On-Page Image Usage Analysis Tools

29 Oct

1. Juicy Studio Image Analyzer – is a handy online tool that will look at each image on a given page and evaluate the following parameters:

  • image width / height;
  • alternative text;
  • An URL to an image long description.

2. Alt Text Checker – (by Durham University) will list alt text information next to each image found on the page

3. Page Size Extractor – will give you a quick idea of how the page images influence the page size and hence load time by giving:

  • total number of on-page images;
  • The largest image size;
  • The total image size.

4. Web Developer Firefox: Toolbar offers an array of image analyzing tools:

  • display alt attributes;
  • display image dimensions;
  • display image sizes;
  • display image paths;
  • find broken images;
  • outline images missing alt attributes;
  • hide images / background images;

5. Firefox Accessibility Extension offers a most useful feature summarizing all page images in the form of a handy table (the feature can found under “Text equivalents” => “List of images“). The table is extremely easy to use as (1) it highlights “the problematic” images and (2) it can be sorted by any of the following parameters:

  • Image alt text;
  • Image source link;
  • Image width;
  • Image height

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