hi this is my first blog post! i suck at writing anything down anything so hopefully talking about random things helps.
this all started when i wanted to display my favorite songs on my /about page, i already have a spotify playlist of them so i could just use the official embed. the problem is that the embed loads 1.96 mb of minified javascript.
…and also makes tons of strange requests back to spotify, is extremely loud (with no volume slider!), and preloads some songs. on my old site i just gave in and used the official embed, but after seeing that scraping spotify embeds was possible (thanks l-m!), i tried making my own.
all of that javascript is even more insane considering this was meant to be used on other sites, you’d think the multi-billion $ company would care about performance for a simple embed. but it’s no secret that a lot of the web is getting megabytes of javascript larger, from complex frameworks and overkill libraries just to render mostly static sites. tonsky already has a great article on this.
here they are!
extremely good songs
open in spotifyGod (with current joys & never goodbye)
matt proxy, Current Joys, never goodbye
1
STARS
matt proxy
2
Burn It
ok, fakemink
3
Trajectory
lapix, Mylta, RANASOL
4
fish in the pool
yeule
5
E7len's Knife
icesawder
6
Music Baby (leroy Remix)
Jane Remover
7
Dyad
Jamie Paige, unit.0
8
Machine Love
Jamie Paige
9
Flashout Freestyle
slayr
10
My Darling, My Companion
Jamie Paige
11
NOGWAPNOLIFE
bleood
12
BIRDBRAIN
Jamie Paige, OK Glass
13
In the dark
venturing
14
Set In Stone
slayr
15
Love Blur
slayr
16
Music Baby
Jane Remover
17
media offline
ariiol
18
SISTERHOOD (LOVE, HER.)
Lucy Bedroque
19
The End
Danny Brown, ta Ukrainka, Zheani, Cynthoni
20
Music and Me
fakemink
21
MIRINAE
TAK, Zekk
22
Rain Capsule
Namitape
23
Overfeel
Namitape
24
All At Once
Ninajirachi
25
Infohazard
Ninajirachi
26
Delete
Ninajirachi
27
weathergirl
FLAVOR FOLEY
28
Lawsyn
ayowitty
29
THUNDRRR
Quadeca
30
THAT'S WHY
Quadeca
31
WAGING WAR
Quadeca, Olēka
32
NO QUESTIONS ASKED
Quadeca
33
Always Have Always Will
Jane Remover
34
SLAM PUNK
Che
35
Akibare
Mylta
36
My life is mine alone! (feat. nenne)
Mylta, nenne
37
disarmed
kumosai, Sayako
38
spectrum
icesawder
39
NOWNEVER
Jaron Steele
40
Pretty Peach
Lucy Bedroque
41
How to Pretend
Lucy Bedroque
42
Knot Me
Lucy Bedroque
43
Sweet Pitcher
Lucy Bedroque
44
Thousand yard stare
kmoe
45
angels in camo
Jane Remover
46
Professional Vengeance
Jane Remover
47
Dreamflasher
Jane Remover
48
Experimental Skin
Jane Remover
49
Psychoboost
Jane Remover, Danny Brown
50
Dancing with your eyes closed
Jane Remover
51
Spider
venturing
52
Believe
venturing
53
alucarda lives!
smiling broadly
54
fake blood recipe
smiling broadly
55
flower bed
defsharp
56
sheaskedwhatmylifeislike
ericdoa
57
Caught up (in circles)
Syzy
58
Pastel Express
Cynax
59
St. Chroma (feat. Daniel Caesar)
Tyler, The Creator, Daniel Caesar
60
let's go home
Jane Remover
61
can you tell?
Jane Remover
62
champ
Jane Remover
63
pretender
Jane Remover
64
kodak moment
Jane Remover
65
movies for guys
Jane Remover
66
misplace
Jane Remover
67
Catch me if you can
tn-shi
68
natural
zeroth
69
mint
Snail's House
70
Emerald Lakeside - Action
はがね, Kitsui Akira
71
back off!!!
Jane Remover, kmoe, juno
72
one more life
Murphmusic, park.
73
Clinozoisite
Ludicin
74
Duhhhhhhhhhhhhhhhhh
underscores
75
Rabbit In The Black Room
Rabbit House
76
String Theocracy - Key Ingredient ver.
Mili
77
My guy (Corporate shuffle)
underscores
78
Wizards
xaev, mopearound
79
Everything Goes On
Porter Robinson, League of Legends
80
phobie d’impulsion
glaive
81
PUSH UR T3MPRR
femtanyl
82
Amethyst Aurora
BilliumMoto
83
the now now and never
what is your name?
84
Reverse Nightmare Tower
bye2
85
pop music
Limonène
86
EXACTLY WHY I'M STILL HERE - TURQUOISEDEATH Remix
bunnyprodge, TURQUOISEDEATH
87
even when the sun is dead, will you tell them how hard i tried
glaive
88
Tojita Sekai
Camellia
89
commatose
glass beach
90
200
glass beach
91
until the dawn breaks
Deathbrain
92
dumb party
Internet Girl
93
skinz
8485
94
Algas Danses
seatrus
95
うみのゆき
seatrus
96
Palmy Flakes
seatrus
97
Cloud99 (As Above Mix)
Machine Girl
98
enchanted love
linear ring
99
Midnight Theater
Kano, Nagi Nemoto
100
there's more songs on spotify :)
the track embed was made with 0 JS, and the playlist embed was made with 1.84kb (minified) of JS, that’s 99.9061% smaller than the official embed, and i think it fits my site much better :)
ill get the playlist volume slider done one of these days… (9/14/2024: done!)
how
first, you can just make a fetch request to the normal embed url (either for a song or playlist) pretending to be a browser
const res = await fetch(
`https://open.spotify.com/embed/playlist/2m2lebj9Lg6Riwfyv7G9AD`,
{
headers: {
"User-Agent":
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:124.0) Gecko/20100101 Firefox/124.0",
Accept: "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
"Accept-Language": "en-US,en;q=0.5",
"Upgrade-Insecure-Requests": "1",
"Sec-Fetch-Dest": "iframe",
"Sec-Fetch-Mode": "navigate",
"Sec-Fetch-Site": "cross-site",
Pragma: "no-cache",
"Cache-Control": "no-cache",
},
method: "GET",
},
);
const html = await res.text();
and in the html response you get back, at the end there’s a magical script tag with the id __NEXT_DATA__ that contains everything you need!

const json = html.substring(
html.lastIndexOf(`type="application/json">`) +
`type="application/json">`.length,
html.lastIndexOf(`</script>`),
);
const data: PlaylistEmbedData = JSON.parse(json);
you can make whatever with this data now! i’d highly recommend caching it. you can cache song embed data much more aggressively than playlists cause those shouldn’t change.
it’s possible to make your embeds use 0 JS by using the native <audio /> element, which is what i do for singular song embeds. there’s a pretty big problem when using <audio /> for each song in a playlist embed though, it might take safari 8 seconds to load your site sometimes (not an exaggeration).
yes i did pinpoint the loading times to the hundred <audio /> elements, safari really doesn’t like that rendering that many…
note that you can barely style <audio /> elements and the element looks very different across each browser. because of all that i used a bit of JS with web components for my playlist embed, which gets server side rendered with astro.