I appreciate this initiative very much, although it's not the first one of its kind - I think you know CoinMap and other similar sites. But most of them have flaws that make them not very useful, so every new intent brings hope to me that these flaws can be fixed.
I think a very interesting challenge would be to include a mechanism to show if a company still accepts Bitcoin (or other coins). On CoinMap, there are lots businesses that accepted Bitcoin while the 2013 bubble lasted but then have ceased to do so, or simply don't exist anymore.
An idea would be to write a crawler-like program and search the included sites for "proofs" that Bitcoin is still accepted. For example, if there was a BitPay button on a web shop; the crawler could revisit it every month or so and confirm that it's still there. If not, it would be included into an "on hold" category and users could receive a warning that it's maybe not more the case, until someone proves that crypto payments are still accepted.
For sites and companies where that's not possible, the user comment/review feature could be used to determine if it still exists and accepts cryptocurrencies (e.g. you could add a button "This business doesn't exist anymore or doesn't accept Bitcoin anymore").
The other challenge is, obviously, completeness. Most "directory sites" also fail here. For example, CoinPayments claims to have 200.000+ businesses as clients but their directory is showing less than thousand. Here, an "user generated content" approach may be combined with automated updating.
Thanks for the feedback! That was part of the reason that led to this project. I noticed a lot of great resources like CoinMap, 99Bitcoin's List etc. but there didn't appear to be a directory that focused on "freshness" so I am hoping to tackle that issue. Right now, the work is all manual or reliant on user feedback, which I know is not going to be sustainable down the road, so I'll be looking to see if there might be some sort of automated process I could build to do the work.