Speero's A/B Pre-test Calculator helps you answer vital pre-test questions like MDE, sample size, duration, and more.
A/B Pre-test Calculator by Speero Extension
— What is the minimal detectible effect I can test for?
— How long should I test for considering the effect?
— What's the sample size?
— How to use Speero's A/B Pre-test Calculator? —
Type in the number of weekly sessions or users, conversions, and a number of test variants, and see if your website has the capacity to test your ideas.
Or just sign in with Google Analytics and let Speero’s calculator get the results for you.
Speero’s A/B Pre-test Calculator is pre-defined for 2 variants (including control), confidence of 95% and statical power of 80%.
— Why Speero’s A/B Pre-test Calculator? —
One of the best A/B Pre-test Calculators, now in Plugin mode.
Determine sample size, MDE, and test duration on the go.
Filter By Page Path and compare pre-test data from multiple URLs.
The best part is that Speero’s A/B Pre-test Calculator connects with your GA4, letting you answer all your pre-test questions without leaving the tab.
Source Manifest.json
How to download and manually install A/B Pre-test Calculator by Speero extension for Chrome
Looking for a way to install A/B Pre-test Calculator by Speero extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install A/B Pre-test Calculator by Speero extensions manually, this article outlines two simple methods to effortlessly install A/B Pre-test Calculator by Speero extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download A/B Pre-test Calculator by Speero extension and manually install through Drag &Drop
If you ever need to manually install a A/B Pre-test Calculator by Speero extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the A/B Pre-test Calculator by Speero Extension by clicking the "Download CRX" button on the website.
Look for the A/B Pre-test Calculator by Speero extension you wish to install. Go to the website and download the A/B Pre-test Calculator by Speero extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for A/B Pre-test Calculator by Speero extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the A/B Pre-test Calculator by Speero extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download A/B Pre-test Calculator by Speero extension for Chrome and install in Developer Mode
This is another method to install A/B Pre-test Calculator by Speero extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the A/B Pre-test Calculator by Speero extension file
Select and download the A/B Pre-test Calculator by Speero extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the A/B Pre-test Calculator by Speero extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your A/B Pre-test Calculator by Speero extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the A/B Pre-test Calculator by Speero extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install A/B Pre-test Calculator by Speero extension in 2 ways. We hope this guide proves helpful.
Similar Extensions
Adobe Experience Platform Debugger 1,000+ 27 ★ 1.99MiB
Convert Experience Tools 1,000+ 5 ★ 937KiB
GA4 Fixer 1,000+ 18 ★ 3.3MiB
Datalayer Checker 1,000+ 33 ★ 93.13KiB
Adswerve - dataLayer Inspector+ 1,000+ 56 ★ 517KiB
A/B Experiment Variant Switcher 1,000+ 2 ★ 46.1KiB
Optimizely Assistant 1,000+ 4 ★ 515KiB
Sample Ratio Mismatch (SRM) Checker 1,000+ 1 ★ 14.01KiB
Omnibug 1,000+ 50 ★ 1.35MiB
VWO 1,000+ 8 ★ 2.47MiB
Google Analytics Debugger 1,000+ 533 ★ 28.88KiB
Microsoft Clarity Live 1,000+ 24 ★ 984KiB
dataslayer 1,000+ 80 ★ 417KiB
Da Vinci Tools 1,000+ 34 ★ 1.2MiB
Analytics Debugger 1,000+ 211 ★ 300KiB
Contentsquare - CS Live 1,000+ 8 ★ 16.24MiB
Conversion.com's Optimizely Chrome Extension 1,000+ 11 ★ 1.1MiB
AB Tasty 1,000+ 1 ★ 5.21MiB
Debugger for Google Analytics 4 (GA4) 1,000+ 28 ★ 102KiB
WASP.inspector: Analytics Solution Profiler 1,000+ 189 ★ 401KiB
Kameleoon 1,000+ 9 ★ 1.47MiB
Varify.io® 1,000+ 10 ★ 78.71KiB
ObservePoint Debugger 1,000+ 52 ★ 3.6MiB
Adobe Target VEC Helper 1,000+ 13 ★ 546KiB