testing tools
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ish
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'... another viewport resizing tool ... it focuses on general ranges (small-ish. medium-ish. large-ish.)'
online | Brad Frost | visit site ↗
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Responsinator
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"... quickly get an indication of how their responsive site will look on the most popular devices."
online | Tama Pugsley and Andy Hovey | visit site ↗
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Am I responsive
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"A time saving exercise by @justinavery for RWD Weekly Newsletter"
online | Justin Avery | visit site ↗
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W3C Markup Validation Service
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"Check the markup (HTML, XHTML, …) of Web documents"
online | open source (via W3C) | visit site ↗
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Nibbler
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Tool for testing websites - giving insights into key areas, including accessibility, SEO, social media and technology.
online | Silktide | visit site ↗
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Richard's Toolbox
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collection of online tools
online | Richard Oosterhof | visit site ↗
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GTmetrix
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"… gives you insight on how well your site loads and provides actionable recommendations on how to optimize it."
online | GT.net | visit site ↗
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web page test
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"... test from multiple locations around the globe using real browsers and at real consumer connection speeds."
online | open source (via Google) | visit site ↗
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Site 24x7
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"Free Network and Site Reliability Engineer Tools"
online | Zoho Corp. | visit site ↗
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MX Toolbox
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"...free, fast and accurate network diagnostic and lookup tools."
online | MXToolBox, Inc. | visit site ↗
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PageSpeed Insights
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"...analyzes the content of a web page, then generates suggestions to make that page faster."
online | Google | visit site ↗