3. Superior: After getting accomplished the Superior Settings, click on on the Superior Tab, slightly below the Superior Settings expander. On this tab, you possibly can embrace or take away a number of the capabilities of the instrument if they aren’t wanted in your analysis. As a default, the instrument assessments till the web page is totally loaded and executes JavaScript, in addition to SSL Certificates validation. If these are usually not a priority you possibly can restrict the check. A pattern of our regular check settings is included under. As a consultancy, MobileMoxie at all times information the video in case shoppers wish to see them, however you should not have to incorporate this if you don’t want it.
    WebPage Test Advanced Settings
  4. Chromium: Now click on on the Chromium tab subsequent to the Superior tab. These settings permit you to check and measure your web page efficiency with particular Chrome capabilities enabled, comparable to:
    • The power to seize the Lighthouse report, which makes use of a ‘3G Quick Connection’ impartial of check settings. 
    • The capability to emulate a particular cellphone – We attempt to choose the commonest gadget our web site customers is likely to be utilizing. On this case we’re utilizing an iPhone X, however older telephones are additionally accessible, and we typically check with these as effectively. 
    • You can too have your check seize a Dev Instruments Timeline, get the v8 Runtime Stats, a Chrome Hint and a community log. We allow these simply in case questions or objections get sophisticated and we want extra information later, in conversations with the DEV Staff. 
    • In case you are selectively serving any components of your pages, you even have the power to request the web page with a particular consumer agent string, together with the 2 predominant GoogleBots:
      • GoogleBot Cell: Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Construct/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z‡ Cell Safari/537.36 (suitable; Googlebot/2.1; +
        • (Google has switched to crawling with a bot that can preserve tempo with the releases of Chrome – referred to as an EverGreen bot, so this might change.)
      • GoogleBot Desktop: Mozilla/5.0 (suitable; Googlebot/2.1; + OR Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; suitable; Googlebot/2.1; + Chrome/W.X.Y.Z‡ Safari/537.36 
        • (Please notice that Google has mentioned that they are going to be crawling and indexing nearly solely with GoogleBot Cell (Smartphone) so testing with this consumer agent string is probably not consultant of present web optimization steerage from Google.)
    • We don’t allow information discount or any particular therapy for photos, since these wouldn’t apply to GoogleBot or GoogleBot Cell.
      WebPage Test Chromium Settings
  5. Evaluation all Settings: Keep in mind, you might be organising two assessments, in two totally different tabs, to run at about the identical time. A abstract of the beneficial settings for each assessments (in an web optimization context) are within the desk under:
    WebPage Test Settings Review
  6. Testing: Click on on ‘Begin Check’ in each tabs. As soon as the check begins, the instrument will present particulars concerning the progress of the check, or if there’s a queue, particulars about your place within the queue behind different assessments. You will have to attend a couple of minutes if there are a lot of different assessments ready to be run. (One of the best ways to keep away from the queue is to select much less fashionable areas or check at much less fashionable occasions of day – exterior of regular enterprise hours.)
    An necessary element right here is that at this level the instrument has already created a static URL on your check. You may copy this URL and use it to overview the outcomes at any time. We usually simply pop these urls right into a spreadsheet, and overview the outcomes later, when the entire assessments are achieved. Keep in mind to start out each assessments, and save each hyperlinks, in order that it is possible for you to to match them later, with out having to attend for one more check to run.
    WebPage Test URL
  7. Outcomes: For our instance we used the Amazon homepage. Right here is a hyperlink to the unique check. The instrument returns scores from A to F for Safety, First Byte Time, Hold-alive Enabled, Compress Switch, Compress Photographs, and Cache Static Content material, in addition to Lighthouse Efficiency Rating and Efficient use of CDN (sure or no), (all marked in inexperienced within the picture under) . The scores are clickable and by clicking on every rating it is possible for you to to entry extra particulars about successes and alternatives for the web page.
    Moreover, you will note information within the purple field under from Core Internet Vitals in addition to KPIs for Doc Full load time and Absolutely Loaded load time. These are nice information factors to make use of as a baseline to trace enhancements.
    Lastly, the instrument gives in depth particulars about the whole web page well being. These are unfold throughout the totally different tabs within the WebPageTest navigation (marked in yellow). You may copy and paste this info right into a spreadsheet for comparability of the cell and desktop outcomes, or simply preserve the 2 tabs open and click on forwards and backwards between them. We’ll go into extra particulars about info in these tabs in subsequent tutorials.
    WebPage Test Results


This was a fundamental tutorial for organising a load time evaluation in WebPage Check, and evaluating cell and desktop load occasions. This info can assist what to repair for higher efficiency in Cell-First Indexing and Core Internet Vitals. WebPage Check is likely one of the most in depth technical web optimization instruments in the marketplace that can be utilized at no cost, to assist with web optimization. It gives detailed info on web page belongings and cargo time, in addition to different technical considerations. MobileMoxie has created this text sequence about Technical web optimization (full listing included under) and it consists of many tutorials that leverage WebPage Check information. Reviewing these different metrics will assist your organization and/or your shoppers enhance vital technical points which negatively influence web optimization.

Full Record of Technical web optimization Articles:

  1. Find out how to Uncover & Handle Spherical Journey Requests
  2. How Matching Cell vs. Desktop Web page Property can Enhance Your web optimization
  3. Find out how to Determine Unused CSS or JavaScript on a Web page
  4. Find out how to Optimize Robotic Directions for Technical web optimization 
  5. Find out how to Use Sitemaps to Assist web optimization


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