Tutorials
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How to Align an Image in Centre in HTML and CSS
Learn simple and effective ways to center images using HTML and CSS, including Flexbox, Grid, and inline styles, for a clean, responsive layout.
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How to Make Image Smaller in HTML
Learn easy ways to make images smaller in HTML for faster loading, better SEO, and responsive design. Optimize your website images effectively.
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Free/Open Source Load Testing Tools
Discover 17 top open-source load testing tools and learn how to choose the right one. Also, learn why real device testing with BrowserStack is essential.
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Top 25 Load Testing Software in 2025
Discover the top 25 load testing tools of 2025 to optimize app performance and ensure reliability under peak traffic conditions.
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Performance Testing Goals
Learn how to set clear performance goals and test app reliability, speed, and scalability using BrowserStack Automate across real devices and environments.
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What is API Performance Testing?
Learn about API performance testing, the key metrics evaluated, and its importance in the software development lifecycle.
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A Complete Guide to Automating iOS Springboard
Learn how to automate the iOS Springboard with frameworks like XCUITest, Appium, and Detox. Explore challenges, app icon interactions, and real device testing.
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How to Make JavaScript Wait for 1 Second: Using setTimeout and Promises?
Learn how to make JavaScript wait for 1 second using setTimeout, Promises, async/await, and more, with live examples using BrowserStack.
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Python Performance Testing : A Tutorial
Learn what Python performance testing is , how to run it using Timeit library, how to write load tests with Python and top tools for python performance and load testing.
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Load testing with Selenium: Tutorial
Learn how to conduct load tests with Selenium, the limitations, benefits of doing so, and more.
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