Patent Document ID: 8924850
Application ID: 14086041

Base Claim:
1. A method performed by data processing apparatus, the method comprising: requesting, by a client device and over a network, a resource of a document from a first source; before receiving the requested resource, requesting, by the client device and over the network, metadata for the document from a second source that is different from the first source; receiving, by the client device, the requested metadata for the document from the second source, wherein the received metadata comprises data indicating characteristics of layout or formatting of the document; receiving, by the client device, the requested resource of the document from the first source; providing, for display and by the client device, a first representation of the document based on the received metadata from the second source; and after providing, for display, the first representation of the document based on the metadata from the second source: generating, by the client device, a second representation that combines portions of the first representation with additional portions of the document; and providing, for display and by the client device, the second representation that combines portions of the first representation with the additional portions of the document.

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Claim 6:
6. The method of claim 1 , wherein receiving the requested metadata for the document from the second source comprises receiving metadata that includes style data from a cascading style sheet resource, wherein the style data includes data in the cascading style sheet resource for one or more styles that are used in the document, and the style data excludes data in the cascading style sheet resource for one or more styles that are not used in the document.