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Technical matters

Browsers and settings

Will OED Online work with my browser?

 Most modern browsers running in Windows, Mac OS X, or Linux should perform well with OED Online, including:

  • Firefox version 4 and above
  • Safari version 5 and above
  • Internet Explorer version 9 and above
  • Google Chrome version 10 and above.

What settings should I have on my browser?

Generally, OED Online will perform best with your browser's default settings.

To log into OED Online, your browser must be set to accept cookies. See Logging in for more details on logging in.

To use many of its features you must have JavaScript turned on.

Text size

The site works best with your browser's default text size setting of medium, or with a one step increase or decrease. It will also work reliably at larger text sizes.

At the very largest text sizes, some features in the navigation area at the top of the screen and in the grey navigation bar may have become so large that they are partially hidden behind each other. All these features will continue to work, as long as they are at least partially visible.

Screen resolution

OED Online is best viewed with a minimum screen resolution of 1024x768, although it will also work at higher and lower resolutions.


Wherever possible, OED Online meets Conformance level A (Priority 2) of the World Wide Web Consortium's Web Accessibility Initiative (WAI). We have tried to avoid the use of non-W3C formats, and have run Bobby validation for Priority 2 accessibility. Where we have not been able to make a particular feature more accessible, we have tried to ensure that it degrades gracefully.

Please contact us if you believe barriers remain.

Navigation using your keyboard

You can move around each screen by using your TAB key to move from each area of the page to the next, and then each link, button, or entry field on the page to the next. Shift + TAB moves in the opposite direction. Drop-down menus unfold when you use the up and down arrows, and the return key acts as a mouse click: it will activate buttons and follow links.

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Technical matters