What are the arguments for and against blocks vs horizontal scrolling on a ecommerce page?
Below are two examples, one from amazon and one from bestbuy
Based on your screenshot, it looks like your curious about mobile so the following will refer to mobile only interactions.
Great for showing off chunks of content users can quickly browse through. I would use this approach for search results, category pages, etc.
Most users browse this way. Once we open a site or an app, we immediately begin scrolling down until we find something we are looking for or if something catches our attention. This is the most common pattern across eCom sites—web and native.
Note: Not a great pattern for long collections, unless you implement pagination or lazy loading. If i use this on a homepage, i'll be sure to chunk the information similar to your amazon example above.
Great for compartmentalizing content. I would use this approach if my site has lots of categories.
When looking at the IA of a site, most sites implement horizontal scrolling to save vertical screen space and group content together at the cost of some content being hidden from the user until they interact. This helps frees up vertical space so you can add secondary information, e.g. products descriptions. I don’t see this pattern too often in the wild on the web for eCom site homepages.
At the end of the day, It really depends on the user, the type of content, and device users are on. It’s not that black and white. Some patterns are good for some use cases over others. Take a look at what competitors in your space are doing as this will be the user's mental model.
Hopefully this shed some light onto the subject and gives you just enough info to do some research on your own, cheers!
Do you plan on having a search and/or filters? Would you show search results horizontally? If you're not doing it on search results; might as well just keep consistency and not use horizontal scrolls.
The horizontal scroll is not about listing products horizontally; it's about listing categories vertically with horizontal examples. Even in that case, I'd still lean towards amazon's approach: just show 4 cards with the featured products in that category not only to advertise them, but to communicate more clearly what that category contains. It shows everything in one go and allows a more fast-paced navigation.
I would make a note on the "See more >" button. It's not something I would personally use on mobile for e-commerce. If at all possible, change the line to something a tad more provocative. "See more" is perfectly fine, clear and precise; don't get me wrong, but I'd argue it's a "low energy" call; so maybe something like "get TVs", "shop for electronics", etc. Also, the button itself could be more "finger-attractive"; meaning something that you actually would want to touch and press for due too its shape, size and/or colour.