Display eBay search and item pages side by side in Firefox

Martin Brinkmann
May 26, 2014
Updated • Mar 26, 2019

I was a regular on eBay when the site started to become popular. Back then, it was like a virtual flea market with bargains to be made left and right.

Today it is mostly controlled by businesses and while you will still find auctions by regular people on the site, it is much harder to find bargains now.

The main reason for that in my opinion is that businesses throw their stuff on the market in great numbers which makes it difficult to find "real" auctions on the site. Another reason is that eBay attracts a large number of buyers as well making it harder to get little to no action on auctions.

Whenever I browse eBay, I tend to use two browser windows for that. One to display search results or categories, the other to display the item pages.

Using only one browser tab to navigate both takes a lot of time and while eBay's result pages list some information such as price, title and a picture, it fails to display others such as the item's description or seller information.

eBay Fusion

ebay fusion

The Firefox add-on eBay Fusion offers another option which may improve how you use the marketplace significantly. It has been designed by the same author who created Craigslist Fusion, a similar extension for Firefox.

Once you have installed the add-on in Firefox and restarted the browser, you will notice that some eBay tabs will get cut in half automatically in the browser.

This is true for all category and search listings on the site. The left half displays the listing, while the right the currently selected item on that listing.

This means that you get all information about an item as its product page on eBay is displayed right away which in turn means that you do not have to switch between listings and item pages anymore.

This works best if you work on a large computer screen as two web pages need to be displayed next to each other. While there are no size restrictions, you will notice that you need to scroll a lot if the window size is too small.

The extension displays a small Fusion Toolbar as an overlay on the page which you can use to change its behavior. Here you can modify the size distribution which is set to 50/50 by default, toggle filters on the listing page, or add pages to your favorites to open them again at a later point in time.

The favorite system is internal and not linked in any way to Firefox's bookmarking system. The extension will not only remember the pages displayed but also the layout of the page based on changes that you may have made.

The preferences provide you with options to change other display related features such as what to display on the screen or colors used for windows or posts.


Ebay Fusion works if you have enough screen space to display two websites next to each other on it. The extension does not seem to be compatible with NoScript, as selected article pages were not displayed if it was running in the background. Other than that it seems to work as advertised.

Vivaldi users may use built-in functionality to do the same. The browser supports tab stacking and tab tiling features to display multiple sites next to each other in a single tab.

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  1. ilev said on August 4, 2012 at 7:53 pm

    Doesn’t Windows 8 know that www. or http:// are passe ?

    1. Martin Brinkmann said on August 4, 2012 at 7:57 pm

      Well it is a bit difficulty to distinguish between name.com domains and files for instance.

    2. Leonidas Burton said on September 4, 2023 at 4:51 am

      I know a service made by google that is similar to Google bookmarks.

  2. VioletMoon said on August 16, 2023 at 5:26 pm

    @Ashwin–Thankful you delighted my comment; who knows how many “gamers” would have disagreed!

  3. Karl said on August 17, 2023 at 10:36 pm


    The comments section under this very article (3 comments) is identical to the comments section found under the following article:

    Not sure what the issue is, but have seen this issue under some other articles recently but did not report it back then.

  4. Anonymous said on August 25, 2023 at 11:44 am

    Omg a badge!!!
    Some tangible reward lmao.

    It sucks that redditors are going to love the fuck out of it too.

  5. Scroogled said on August 25, 2023 at 10:57 pm

    With the cloud, there is no such thing as unlimited storage or privacy. Stop relying on these tech scums. Purchase your own hardware and develop your own solutions.

    1. lollmaoeven said on August 27, 2023 at 6:24 am

      This is a certified reddit cringe moment. Hilarious how the article’s author tries to dress it up like it’s anything more than a png for doing the reddit corporation’s moderation work for free (or for bribes from companies and political groups)

  6. El Duderino said on August 25, 2023 at 11:14 pm

    Almost al unlmited services have a real limit.

    And this comment is written on the dropbox article from August 25, 2023.

  7. John G. said on August 26, 2023 at 1:29 am

    First comment > @ilev said on August 4, 2012 at 7:53 pm

    For the God’s sake, fix the comments soon please! :[

  8. Kalmly said on August 26, 2023 at 4:42 pm

    Yes. Please. Fix the comments.

  9. Kim Schmidt said on September 3, 2023 at 3:42 pm

    With Google Chrome, it’s only been 1,500 for some time now.

    Anyone who wants to force me in such a way into buying something that I can get elsewhere for free will certainly never see a single dime from my side. I don’t even know how stupid their marketing department is to impose these limits on users instead of offering a valuable product to the paying faction. But they don’t. Even if you pay, you get something that is also available for free elsewhere.

    The algorithm has also become less and less savvy in terms of e.g. English/German translations. It used to be that the bot could sort of sense what you were trying to say and put it into different colloquialisms, which was even fun because it was like, “I know what you’re trying to say here, how about…” Now it’s in parts too stupid to translate the simplest sentences correctly, and the suggestions it makes are at times as moronic as those made by Google Translations.

    If this is a deep-learning AI that learns from users’ translations and the phrases they choose most often – which, by the way, is a valuable, moneys worthwhile contribution of every free user to this project: They invest their time and texts, thereby providing the necessary data for the AI to do the thing as nicely as they brag about it in the first place – alas, the more unprofessional users discovered the translator, the worse the language of this deep-learning bot has become, the greater the aggregate of linguistically illiterate users has become, and the worse the language of this deep-learning bot has become, as it now learns the drivel of every Tom, Dick and Harry out there, which is why I now get their Mickey Mouse language as suggestions: the inane language of people who can barely spell the alphabet, it seems.

    And as a thank you for our time and effort in helping them and their AI learn, they’ve lowered the limit from what was once 5,000 to now 1,500…? A big “fuck off” from here for that! Not a brass farthing from me for this attitude and behaviour, not in a hundred years.

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