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SEO Score not affected by img without alt attribute #8393

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andreabisello opened this issue Apr 18, 2019 · 2 comments · Fixed by #8407
Closed

SEO Score not affected by img without alt attribute #8393

andreabisello opened this issue Apr 18, 2019 · 2 comments · Fixed by #8407
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@patrickhulce

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@andreabisello
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andreabisello commented Apr 18, 2019 •
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Provide the steps to reproduce

  1. Run LH on https://www.w3schools.com/code/tryit.asp?filename=G37S02M71XEE . This page contains this code
<!DOCTYPE html>
<html>
<body>

<p>
An image that is a link:
<a href="https://www.w3schools.com">
<img src="smiley.gif" width="42" height="42" border="0">
</a>
</p>

</body>
</html>
  1. Search for SEO score
  2. No warning about the missing alt attribute

What is the current behavior?

LH say nothing about img without alt tag

What is the expected behavior?

LH should warn about img without alt tag . Google in this document https://support.google.com/webmasters/answer/114016?hl=en says to use descriptive alt text

Environment Information

  • Affected Channels: DevTools
  • Lighthouse version: 4.0.0
  • Node.js version: 6.4.1
  • Operating System: updated windows 10
@patrickhulce
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Thanks @andreabisello good catch! We flag this in accessibility but not SEO.

cc @rviscomi / @AVGP for their blessing

@AVGP
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AVGP commented Apr 18, 2019 •
edited
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Yes, very good catch! From an SEO standpoint, your images should have an alt attribute. Thanks for flagging this, @andreabisello

@patrickhulce patrickhulce mentioned this issue Apr 18, 2019
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@patrickhulce patrickhulce self-assigned this Apr 18, 2019
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core(seo): add image alt to SEO category GoogleChrome/lighthouse
3 participants
@AVGP @andreabisello @patrickhulce