1. Open the PDF in Acrobat. From the hamburger menu 
, select Document Properties. Look in the lower-right area of the Description panel of the dialog box for the Fast Web View setting (yes or no).
Optimizing PDFs Part 3
Enable Fast Web View in a PDF
Fast Web View restructures a PDF document for page-at-a-time downloading (byte-serving) from web servers. With Fast Web View, the web server sends only the requested page, rather than the entire PDF. This option is especially important with large documents that can take a long time to download from a server.
Check with your webmaster to ensure the web server software supports page-at-a-time downloading. To ensure that the PDF documents on your website appear in older browsers, create HTML links (versus ASP scripts or the POST method) to the documents. Also, use shorter path names (256 characters or fewer).
Verify that an existing PDF is enabled for Fast Web View
Verify the Fast Web View Preferences setting
Follow this procedure to make sure that you have Acrobat set up to enable Fast Web View during the PDF creation process.
1. In the Preferences dialog box under Categories, select Documents.
2. On the right side of the dialog box, under Save Settings, make sure that Save As Optimizes For Fast Web View is selected, and select OK.
Enable Fast Web View for an existing PDF
Use this procedure after you've verified your Fast Web View Preferences setting and checked the PDF properties to ensure the file isn't already enabled for Fast Web View.
1. Open the PDF. From the hamburger menu
(Windows) or the File menu (macOS), choose Save As. Select the same filename and location.2. When a message appears asking if you want to overwrite the existing file, select OK.
Note
In Acrobat Pro, you can also quickly enable Fast Web View in entire folders of Adobe PDF files by using the Prepare for Web Publishing action. See Run an action.
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