stock-info | fetches current stock information from the Yahoo Finance API | Business library

The webpage you chose has some dynamic elements, meaning rapidly changing elements such as the stock number. In this case, the page you pulled first displays the more static elements such as the product name and price, then does supplementary requests to different API urls for the data on stock (since it changes frequently). After the browser requests the supplemental data it injects it into the original HTML page, which is why the frame of the name and product are there but not the stock. In simple terms, the webpage is "still loading" as you do the request to grab it, and there is hundreds of other requests for images, files, and data that must also be done to get the rest of the data for the full image that your browser and eyes would regularly see.

Fortunately, we only need one more request, which grabs the stock data.

To fix this, we are going to do an additional request to the URL for the stock information. I am unsure how much you know about reverse engineering but I'll touch on it lightly. I did some reverse engineering and found it is to https://www.johnlewis.com/fashion-ui/api/stock/v2 in the form of a post with the json parameters {"skus":["240280782"]} (the skus being a list of products). The SKU is available in the webpage, so the full code to get the stock is as follows: