Javascript loaders
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Contact & info : http://eric.daspet.name/ , @edasfr or @webperf_fr
Authors of js loaders and webperf experts are more than welcome to request write access to the grid. Please ask, we are waiting for you.
LABjsHeadJSControlJSRequireJSLoad.jsYepNope.js$script.jsLazyLoadcurl.jsJsDefer (w/o Jquery)jquery.defer.jsBootstrapPINF JS LoaderBravoJSNBL.jsJSLoadjQlJSLStealJSbdLoadYUI 3 GetDominateJSrequire-kisssmoothie
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Features (please read the "Warnings" worksheet)http://labjs.com/http://headjs.com/http://stevesouders.com/controljs/http://requirejs.org/https://github.com/chriso/load.jshttp://yepnopejs.com/http://www.dustindiaz.com/scriptjs/https://github.com/rgrove/lazyload/https://github.com/unscriptable/curlhttps://github.com/BorisMoore/JsDeferhttps://github.com/BorisMoore/JsDeferhttps://bitbucket.org/scott_koon/bootstrap/src/a94d219da3e9/READMEhttps://github.com/pinf/loader-jshttp://code.google.com/p/bravojs/http://berklee.github.com/nbl/http://code.google.com/p/jsload/https://github.com/Cerdic/jQlhttp://www.andresvidal.com/jslhttp://jupiterjs.com/news/stealjs-script-managerhttp://bdframework.org/bdLoad/http://developer.yahoo.com/yui/3/get/http://github.com/cdata/dominatejsDeadhttps://github.com/letorbi/smoothie
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This comparaison is not maintained and was initiated by the crowd. Most of this data may be wrong or outdated. Please use it as a start for your research, not as an end.labjsheadjs
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Author(s)Kyle SimpsonTero PiirainenSteve SoudersJames BurkeChris O'HaraAlex Sexton & Ralph HolzmannDustin DiazRyan GroveJohn Hann @unscriptableBoris MooreBoris MooreScott KoonChristoph DornWes GarlandBerkleeEric NguyenCédric MorinAndres VidalBrian MoschelRawld GillAdam Moore/YUI TeamChris Joel & Jason BenterouAJ ONeal @coolaj86Torben Haase
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Size minified4.7 KB6.3 KB3.6 KB
(w. closure adv.)
13 KB
(+1 KB order plugin)
2 KB3.4 KB1.4 KB1.6 KB4.5KB to 6.4KB4.7 KB2.6 KB1.3 KB22 KB10.7 KB971 B9.8 KB1.5 KB2.1 KB11.4 KB17.9 KB (incl. YUI core)48 KB1.7 KB
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Size minified and gziped2.2 KB1.9 KB1.5 KB5.3 KB
(+650B order plugin)
1 KB1.6 KB643 B904 B2.2KB to 2.9KB2.5 KB1.6 KB699 B6.2 KB3.6 KB593 B718 B855 B7.21 KB (incl. YUI core)10 KB1023 B
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LicenseMITMITApache 2.0BSD or MITMITWTFPLMITMITMITApache 2.0MITMITMITLGPLMIT and GNUBSDMITLGPL
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Load JS files without blockingYY (tested)YYYYYYYYYYYYYYYYYYN
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Load independent JS files/groups in parallelparallelY (tested)Y (tested)YYYYYYYYYYYYYYYYYYN
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Ability to execute a callback after loading a script asynchronouslycallbackY (tested)Y (tested)YYYYYYYYYYYYYYYN
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Execute independent JS files independently from the call order (chrome, safari, ie)no-orderY (tested)Y (tested)YY?N (by design)?NYYYNYYYYN
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Execute independent JS files independently from the call order (firefox, opera)no-orderN (tested)N (tested)YY?N (by design)?NYYYNYYYYN
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Avoid loading a JS file twice if the HTTP cache is missing (same domain) (chrome, safari, ie)load-twiceY (tested)N (tested)NN?NN ?YYYYYYYYYN
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Avoid loading a JS file twice if the HTTP cache is missing (cross domain) (chome, safari, ie)load-twice-xN (tested)N (tested)NN?NN ?YYYYYYYYYN
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Avoid loading a JS file twice if the HTTP cache is missing (cross domain) (firefox, opera)load-twice-xY (tested)Y (tested)NN?NN ?YYYYYYYYYN
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Able to avoid executing a JS file twice if called twicenoexe-twiceY (tested)Y (tested)Y??Y?NYYYYYYYYYY
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Able to execute a JS file twice if called twiceexe-twiceY (tested)N (by design)N??Y?YY/NNNN ?NNN ?N ?CachedN
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Allow to define dependencies (executed before the wanted script)depY (tested)Y (tested)YYYYYPartiallyYYYYYYYYYN
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Load dependencies in paralleldep-parallelY (tested)Y (tested)YYYYY ?YYYYYYYYNYN
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Load JS files outside the "same domain" policyexternalY (tested)Y (tested)YY?Y?YYYYYPlannedNYYY
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Feature detection and no user agent sniffingYNNY?Y?NYN/AN/AYYYYNY
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Future proof with async=falseYY (tested)N/APartialyNN/ANYYNNNPlannedPlannedNPlannedN
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Ability to define shortcuts or ids (not full urls) to JS files / groupsNY (tested)NY/NNYYNYYYNYYNYNN
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Ability to pre-define dependencies in the <head> or somewhere centralNYNYNNNNYYYNYYYYNY
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Compliant with the CommonJS Modules specNPlannedNY?N/AIn ProgressNYNNNYYNNNY
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Supports plugins/extensionsNNNYNYNNYNNNPlannedYNNNN
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Let use classic <script> external tags (controlJS style)NNYNNNNNNYYNNNNYY
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Patches page's document.readyState (FF<=3.5) for DOM-ready detection in dynamically loaded jQuery, etcYNNNNY?NYYYNNNNY?NN/A
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Control which and when scripts are executed (load without execute)NNYNNYNNYNNNYYNNN
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Overwrite document.writeNNYNNNNNNNNNNNNY?YN
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Aggregation detection and support (bulk download)NNNY (w. plugin)NNNNNYYNYvia PluginNNN
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Callback if script is missing (404) or in error (500)NPlannedNYYYnot sureNYYYNNNYPlannedN/A
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Fallback domain / mirror if the main URI failsNNNNY/NYNNYNNNPlannedNNPlannedN/A
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Allow for returning valuesNNNYNNNNYYYNNNNNN
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Allow passing of parameters or contextNNNYNNNNYYYYNNNNN
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Load CSSNY (tested)NY/NNYY ?YYPlannedPlannedYPlannedNYNPlannedN
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Load CSS without blockingNNNY/NNYY ?YYPlannedPlannedYPlannedNYNN
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Load CSS in parallelNY (tested)NY/NNYY ?YYPlannedPlannedYPlannedNYNN
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Ability to define priorities in loading queueNNNYNNNNY/NNNNYYYYN
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Conditional LoadingY (tested)Y
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CommonJS Package/1.1 supportNYNYNNYvia PluginNN
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CommonJS Package/Mappings/C supportNNNPlannedNNYvia PluginNNN
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CommonJS AMD supportPlannedYNYNNYNNNPlanned
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Runs in browserY (tested)YYYYYYYYYY
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Runs on serverNYNNNNYYUntestedMaybeN
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ASYNC package downloading, provisioning & linkingNNNNNNYNNNN
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Tools/ability to inline and optimize multiple scripts/modules/resourcesNYNPlannedNNYNYNN
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Command-line supportNNNNNNYNNNY
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WebWorker support (importScripts())NYNNNNYvia PluginNNN
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Deferred/Promise integration (allowing 'joins' for callbacks)PlannedNYYYN
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