RAILSTUTORIAL.ORG Ruby on Rails Tutorial | Learn Enough to Be Dangerous

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Domain Name: railstutorial.org
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railstutorial.org server information

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Desktop Speed Bad
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railstutorial.org mobile page usability

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Mobile Usability Good
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railstutorial.org Mobile Usability Test Quick Summary


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The element <button class="btn-small btn-outline">Free Sample Chapters</button> falls outside the viewport.

priority - 0Size tap targets appropriately

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The tap target <html id="publicDialog" class="publicDialogAn…i2svg-complete">Ruby on Rails…Learn Enough!</html> is close to 2 other tap targets.
The tap target <html id="publicDialog" class="publicDialogAn…i2svg-complete">Ruby on Rails…Learn Enough!</html> and 2 others are close to other tap targets.
The tap target <a href="javascript://"></a> is close to 1 other tap targets.
The tap target <a href="javascript://"></a> is close to 1 other tap targets.
The tap target <a href="javascript://">Cancel</a> and 1 others are close to other tap targets.
The tap target <a href="#watch.tutorial.intro.video" class="landing-hero_i…ovid jLinkText">Play Intro Video</a> is close to 1 other tap targets.

The tap target <a href="/book">Read Free Sample Chapters</a> is close to 1 other tap targets.
The tap target <a href="/book">Read Free Sample Chapters</a> is close to 1 other tap targets.

railstutorial.org HTML validation

Errors

Bad value “//fonts.googleapis.com/css?family=Open+Sans:400,300italic,400italic,300,700|Open+Sans+Condensed:700|Josefin+Slab:400italic” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Line: 14 Column: 1 - 169
"...lesheet'> <link href='//fonts.googleapis.com/css?family=Open+Sans:400,300italic,400italic,300,700|Open+Sans+Condensed:700|Josefin+Slab:400italic' rel='stylesheet' type='text/css'> <link..."

Bad start tag in “img” in “head”.

Line: 83 Column: 11 - 2
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=120259081996654&ev=PageView&noscript=1" /></nosc..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 83 Column: 11 - 2
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=120259081996654&ev=PageView&noscript=1" /></nosc..."

Stray end tag “noscript”.

Line: 83 Column: 3 - 13
"...ript=1" /></noscript> <!-- ..."

Stray end tag “head”.

Line: 90 Column: 1 - 7
"...</script> </head> <body..."

Start tag “body” seen but an element of the same type was already open.

Line: 91 Column: 1 - 15
"...> </head> <body class=''> <nosc..."

Cannot recover after last error. Any further errors will be ignored.

Line: 91 Column: 1 - 15
"...> </head> <body class=''> <nosc..."

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railstutorial.org TRACEROUTE

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