Technology
WebbIE uses the Microsoft WebBrowser ActiveX control to fetch and parse web pages into the W3C DOM and MSHTML DOM. It then iterates through the DOM creating a text re-presentation. The implications of this include:
- There is a delay between the WebBrowser control rendering the web page for sighted people and presenting the DOM to WebbIE to process. WebbIE can only access the DOM when all images and other embedded content have been rendered, which for some slow or media-heavy sites can take time.
- The text re-presentation is divorced from the underlying DOM, so realtime updates to the DOM (e.g. Ajax writes) may fail to be re-presented.
Read more about this topic: Webb IE
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