Web Browsing Lite Tests

The web browsing lite test measures the time taken to fetch the HTML and referenced resources from a page of a popular website. Unlike other website performance tests, which incorporate a real headless web browser that renders the page and executes dynamic content, such as JavaScript, this test does not test against centralized testing nodes; instead it tests against real websites, allowing for content distribution networks and other performance enhancing factors to be considered.

Methodology

Each Device Agent tests against one or more popular websites on every test run. A blend of multiple sites is recommended to help smooth out content changes or performance anomalies observed from any one particular website. Alternatively, the test can be configured to test a reference web page, hosted on our servers. This has the advantage of ensuring that the content will never change, but is no longer representative of real users’ web browsing experience.

Metrics

The primary measure for this test is the total time taken to download the HTML page and all associated images, JavaScript, and stylesheet resources. The number of bytes transferred, and the calculated rate per second are also recorded. Optionally, the test can capture metrics for every single object fetched when downloading the page.

The results include the time taken for DNS resolution. The test can be optionally configured to use a DNS-over-HTTPS resolver for its DNS requests.

The test uses up to eight concurrent TCP connections to fetch resources from targets. The test pools TCP connections and utilizes persistent connections where the remote HTTP server supports them.

The test may optionally run with or without HTTP headers providing cache support. The test runs a modern version of Mozilla Firefox by default, but can be configured to run any browser.

Web Browsing Lite Test Example

The web browsing lite test can be configured to test various http websites. All tests use the DNS resolution server provided by the user's router.

Website loading times for popular websites on different networks

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