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align=\"center\"\u003e\n    \u003cbr\u003e\n    \u003cimg width=140 height=135 src=\"https://raw.githubusercontent.com/msn0/teti/master/teti-by-kasia.png\" alt=\"teti\" /\u003e\n    \u003cbr\u003e\n    \u003cbr\u003e\n\t\u003cimg width=600 src=\"https://raw.githubusercontent.com/msn0/teti/master/screencast-teti4.gif\" alt=\"teti screencast\" /\u003e\n\t\u003cbr\u003e\n\u003c/h1\u003e\n\n\u003e CLI for testing DOM timings built upon [Headless Chrome](https://developers.google.com/web/updates/2017/04/headless-chrome) \u0026 [Lighthouse](https://github.com/GoogleChrome/lighthouse) 💜\n\n[![Build Status](https://travis-ci.org/msn0/teti.svg?branch=master)](http://travis-ci.org/msn0/teti)\n\n## Installation\n\n```\nnpm i -g teti\n```\n\n## Usage\n\n```\n$ teti --help\n\nUsage\n  $ teti \u003curl\u003e\n\nOptions\n  -n          number of tests to run (10 is default)\n  --custom    custom User Timing (performance.mark) to be measured\n  --verbose   output all data\n```\n\n## Examples\n\n```\n➜ teti google.com\n\nResults for http://google.com based on 10 requests:\n\n        Timing  median  mean   p95    σ²   MAD\n    domLoading     0.2   0.2  0.22  0.18  0.01\ndomInteractive    0.29  0.29  0.32  0.36  0.02\n   domComplete    0.67  0.68  0.83  3.34  0.03\n   first-paint    0.35  0.35   0.4  0.44  0.01\n```\n\n```\n➜ teti https://www.theguardian.com/football -n 30 --custom \"commercial boot\"\n\nResults for https://www.theguardian.com/football based on 30 requests:\n\n         Timing  median  mean   p95      σ²   MAD\n     domLoading    0.16  0.16  0.17    0.03     0\n domInteractive    0.68  0.67   0.8    7.73  0.07\n    domComplete    3.42  3.58  4.94  284.16   0.3\n    first-paint    0.34  0.34  0.38    0.58  0.01\ncommercial boot    0.87  0.84  1.06   17.73   0.1\n```\n\n## Metrics \u0026 Timings\n\nBy default teti collects the following timings:\n\n* [domLoading](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceTiming/domLoading)\n* [domInteractive](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceTiming/domInteractive)\n* [domComplete](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceTiming/domComplete)\n* [first-paint](https://github.com/WICG/paint-timing)\n\nBased on collected data, the following statistical metrics are calculated:\n\n* [median](https://en.wikipedia.org/wiki/Median)\n* [mean](https://en.wikipedia.org/wiki/Mean)\n* p95 - 95th [percentile](https://en.wikipedia.org/wiki/Percentile)\n* σ² - [variance](https://en.wikipedia.org/wiki/Variance)\n* MAD - [median absolute deviation](https://en.wikipedia.org/wiki/Median_absolute_deviation)\n\n## License\n\nMIT \u0026copy; [Michał Jezierski](https://github.com/msn0)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmsn0%2Fteti","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmsn0%2Fteti","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmsn0%2Fteti/lists"}