Page http://en.wikipedia.org/wiki/Coordinated_Universal_Time (score: 82)

Scores below 100

Rule Score Message Extra
Make fewer HTTP requests 60 This page has 12 external Javascript scripts. Try combining them into one.
Minify JavaScript and CSS 90 There is 1 component that can be minified

http://en.wikipedia.org/w/index.php?title=MediaWiki:Gadget-ReferenceTooltips.js&action=raw&ctype=text/javascript&508635914

Reduce the number of DOM elements 29 There are 2494 DOM elements on the page
Load CSS in head from document domain 90 The following 2 css are loaded from a different domain inside head, causing DNS lookups before page is rendered. Unique DNS in head that decreases the score:1.

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%7Cext.wikihiero%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmw.PopUpMediaTransform%7Cskins.vector&only=styles&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&*

Never load JS synchronously in head 50 There are 5 scripts that are not loaded asynchronously in head, that will block the rendering.

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.triggerQueueCallback%2CloadingSpinner%2CmwEmbedUtil%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20121126T175337Z

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.centralNotice.bannerController%7Cext.wikimediaShopLink.core%7Cjquery.client%2Ccookie%2CmwExtension%7Cmediawiki.cldr%2CjqueryMsg%2Clanguage%2Cnotify%2Cutil%7Cmediawiki.language.data%2Cinit%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.startup&skin=vector&version=20121204T071754Z&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.vector.footerCleanup&skin=vector&version=20121204T024440Z&*

http://bits.wikimedia.org/geoiplookup

Have long expire headers for static components 0 There are 13 static components without a far-future expiration date.

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%7Cext.wikihiero%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmw.PopUpMediaTransform%7Cskins.vector&only=styles&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=vector&*

http://bits.wikimedia.org/geoiplookup

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=skins.vector&only=scripts&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=scripts&skin=vector&*

http://upload.wikimedia.org/wikipedia/commons/2/23/Icons-mini-file_acrobat.gif

http://upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png

http://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Leapsecond.ut1-utc.svg/250px-Leapsecond.ut1-utc.svg.png

http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Wiktionary-logo-en.svg/37px-Wiktionary-logo-en.svg.png

http://upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/76px-Wooden_hourglass_3.jpg

http://upload.wikimedia.org/wikipedia/en/thumb/f/fd/Portal-puzzle.svg/16px-Portal-puzzle.svg.png

http://bits.wikimedia.org/images/wikimedia-button.png

Frontend single point of failure 30 The following 7 assets are loaded from a different domain inside head and could be a single point of failure.

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%7Cext.wikihiero%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmw.PopUpMediaTransform%7Cskins.vector&only=styles&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=vector&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.triggerQueueCallback%2CloadingSpinner%2CmwEmbedUtil%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20121126T175337Z

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.centralNotice.bannerController%7Cext.wikimediaShopLink.core%7Cjquery.client%2Ccookie%2CmwExtension%7Cmediawiki.cldr%2CjqueryMsg%2Clanguage%2Cnotify%2Cutil%7Cmediawiki.language.data%2Cinit%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.startup&skin=vector&version=20121204T071754Z&*

http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.vector.footerCleanup&skin=vector&version=20121204T024440Z&*

http://bits.wikimedia.org/geoiplookup

Too much javascript compared to text content 0 The content of the page concist of 78.16% javascript, that is too much.

Page summary

type value
javascript 12
css 2
images 8
css images 2
font 0
requests 26
request cached 15
doc size 89.2 kb
page size 659.1 kb
js size 592.9 kb
css size 84.8 kb
image size 29.8 kb
css image size 20.0 kb
content weight that are js files 77.3 %
content weight that are css files 11.1 %
page weight cached 39.6 kb
load time 2520 ms
spof 7
sync js in head 5

Page assets

url type size
http://en.wikipedia.org/wiki/Coordinated_Universal_Time
doc 165.6 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%7Cext.wikihiero%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmw.PopUpMediaTransform%7Cskins.vector&only=styles&skin=vector&*
css 64.0 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=styles&skin=vector&*
css 20.8 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=vector&*
js 39.5 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=jquery%2Cmediawiki%2CSpinner%7Cjquery.triggerQueueCallback%2CloadingSpinner%2CmwEmbedUtil%7Cmw.MwEmbedSupport&only=scripts&skin=vector&version=20121126T175337Z
js 175.8 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.centralNotice.bannerController%7Cext.wikimediaShopLink.core%7Cjquery.client%2Ccookie%2CmwExtension%7Cmediawiki.cldr%2CjqueryMsg%2Clanguage%2Cnotify%2Cutil%7Cmediawiki.language.data%2Cinit%7Cmediawiki.legacy.ajax%2Cwikibits%7Cmediawiki.libs.pluralruleparser%7Cmediawiki.page.startup&skin=vector&version=20121204T071754Z&*
js 49.6 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.vector.footerCleanup&skin=vector&version=20121204T024440Z&*
js 3.3 kb
http://bits.wikimedia.org/geoiplookup
js 0.1 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.Experiments.experiments%2Clib%7Cext.UserBuckets%2CmarkAsHelpful%2CpostEdit%7Cext.articleFeedback.startup%7Cext.articleFeedbackv5.startup%7Cext.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%7Cjquery.articleFeedbackv5.verify%7Cjquery.autoEllipsis%2CcheckboxShiftClick%2CclickTracking%2CcollapsibleTabs%2CdelayedBind%2Chidpi%2ChighlightText%2Cjson%2CmakeCollapsible%2Cmw-jump%2Cplaceholder%2Csuggestions%2CtabIndex%7Cmediawiki.api%2Chidpi%2CsearchSuggest%2Cuser%7Cmediawiki.page.ready%7Cmobile.desktop%7Cmw.MwEmbedSupport.style%7Cmw.PopUpMediaTransform&skin=vector&version=20121204T024427Z&*
js 84.3 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.vector.collapsibleNav%2CcollapsibleTabs%2CeditWarning&skin=vector&version=20121204T024434Z&*
js 12.1 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=jquery.ui.button%2Ccore%2Cdialog%2Cdraggable%2Cmouse%2Cposition%2Cresizable%2Cwidget&skin=vector&version=20121126T175100Z&*
js 153.8 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.articleFeedback%7Cext.articleFeedback.ratingi18n%7Cjquery.appear%2CarticleFeedback%2Clocalize%2Ctipsy&skin=vector&version=20121204T024433Z&*
js 55.6 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=skins.vector&only=scripts&skin=vector&*
js 0.4 kb
http://en.wikipedia.org/w/index.php?title=MediaWiki:Gadget-ReferenceTooltips.js&action=raw&ctype=text/javascript&508635914
js 9.5 kb
http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=site&only=scripts&skin=vector&*
js 8.9 kb
http://upload.wikimedia.org/wikipedia/commons/2/23/Icons-mini-file_acrobat.gif
cssimage 0.3 kb
http://upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png
cssimage 19.7 kb
http://upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Leapsecond.ut1-utc.svg/250px-Leapsecond.ut1-utc.svg.png
image 12.9 kb
http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/magnify-clip.png
image 0.2 kb
http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Wiktionary-logo-en.svg/37px-Wiktionary-logo-en.svg.png
image 1.9 kb
http://upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/76px-Wooden_hourglass_3.jpg
image 7.9 kb
http://upload.wikimedia.org/wikipedia/en/thumb/f/fd/Portal-puzzle.svg/16px-Portal-puzzle.svg.png
image 0.7 kb
http://bits.wikimedia.org/static-1.21wmf4/skins/vector/images/search-ltr.png?303-4
image 0.2 kb
http://bits.wikimedia.org/images/wikimedia-button.png
image 2.4 kb
http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/poweredby_mediawiki_88x31.png
image 3.5 kb
http://en.wikipedia.org/favicon.ico
favicon 0.0 kb