Page Speed Insights measures the performance of web pages on mobile and desktop devices by fetching URLs twice with different user agents. It provides a performance score out of 100 and identifies ways to improve loading speed through optimizations like server configuration, HTML structure, and external resources. Browsershots takes screenshots of a web page on different operating systems and browsers to test compatibility. Loader.io allows free load testing of web apps and APIs with thousands of concurrent connections. Generatedata.com helps generate large volumes of custom test data in various formats for software testing and database population.

1. Online Testing Tools
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2. Front End Performance Testing

3. v Page Speed Insights measures the performance of a page for mobile devices and desktop devices.
v It fetches the URL twice, once with a mobile user-agent, and once with a desktop-user agent.
v PageSpeed Score ranges from 0 to 100 points.A higher score is better and a score of 85 or above
indicates that the page is performing well.
v PageSpeed Insights measures how the page can improve its performance on network-independent
aspects of page performance.
• The server configuration.
• The HTML structure of a page.
• Use of external resources such as images, JavaScript, and CSS.
v Each suggestion is rated with a priority indicator (Red,Yellow, Green) to indicate its importance
PageSpeed Insights

4. Sucuri SiteCheck – Free Malware Scanner

5. Browsershots - Browser Compatibility
v Browsershots.org makes screenshots of our web page in different operating systems and
browsers.
v When we submit the web address.A number of distributed computers will open our website in
their browser.Then they will make screenshots and upload them to central dedicated server for
review.

6. Load Testing - Loader.io
Loader.io is a free load testing service that allows you to stress test our web-apps/apis with thousands of
concurrent connections.

7. Generatedata.Com
v Generatedata.Com lets you quickly generate large volumes of custom data (test data)in a variety
of formats for use in testing software, populating databases, and... so on.

8. Thank you