It depends on what you like. If you prefer the original, unfiltered ideas, the web novel might be better. It gives you a sense of the story's evolution. But if you want a more polished product with nice illustrations, the light novel is a good choice.
Well, the ideal way is to begin with Volume 1 and go through each subsequent volume. This ensures you don't miss any crucial plot developments or character growth. Some people might jump around, but for the full experience, stick to the sequence.
You should begin with Volume 1 and follow the numerical sequence. Each volume builds on the previous one, allowing you to follow the plot and character development smoothly.
I'm not sure specifically which 'Alex and Ani Christmas Story' you mean. It could be a story related to the Alex and Ani brand during Christmas. Maybe it's about special Christmas collections they launched, like how they designed Christmas - themed jewelry. For example, they might have created bracelets with Christmas symbols such as snowflakes or reindeer.
It's hard to say which is more popular in an absolute sense. The light novel has a certain level of popularity because it is more accessible to the general public. It has a physical presence, which makes it easier for people to discover. However, the web novel also has its own dedicated fan base. Some fans who are more into the original and unedited version of the story prefer the web novel. But overall, in terms of mainstream popularity, the light novel has an edge.