There are many browser plug-ins that can realize the price trend chart: open the detail page of a product, and you can see the recent price changes of this product.
However, if the seller wants to monitor a large number of products, it will take a lot of time to open the web pages one by one every day to see the price trend chart.
See the price changes for all items at once as shown below:
It can be seen that among these 9 products, there are 2 products that have recently dropped in price.
Here is just a demonstration of randomly selected 9 products; in actual use, there is no limit to this number.
principle:
Use the collection tool to automatically collect a data of all competing products. This process is fully automatic and unlimited, saving you the trouble of opening the detail pages one by one.
Start the automatic collection of competitor data every day. From this data, price changes can be quickly extracted when needed.
The following is the specific implementation method:
Step 1: Prepare a list of competing URLs
This URL is the normal Taobao, Tmall product details page URL, the number is not limited, one per line. Just put the website of competing products that you usually check every day and use it here.
Step 2: Collect the information of these commodities regularly every day.
If you don't know how to collect, you can refer to the collection rules used in the demonstration here, and the network disk will mention it:
https://pan.baidu.com/s/1miP1ZPu
Follow the instructions to import the rules, just set the URL as shown below:
Step 3: Export the collected data to an excel table file, and then import it into the intelligent analysis module. There is "Intelligent Analysis" in the lower right corner:
Follow the prompts to select the excel sheet file you just exported
Step 4: Repeat the above steps to accumulate several days of data. Then you can draw:
First create a merge analysis:
In the "Smart Visualization" panel, click "Create Chart" in the upper right corner, and we need to choose the chart we need to generate the data ourselves:
To make the following color separation histogram:
As can be seen from the figure, the X-axis represents the product id (field 1), the Y-axis corresponds to the selling price (field 2), and the column of each color represents the price of a certain day (field 3)
Go to the Create Chart page, click the plus sign in the left column, and add a field:
· [Field 1] Product ID: Category
· [Field 2] Selling price: size
Select the right column "Chart Type" - Column Chart, as follows:
· [Field 3] Acquisition Time: Color
Color separation of charts by acquisition date:
In the figure, sorting by "collection time" is also set, so that each column is arranged in sequence according to the collection time.
In this way, a visualization of the price changes of all competing products is completed. Get it done in a minute.
Collect a competitive product information every day, and you can use the analysis tool to check their recent price changes at any time. In addition to price, you can also use the same method to analyze multiple dimensions such as sales, collections, and reviews.
Hope this article is helpful to you all.