Facebook JS SDK breakdown
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1
Size (in bytes)% total sizeFileNotesExtra notes
2
382889.56%entry.jsInitialization
initialization / polyfills / module system
3
360078.99%JSON3.jsPolyfill
4
230295.75%sdk.UIServer.jsUI-related
5
130483.26%sdk.Dialog.jsUI-related
6
112872.82%IframePlugin.jsUI-related
7
97542.43%URIBase.jsUtility
8
97142.42%sdk.XFBML.IframeWidget.jsUI-related
9
89092.22%sdk.XD.jsUtility
10
79291.98%JSSDKCssConfig.jsUI-related
11
75011.87%sdk.Auth.jsAuth
12
70731.77%ApiClient.jsNetwork
13
66241.65%sdk.XFBML.Name.jsUI-related
14
63911.60%sdk.DialogUtils.jsUI-related
15
60011.50%XDM.jsUtility
16
55021.37%sdk.XFBML.Video.jsUI-related
17
52891.32%sdk.DOM.jsUtility
18
50251.25%FB.jsInitialization
19
49601.24%sdk.Canvas.Plugin.jsUI-related
Only for "Canvas" apps
20
49001.22%sdk.XFBML.Save.jsUI-related
21
47481.19%XFBML.jsUI-related
22
47421.18%sdk.XFBML.Quote.jsUI-related
23
39921.00%sdk.XFBML.Comments.jsUI-related
24
39710.99%sdk.Data.jsNetwork
25
39060.97%ApiBatcher.jsNetwork
26
37250.93%Flash.jsUtilityFlash!
27
33990.85%UserAgent_DEPRECATED.jsUtility
Only used for old IE support!
28
33090.83%sdk.init.jsInitialization
29
32900.82%ES.jsPolyfill
Entry point for polyfills (including ES5 ones)
30
32870.82%JSSDKConfig.jsConfiguration
config file with ton of keys including options for payment-related stuff irrelevant to most sites
31
31540.79%UnicodeUtils.jsUtility
32
28860.72%PluginTags.jsUI-related
Config of XFBML tags mapped to options
33
28570.71%Type.jsUtility
34
28220.70%JSONRPC.jsNetwork
35
27960.70%sdk.api.jsNetwork
36
25930.65%legacy:fb.auth.jsLegacy
Handles deprecated ways of calling auth-related methods
37
25580.64%sdk.Frictionless.jsUI-related
38
25480.64%CORSRequest.jsNetwork
39
25370.63%sdk.Query.jsNetwork
40
25160.63%ES5StringPrototype.jsPolyfill
41
24980.62%legacy:fb.xfbml.jsLegacy
42
24980.62%sdk.ErrorHandler.jsUtility
43
24840.62%Queue.jsUtility
44
24610.61%legacy:fb.canvas.jsLegacycanvas related
45
24060.60%sdk.ui.jsUI-related
46
23500.59%insertIframe.jsUI-related
47
23200.58%sdk.UA.jsUtility
user-agent detection
48
22970.57%sdk.Content.jsUtility
49
21900.55%FlashRequest.jsNetwork/Utility
Flash for requests and/or XD
50
21340.53%sdk.Cookie.jsUtility
51
21070.53%ES5ArrayPrototype.jsPolyfill
52
21060.53%DOMEventListener.jsPolyfill(-ish)
53
20980.52%sdk.createIframe.jsUI-related
54
20270.51%sdk.Canvas.IframeHandling.jsCanvas
55
20240.51%JSONPRequest.jsNetwork
56
20200.50%ObservableMixin.jsUtility
57
19780.49%sdk.Canvas.Prefetcher.jsCanvas
58
19530.49%Base64.jsPolyfill(-ish)
59
19420.48%sdk.Helper.jsUtility
60
19330.48%Assert.jsUtility
61
19170.48%sdk.XFBML.Element.jsUI-related
62
18910.47%sdk.XFBML.LoginButton.jsUI-related
63
18720.47%sdk.Impressions.jsAnalytics
64
18590.46%sdk.Event.jsUtility
65
18180.45%sdk.MBasicInitializer.jsUtility
66
18010.45%ES6ArrayPrototype.jsPolyfill
67
16060.40%ES6Array.jsPolyfill
68
15530.39%sdk.Runtime.jsInitialization
69
14440.36%ES7ArrayPrototype.jsPolyfill
70
14220.35%ApiClientUtils.jsNetwork
71
13550.34%QueryString.jsUtility
72
13450.34%URIRFC3986.jsPolyfill(-ish)
73
13420.33%ES6Number.jsPolyfill
74
12810.32%sdk.openMessenger.jsUtility
75
12750.32%sdk.domReady.jsUtility
76
12260.31%ES6Object.jsPolyfill
77
11820.30%legacy:fb.event.jsLegacy
78
11590.29%sdk.babelHelpers.jsUtility
79
11210.28%ES5Object.jsPolyfill
80
10930.27%URISchemes.jsUtility
81
10920.27%sdk.URI.jsUtility
82
10650.27%ES7Object.jsPolyfill
83
10550.26%legacy:fb.compat.ui.jsLegacy
84
10430.26%Miny.jsUtility
85
10100.25%invariant.jsUtility
86
9830.25%sdk.Native.jsUtility
(only for inside native app?)
87
9770.24%sdk.Canvas.Tti.jsCanvas
88
9160.23%sdk.FeatureFunctor.jsUtility
89
9060.23%sdk.XFBML.CommentsCount.jsUI-related
90
8880.22%ex.jsUtility
91
8860.22%GlobalCallback.jsUtility
92
8740.22%sdk.Model.jsUtility
93
8670.22%UrlMap.jsUtility
94
8590.21%sdk.XFBML.ShareButton.jsUI-related
95
8390.21%ES6DatePrototype.jsPolyfill
96
8060.20%Log.jsUtility
97
7900.20%ES5FunctionPrototype.jsPolyfill
98
7860.20%eprintf.jsUtility
99
7710.19%sdk.Waitable.jsUtility
100
7700.19%containsNode.jsUtility
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