web site usability - university of nevada, renodascalus/st2011_01.pdf · 2011-09-29 · conclusions...

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Web Site Usability using AccessColor Color Contrast Checker (http://www.accesskeys.org/tools/color- contrast.html)

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Page 1: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Web SiteUsability

using AccessColor Color Contrast Checker

(http://www.accesskeys.org/tools/color-contrast.html)

Page 2: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Color Contrast

Test 4 Sites India Environment PortalClimate Change Scenarios GIS Portal Georgia Coastal Ecosystems NOAA Climate Data Center Discuss Results

Page 3: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

India Environmental Portal

Page 4: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

India Environmental Portal

Both color difference and color brightness do not meet the recommended standard for 1% of the total text. (invisible text)

Page 5: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Climate Change Scenarios GIS Portal

Page 6: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Climate Change Scenarios GIS Portal

Both color difference and color brightness do not meet the recommended standard for 36% of the total text.

Page 7: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Climate Change Scenarios GIS Portal

Both color difference and color brightness do not meet the recommended standard for 36% of the total text.

Page 8: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Georgia Coastal Ecosystems

Page 9: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Georgia Coastal Ecosystems

0 Errors

Page 10: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

NOAA Climate Data Center

Page 11: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

NOAA Climate Data Center

Both color difference and color brightness do not meet the recommended standard for 73.77% of the total text.

Page 12: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

NOAA Climate Data Center

74% Error Rate

Page 13: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Conclusions

Automated Usability Checks can help eliminate usability problems.

Page 14: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Conclusions

Automated Usability Checks can help eliminate usability problems.

Automated Tools can give misleading values if you don't analyze what those values actually mean.

Page 15: Web Site Usability - University of Nevada, Renodascalus/ST2011_01.pdf · 2011-09-29 · Conclusions Automated Usability Checks can help eliminate usability problems. Automated Tools

Conclusions

Automated Usability Checks can help eliminate usability problems.

Automated Tools can give misleading values if you don't analyze what those values actually mean.

Good for validation, may mislead for fine comparisons.