Sometimes Excel document contains information at the beginning of the worksheet and after that, it contains some count of empty (blank) rows. In case, if the number of empty rows is considerably huge, the rendering time increases and hence, it affects the performance.
To skip rendering of empty rows GroupDocs.Viewer Cloud provides RenderEmptyRows property of SpreadsheetOptions class, which allow omitting to render empty rows as shown in the sample below....xlsx' }, 'ViewFormat': 'HTML', 'RenderOptions': { 'SpreadsheetOptions':..._xlsx/with_empty_row_page_1.html" , "downloadUrl" : "https://api...