Warning
Since Ebay uses server side rendering, changes made to the HTML structure can break price extraction.
Warning
Data extraction is currently broken.
A Firefox extension to gather market insights for eBay auctions with minimal amount of effort and high flexibility. The user collects auction listings from different eBay pages (via a button in the extension's popup) and is able to see statistics describing the collected listings: pricing, pricing over time and the relationship between user rating and pricing. By selecting only running auction listings,realtime data can be analyzed. By selecting only finished auction listings, historic data can be analyzed. For more details, see section Features.
Results for the search term Glühbirnen.
Currently, you have to install this extension as a temporary debug extension. That means:
- download this repository
- go to
Manage Extensions - settings wheel
- debug addon
- load temporary addon
- select the
manifset.jsonfrom this repository. Then it should be installed.
- visit www.ebay.de
- perform a search
- open extension popup
- press the
add listingsbutton - go back to 2 for adding more listings or take a look at the charts
I recommend the usage of the advanced search. It allows to increase the number of listings per page up to 240.
Additionally, you could choose to display only sold listings and exclude terms linked to other articles.
Sorting by finish time could be useful too.
Non auction listings, like sell offers, ads or commercial offeres, are ignored. We assume, that auction prices lead to the most valuable insights.
Listing content varies between different listings and languages.
This makes price extraction for different languages espacially difficult.
Therefore, only german is supported.
The most common date and price formats, we could find, are supported.
Listings with unexpected formats are ignored.
We noted, that some users indeed had a negative amount of ratings and those listings are ignored since they would affect the rating vs price diagram.