This disclosure describes surfacing metadata within link bubbles in documents to enable reduction in user context switching and improve reading efficiency. Per techniques of this disclosure, when a user links to another file or external link from within a document, a link bubble is provided that includes metadata such as the title of the linked document or folder. The link bubble includes a thumbnail image and preview text and provides the user a quick preview of the linked document. Forward caching is utilized to improve response time for retrieval of the linked document. Cached link metadata information can be displayed in the link bubble when a request for the metadata information is made within a threshold time of a previous request for link metadata information. This reduces latency on duplicate requests and faster response and avoids link metadata staleness.
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Oweis, Zeina; Silversmith, Zachary; Kessler, Max; Kaplan, Blake; Hariri, Behnoosh; and Motika, Andrew, "Low Latency Previews for Links Embedded in Documents", Technical Disclosure Commons, (April 13, 2020)