At LAAAAAST I can sit down and read this glorious work of art! I saw you mention an Ayu tribute here and there over the years, and was always anticipating its full reveal. So first and foremost, CONGRATS ON COMPLETING IT!!!
I'm trash for wooden textures, so I love the layout a ton. It's calm, surreal and reflects the spring season well. I think it's incredibly cool that the layout was designed back in 2008 and you decided to keep it. It speaks to your dedication and how long you've actually been working on the site. Although it opened this year, the sheer work you've put into it behind the scenes makes it seem as though it's really been around for even longer than that!
I like how you kept
Introduction brief and straight-forward, allowing her music and discography (the rest of the site, basically) to speak for itself. I mean—the way you named all the different pages of the site after her songs? THAT'S AWESOME.
My Story was so enjoyable to read and I loved reading your personal insights regarding Ayu and her music. I liked how frank you were with your opinions, noting what you liked as well as the songs that you didn't like. Also her PVs, LOOOLOLOL, OMG. I totally don't blame you for being weirded out after watching the "ourselves" PV, LMAO. There are a ton of WTF ones, but yeah, some of her PVs are damn gorgeous; one of my favorites is "About You" because those COLORS are so BEAUTIFUL. (I'm a simple person, lol.) I haven't watched many of her PVs because the J-music PV system has always aggravated me with its lack of availability. So it's great that you provided links so I can view the... least weird ones! 8D
I'm also really glad you touched upon Ayu's lyrics because they can be so beautiful, ugh. I LOVE the songs you selected ("About You," "Endless sorrow," "MOMENTS" and "NEVER EVER" particularly) to display her lyrical prowess because those songs are EXCELLENT. I also liked how you touched upon your favorite album art because she's really had some great ones over the years! And like Ayu herself, they're pretty much ICONIC by now in the J-pop scene.
Out of all the pages, I think my favorite to read was definitely "No more words." The end is always hard to think about—not to mention when it actually
happens?! (When Do As Infinity disbanded in 2005, it broke me, haha!) But you approached the subject in a really lovely and mature way. I feel like anyone can identify with this page and your feelings—just as a fan of anything, regardless of whether or not that may be for Ayu. The page—along with the rest of the site—really encompasses how much love you have for this artist, and, echoing what Robin said, is something musicians dream of reading!
So to be honest, the first section I dove into was the album reviews, HAHA. My older sister introduced me to Ayu, so I've always regarded her as the fan and myself as the casual listener. That said, my ABSOLUTE FAVORITE STUFF of hers is "I am...," "Memorial address" and "MY STORY." So naturally I read those reviews first because I LOVE READING WHY PEOPLE LOVE THE THINGS I LOVE and seeing the songs they enjoyed from the album! While looking through the reviews, I also liked reading the small snippets you had regarding what year you wrote them, etc. Again, like the other details of the site, it really speaks to how long you've been working on it and how meticulous and detailed you were with everything! And no worries about the lack of music vocabulary; it didn't bother me at all whilst reading your reviews.
(Also, LOL. I personally liked how the section is called
Memorial address because it kind of fits the image of her discography being her legacy? But yeah, I can see where the misconception might arise. XDDD)
TL;DR: What you should accept is how ABSOLUTELY FANTASTIC AND WONDERFUL YOUR DEDICATION IS, OK. In fact, let this be the site—and all your other sites, tbh—the thing you look to whenever you have feelings of inadequacy because THIS IS AWESOME. Despite Ayu being around for so long, you've really done an amazing job of compiling her work and expressing your love for it. It's clear how much effort and thought you put into everything and this site is indeed A LABOR OF LOVE. Incredible job!
I really can't tell you how much this comment means to me. I don't usually have a lot of doubt with my sites but this one has been wrecking me for years and it means a lot to know that it came across well, even to someone completely unfamiliar with her. Seriously, thank you. 
I'm really glad you liked it. 