CCBot/2.0 (https://commoncrawl.org/faq/)
Browser feature detection
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adownload |
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ambientlight |
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aping |
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apng |
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appearance |
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applicationcache |
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areaping |
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arrow |
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atob-btoa |
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atobbtoa |
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audio |
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audio-m4a |
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audio-mp3 |
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audio-ogg |
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audio-opus |
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audio-wav |
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audioautoplay |
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audioloop |
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audiopreload |
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avif |
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backdropfilter |
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backgroundblendmode |
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backgroundcliptext |
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backgroundsize |
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battery-api |
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batteryapi |
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bdi |
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beacon |
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bgpositionshorthand |
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bgpositionxy |
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bgrepeatround |
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bgrepeatspace |
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bgsizecover |
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blob-constructor |
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blobconstructor |
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bloburls |
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blobworkers |
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borderimage |
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borderradius |
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boxdecorationbreak |
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boxshadow |
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boxsizing |
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canvas |
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canvasblending |
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canvastext |
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canvaswinding |
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capture |
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checked |
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classlist |
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clipboard |
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contenteditable |
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cors |
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createelement-attrs |
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createelementattrs |
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crypto |
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cssall |
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cssanimations |
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csscalc |
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csschunit |
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csscolumns |
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csscolumns-breakafter |
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csscolumns-breakbefore |
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csscolumns-breakinside |
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csscolumns-fill |
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csscolumns-gap |
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csscolumns-rule |
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csscolumns-rulecolor |
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csscolumns-rulestyle |
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csscolumns-rulewidth |
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csscolumns-span |
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csscolumns-width |
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cssescape |
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cssexunit |
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cssfilters |
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cssgradients |
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cssgrid |
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cssgridlegacy |
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csshyphens |
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cssinvalid |
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cssmask |
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csspointerevents |
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csspositionsticky |
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csspseudoanimations |
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csspseudotransitions |
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cssreflections |
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cssremunit |
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cssresize |
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csstransforms |
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csstransforms3d |
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csstransformslevel2 |
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csstransitions |
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cssvalid |
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cssvhunit |
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cssvmaxunit |
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cssvminunit |
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cssvwunit |
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cubicbezierrange |
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customelements |
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customevent |
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customproperties |
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customprotocolhandler |
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dart |
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datachannel |
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dataset |
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datauri |
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datauri-over32kb |
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dataview |
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dataworkers |
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details |
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devicemotion |
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deviceorientation |
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display-runin |
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display-table |
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displayrunin |
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displaytable |
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documentfragment |
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effectivetype |
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ellipsis |
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emoji |
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es5 |
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es5array |
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es5date |
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es5function |
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es5object |
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es5string |
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es5syntax |
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es5undefined |
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es6array |
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es6class |
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es6collections |
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es6math |
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es6number |
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es6object |
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es6string |
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es6symbol |
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es7array |
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es8object |
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eventlistener |
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eventsource |
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exiforientation |
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fetch |
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fileinput |
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fileinputdirectory |
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filereader |
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filesystem |
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flash |
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flexbox |
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flexboxlegacy |
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flexboxtweener |
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flexgap |
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flexwrap |
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focusvisible |
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focuswithin |
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fontdisplay |
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fontface |
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forcetouch |
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formattribute |
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formvalidation |
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framed |
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fullscreen |
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gamepads |
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generatedcontent |
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generators |
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geolocation |
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getrandomvalues |
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getusermedia |
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hairline |
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hashchange |
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hidden |
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hiddenscroll |
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history |
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hovermq |
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hsla |
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htmlimports |
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ie8compat |
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imgcrossorigin |
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indexeddb |
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indexeddb-deletedatabase |
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indexeddb2 |
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inlinesvg |
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input-formaction |
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input-formenctype |
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input-formnovalidate |
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input-formtarget |
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inputformaction |
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inputformenctype |
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inputformmethod |
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inputformnovalidate |
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inputformtarget |
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inputsearchevent |
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inputtypes-color |
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inputtypes-date |
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inputtypes-datetime |
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inputtypes-datetime-local |
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inputtypes-email |
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inputtypes-month |
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inputtypes-number |
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inputtypes-range |
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inputtypes-search |
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inputtypes-tel |
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inputtypes-time |
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inputtypes-url |
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inputtypes-week |
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intersectionobserver |
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intl |
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jpeg2000 |
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jpegxr |
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json |
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lastchild |
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lazyloading |
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ligatures |
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localizednumber |
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localstorage |
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lowbandwidth |
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lowbattery |
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matchmedia |
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mathml |
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mediaqueries |
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mediasource |
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mediastream |
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meter |
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microdata |
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multiplebgs |
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mutationobserver |
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notification |
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nthchild |
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object-fit |
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objectfit |
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olreversed |
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oninput |
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opacity |
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outputelem |
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overflowscrolling |
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pagevisibility |
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passiveeventlisteners |
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peerconnection |
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performance |
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picture |
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placeholder |
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pointerevents |
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pointerlock |
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pointermq |
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prefetch |
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preserve3d |
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promises |
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proximity |
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proxy |
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publickeycredential |
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queryselector |
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quotamanagement |
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regions |
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requestanimationframe |
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requestautocomplete |
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resizeobserver |
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restdestructuringarray |
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restdestructuringobject |
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restparameters |
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rgba |
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ruby |
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sandbox |
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scriptasync |
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scriptdefer |
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scrollsnappoints |
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seamless |
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serviceworker |
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sessionstorage |
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shadowroot |
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shadowrootlegacy |
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shapes |
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sharedworkers |
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siblinggeneral |
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sizes |
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smil |
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softhyphens |
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softhyphensfind |
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speechrecognition |
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speechsynthesis |
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spreadarray |
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spreadobject |
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srcdoc |
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srcset |
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strictmode |
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stringtemplate |
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stylescoped |
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subpixelfont |
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supports |
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svg |
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svgasimg |
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svgclippaths |
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svgfilters |
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svgforeignobject |
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target |
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template |
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textalignlast |
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textareamaxlength |
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textdecoder |
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textdecoration |
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textdecoration-color |
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textdecoration-line |
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textdecoration-skip |
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textdecoration-skipink |
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textdecoration-style |
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textencoder |
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textshadow |
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texttrackapi |
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time |
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todataurljpeg |
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todataurlpng |
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todataurlwebp |
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track |
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transferables |
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typedarrays |
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unicoderange |
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unknownelements |
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urlparser |
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urlsearchparams |
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userdata |
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userselect |
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variablefonts |
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vibrate |
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video |
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video-av1 |
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video-h264 |
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video-h265 |
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video-hls |
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video-ogg |
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video-vp9 |
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video-webm |
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videoautoplay |
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videocrossorigin |
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videoloop |
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videopreload |
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vml |
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webanimations |
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webaudio |
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webgl |
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webintents |
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webp |
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webp-alpha |
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webp-animation |
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webp-lossless |
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webpalpha |
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webpanimation |
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webplossless |
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websockets |
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websocketsbinary |
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websqldatabase |
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webworkers |
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willchange |
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wrapflow |
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xdomainrequest |
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xhr2 |
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xhrresponsetype |
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xhrresponsetypearraybuffer |
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xhrresponsetypeblob |
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xhrresponsetypedocument |
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xhrresponsetypejson |
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xhrresponsetypetext |