Scenario: A Citrix Engineer notices that a web page takes a long time to display. Upon further investigation, the engineer determines that the requested page consists of a table of high-resolution pictures which are being displayed in table cells measuring 320 by 180 pixels. Which Front End Optimization technique can the engineer enable on the Citrix ADC to improve time- to-display?

The Front End Optimization (FEO) feature "Shrink to Attributes" is specifically designed for this scenario. It instructs the Citrix ADC to resize an image on-the-fly to the dimensions specified in the tag's height and width attributes before sending it to the client's browser. This significantly reduces the image file size and download time, as the browser receives an image that is already appropriately sized for display, rather than downloading a large, high-resolution image and scaling it down locally.

B. Make Inline is used to embed small resources into the HTML to reduce HTTP requests, which is not the primary issue with large, high-resolution images.
C. Extend Page Cache improves load times for repeat visits by caching content in the browser, but it does not address the initial slow download of oversized images.
D. Minify reduces the size of text-based files like HTML, CSS, and JavaScript by removing unnecessary characters; it does not affect image files.

- Citrix Product Documentation. (2023). "Front-End Optimization". Citrix ADC 13.1. The section on "Image Optimization" describes the "Resize Images to Attributes" (also known as Shrink to Attributes) feature, stating it resizes images to the height and width specified in the HTML, reducing payload size.