| Rule | Score | Message | Extra |
|---|---|---|---|
| Make fewer HTTP requests | 46 | This page has 14 external Javascript scripts. Try combining them into one. This page has 4 external background images. Try combining them with CSS sprites. | |
| 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 | 0 | There are 5615 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.categoryTree.css%7Cext.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=20121204T072020Z&* 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 |
| Reduce number of total requests | 64 | The page uses 62 requests, that is too many to make the page load fast. | http://en.wikipedia.org/wiki/President_of_the_United_States http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.categoryTree.css%7Cext.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=20121204T072020Z&* 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 http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.Experiments.experiments%2Clib%7Cext.UserBuckets%2CcategoryTree%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=20121204T024430Z&* http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.vector.collapsibleNav%2CcollapsibleTabs%2CeditWarning&skin=vector&version=20121204T024434Z&* 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&* http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=fullScreenApi%7Cjquery.debouncedresize%2ChoverIntent%2Cmenu%7Cjquery.ui.touchPunch%7Cmediawiki.Uri%2CUtilitiesTime%2CabsoluteUrl%2Cclient%7Cmw.Api%2CEmbedPlayer%2CEmbedPlayerNative%2CEmbedTypes%2CMediaElement%2CMediaPlayer%2CMediaPlayers%2CMediaSource%2CMediaWikiPlayerSupport%2CPlayerSkinKskin%2CTextSource%2CTimedText%2CajaxProxy&skin=vector&version=20121204T024504Z&* http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=jquery.ui.slider&skin=vector&version=20121126T175100Z&* 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&* http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=skins.vector&only=scripts&skin=vector&* http://en.wikipedia.org/w/index.php?title=MediaWiki:Gadget-ReferenceTooltips.js&action=raw&ctype=text/javascript&508635914 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/4/42/Monobook-bullet-ga.png http://upload.wikimedia.org/wikipedia/commons/d/d4/Monobook-bullet-star.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Padlock-silver.svg/20px-Padlock-silver.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Seal_Of_The_President_Of_The_United_States_Of_America.svg/110px-Seal_Of_The_President_Of_The_United_States_Of_America.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_the_President_of_the_United_States_of_America.svg/120px-Flag_of_the_President_of_the_United_States_of_America.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Official_portrait_of_Barack_Obama.jpg/220px-Official_portrait_of_Barack_Obama.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/US-GreatSeal-Obverse.svg/125px-US-GreatSeal-Obverse.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/0/01/A_coloured_voting_box.svg/16px-A_coloured_voting_box.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/BarackObamaSigningLegislation.jpg/220px-BarackObamaSigningLegislation.jpg http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/magnify-clip.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Abraham_Lincoln_head_on_shoulders_photo_portrait.jpg/170px-Abraham_Lincoln_head_on_shoulders_photo_portrait.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/SOU2007.jpg/220px-SOU2007.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Wilson_opening_day_1916.jpg/220px-Wilson_opening_day_1916.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Gnome-mime-sound-openclipart.svg/50px-Gnome-mime-sound-openclipart.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Gilbert_Stuart_Williamstown_Portrait_of_George_Washington.jpg/170px-Gilbert_Stuart_Williamstown_Portrait_of_George_Washington.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Electoral_College_2012.svg/220px-Electoral_College_2012.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/FDR_in_1933.jpg/170px-FDR_in_1933.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/WhiteHouseSouthFacade.JPG/150px-WhiteHouseSouthFacade.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Camp_David_1959.jpg/150px-Camp_David_1959.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Blair_House_daylight.jpg/150px-Blair_House_daylight.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/GPA02-09_US_SecretService_press_release_2009_Limousine_Page_3_Image.jpg/150px-GPA02-09_US_SecretService_press_release_2009_Limousine_Page_3_Image.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Air_Force_One_over_Mt._Rushmore.jpg/149px-Air_Force_One_over_Mt._Rushmore.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Marine_One_%281970%29.jpg/150px-Marine_One_%281970%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/FordNixonBushReaganCarter.jpg/220px-FordNixonBushReaganCarter.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Five_Presidents_Oval_Office.jpg/220px-Five_Presidents_Oval_Office.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Jcarter.jpeg/102px-Jcarter.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Ghwbush.jpeg/96px-Ghwbush.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/Bclinton.jpeg/94px-Bclinton.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/President_George_W_Bush_portrait.jpg/96px-President_George_W_Bush_portrait.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/US-GreatSeal-Obverse.svg/28px-US-GreatSeal-Obverse.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/38px-Wikisource-logo.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Seal_Of_The_President_Of_The_United_States_Of_America.svg/100px-Seal_Of_The_President_Of_The_United_States_Of_America.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Seal_Of_The_President_Of_The_United_States_Of_America.svg/70px-Seal_Of_The_President_Of_The_United_States_Of_America.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/22px-Flag_of_the_United_States.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/Symbol_book_class2.svg/16px-Symbol_book_class2.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/f/fd/Portal-puzzle.svg/16px-Portal-puzzle.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/48/Folder_Hexagonal_Icon.svg/16px-Folder_Hexagonal_Icon.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/People_icon.svg/16px-People_icon.svg.png http://bits.wikimedia.org/static-1.21wmf4/skins/vector/images/search-ltr.png?303-4 http://bits.wikimedia.org/images/wikimedia-button.png http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/poweredby_mediawiki_88x31.png http://en.wikipedia.org/favicon.ico |
| Have long expire headers for static components | 0 | There are 47 static components without a far-future expiration date. | http://bits.wikimedia.org/en.wikipedia.org/load.php?debug=false&lang=en&modules=ext.categoryTree.css%7Cext.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/4/42/Monobook-bullet-ga.png http://upload.wikimedia.org/wikipedia/commons/d/d4/Monobook-bullet-star.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Padlock-silver.svg/20px-Padlock-silver.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Seal_Of_The_President_Of_The_United_States_Of_America.svg/110px-Seal_Of_The_President_Of_The_United_States_Of_America.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_the_President_of_the_United_States_of_America.svg/120px-Flag_of_the_President_of_the_United_States_of_America.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Official_portrait_of_Barack_Obama.jpg/220px-Official_portrait_of_Barack_Obama.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/US-GreatSeal-Obverse.svg/125px-US-GreatSeal-Obverse.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/0/01/A_coloured_voting_box.svg/16px-A_coloured_voting_box.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/BarackObamaSigningLegislation.jpg/220px-BarackObamaSigningLegislation.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Abraham_Lincoln_head_on_shoulders_photo_portrait.jpg/170px-Abraham_Lincoln_head_on_shoulders_photo_portrait.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/SOU2007.jpg/220px-SOU2007.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Wilson_opening_day_1916.jpg/220px-Wilson_opening_day_1916.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/87/Gnome-mime-sound-openclipart.svg/50px-Gnome-mime-sound-openclipart.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Gilbert_Stuart_Williamstown_Portrait_of_George_Washington.jpg/170px-Gilbert_Stuart_Williamstown_Portrait_of_George_Washington.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Electoral_College_2012.svg/220px-Electoral_College_2012.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/FDR_in_1933.jpg/170px-FDR_in_1933.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/WhiteHouseSouthFacade.JPG/150px-WhiteHouseSouthFacade.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Camp_David_1959.jpg/150px-Camp_David_1959.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Blair_House_daylight.jpg/150px-Blair_House_daylight.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/89/GPA02-09_US_SecretService_press_release_2009_Limousine_Page_3_Image.jpg/150px-GPA02-09_US_SecretService_press_release_2009_Limousine_Page_3_Image.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Air_Force_One_over_Mt._Rushmore.jpg/149px-Air_Force_One_over_Mt._Rushmore.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Marine_One_%281970%29.jpg/150px-Marine_One_%281970%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/FordNixonBushReaganCarter.jpg/220px-FordNixonBushReaganCarter.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Five_Presidents_Oval_Office.jpg/220px-Five_Presidents_Oval_Office.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Jcarter.jpeg/102px-Jcarter.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Ghwbush.jpeg/96px-Ghwbush.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/Bclinton.jpeg/94px-Bclinton.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/President_George_W_Bush_portrait.jpg/96px-President_George_W_Bush_portrait.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/US-GreatSeal-Obverse.svg/28px-US-GreatSeal-Obverse.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/38px-Wikisource-logo.svg.png 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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.categoryTree.css%7Cext.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=20121204T072020Z&* 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 | 50 | The content of the page concist of 67.79% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 14 |
| css | 2 |
| images | 40 |
| css images | 4 |
| font | 0 |
| requests | 62 |
| request cached | 49 |
| doc size | 121.1 kb |
| page size | 1241.0 kb |
| js size | 836.2 kb |
| css size | 85.5 kb |
| image size | 295.9 kb |
| css image size | 20.7 kb |
| content weight that are js files | 80.2 % |
| content weight that are css files | 8.2 % |
| page weight cached | 39.6 kb |
| load time | 3787 ms |
| spof | 7 |
| sync js in head | 5 |