The ICSI Netalyzr
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Netalyzr's test summary

Here is some advice to help you make the most of Netalyzr's summary page. For background information on the tests, please visit the Netalyzr help site over at the New Scientist, which we formulated together in order to provide context for less technical users.

Results are grouped in test categories. The summary is structured into separate sections that correspond to broad categories of tests, such as address-based ones or service reachabilities. Within each category, individual tests are presented in a sequence of rows, each summarizing a test result verbally. Any noteworthy events are summarized in an initial section at the top of the page.

Colors show result severity. To convey test outcomes visually, each test result shows a color bar on its left that indicates whether the test was successful (green), moderately concerning (yellow), or identified an anomaly you should clearly know about (red).

Click "?" for test explanations. To help you better understand Netalyzr's tests, you can click on the small question marks shown in each test's summary to bring up a separate window that explains the test in more depth. We strive to balance basic concepts and technical detail to be helpful for all audiences.

Click "+", "", and "–" to expand/collapse content. Symbols at the top of the summary, next to the title of each test category, and next to each individual test allow you to adjust the amount of information displayed. Clicking "+" expands the content, "" expands only noteworthy content (shown in yellow or red), and "–" collapses the content. Non-applicable choices (e.g., "+" for results already shown) are grayed out. Test results rendered in yellow or red are expanded by default when the landing page is shown. When collapsed, test summaries show a color bar combining green, yellow, and red in proportion to the test's results.

Leave some feedback. We encourage you to leave feedback on your session using the form at the bottom of the summary. It allows you to provide comments on the session and indicate aspects we cannot monitor immediately, such as whether you are connected wirelessly to the network. All fields in the form are optional, so anonymous feedback is welcome too.