Bobby Accessibility Report

URL:, April 20, 1999 3:37:43 PM EDT
Bobby Version: 3.0b3, build: 002
Browser Compatibility: HTML 4.0
Click on the error messages below to find out more information.

Accessibility Errors

This page has not been rated for accessibility. You must choose the "Accessibility Evaluation and Rating" option to get an accessibility rating.

The following section contains a list of 2 accessibility problems that should be fixed in order to make this page accessible to people with disabilities.
  1. Provide alternative text for all images
    Line 6: <center><img src = "/images/ETD-db/logobar.gif"></center>
    Line 7: <center><img src = "/images/ETD-db/logofull.gif"></center>

Accessibility Recommendations

This section contains a list of accessibility recommendations that you should fix in order to improve accessibility. Accessibility recommendations do not affect the Bobby Approved rating.
  1. Use the LANG attribute to identify the language of the text

  2. Specify a logical tab order among form controls
    Line 16: <p><table><tr><td><b>Username:</b></td><td><input type="textfield" size="20" name="username"></td></tr>
    Line 17: <tr><td><b>Password:</b></td><td><input type="password" size="20" name="password"></td></tr>
    Line 18: <tr><td colspan=2 align=right><input type="submit" value="Log In">

  3. Associate labels with their form controls
    Line 17: <tr><td><b>Password:</b></td><td><input type="password" size="20" name="password"></td></tr>

Accessibility Questions

This section contains a list of accessibility questions. Bobby is unable to determine if these questions are satisfied so it is important for you to check each item carefully.
  1. If this table contains data, have you identified headers for the table rows and columns?
    Line 16: <p><table><tr><td><b>Username:</b></td><td><input type="textfield" size="20" name="username"></td></tr>

  2. Does this image convey important information beyond what is in its alternative text description?
    Line 6: <center><img src = "/images/ETD-db/logobar.gif"></center>
    Line 7: <center><img src = "/images/ETD-db/logofull.gif"></center>

Accessibility Tips

This section contains a list of accessibility tips that you should review. Please note that there are some aspects of page design that are important to accessibility but can not be tested automatically by Bobby. Some of these may appear below in the accessibility tips section.
  1. Group related controls and label each group

  2. Make sure that text, image, and background colors contrast well and that color is not used as the sole means of conveying important information

  3. Make sure that headings are nested properly

  4. Furnish keyboard shortcuts for form elements

  5. If you can't figure out any other way to make a page accessible, construct an alternate version of the page which is accessible

  6. Provide summaries for tables of data

  7. Avoid ASCII art. Replace it with an image and alternative text

  8. Considered adding keyboard shortcuts to important links

  9. Use the ABBR and ACRONYM elements to denote abbreviations and acronyms

  10. Make sure that document structure is supported by the proper use of structural elements

  11. Style sheets should be used to control layout and presentation wherever possible

Browser Compatibility Errors.

The following section contains 1 browser compatibility error. Browser compatibility errors help to determine when HTML tags and their attributes are not compatible with certain web browsers or HTML specifications. Problems here do not mean that this page is necessarily inaccessible. Browser compatibility errors do not affect the accessibility rating of a page.
  1. Required attribute ALT is missing from tag IMG for browser(s): HTML 4.0
    Line 6: <center><img src = "/images/ETD-db/logobar.gif"></center>
    Line 7: <center><img src = "/images/ETD-db/logofull.gif"></center>

Download Time

The following three column table gives download time statistics for the images, applets, and objects on this page. The first column contains the URL of each item, the second column the item size in kilobytes, and the third column the approximate download time for each item when using a 28,800 baud modem. At the end of the report, an arbitrary delay of 0.5 seconds is added for each file to account for slow-downs caused by HTTP connection times.

Time (seconds) 1.36 K 0.38
/images/ETD-db/logobar.gif 2.75 K 0.76
/images/ETD-db/logofull.gif 3.32 K 0.92
7.43 K
HTTP Request Delays

Total + Delays