After that first check, you may have saved time by disabling image filtering unless you made a change to the images (or their background/foreground). If you use images to convey information or to present navigational elements, then previously you filtered images the first time you checked your web page. Image filtering takes more time than HTML or CSS filtering. These will be applied automatically to your page. We have made the following improvements to the colorblind web page filter.
If you only use one filter, use the greyscale filter which will not only point out potential problem areas, but will also let you see more clearly which areas the filter is unable to process. This tool is still in development, but feedback is welcome while we work on it. Learn more about colorblindness in this Wikipedia entry. Use the Colorblind Colorlab to select safe colors earlier in the design process.
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