| Rule | Score | Message | Extra |
|---|---|---|---|
| Make fewer HTTP requests | 57 | This page has 12 external Javascript scripts. Try combining them into one. This page has 3 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 5479 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=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 | 71 | The page uses 55 requests, that is too many to make the page load fast. | http://en.wikipedia.org/wiki/Sebastian_Vettel 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=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%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&* 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=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/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/c/c9/Sebastian_Vettel_2012_Bahrain_GP.jpg/220px-Sebastian_Vettel_2012_Bahrain_GP.jpg http://upload.wikimedia.org/wikipedia/en/thumb/b/ba/Flag_of_Germany.svg/22px-Flag_of_Germany.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/P1000588b.jpg/220px-P1000588b.jpg http://bits.wikimedia.org/static-1.21wmf5/skins/common/images/magnify-clip.png http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Sebastian_Vettel_2006_Brazil.jpg/220px-Sebastian_Vettel_2006_Brazil.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/1/16/Sebastian_Vettel_2007_USA_2.jpg/220px-Sebastian_Vettel_2007_USA_2.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Sebastian_Vettel_2007_Brazil_free_practice.jpg/220px-Sebastian_Vettel_2007_Brazil_free_practice.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Sebastian_Vettel_2008_Canada.jpg/220px-Sebastian_Vettel_2008_Canada.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Sebastian_Vettel_won_2009_Japanese_GP.jpg/220px-Sebastian_Vettel_won_2009_Japanese_GP.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Sebastian_Vettel_%28Red_Bull_RB5%29_on_Saturday_at_2009_Abu_Dhabi_Grand_Prix.jpg/220px-Sebastian_Vettel_%28Red_Bull_RB5%29_on_Saturday_at_2009_Abu_Dhabi_Grand_Prix.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Vettel_Bahrain_2010.jpg/220px-Vettel_Bahrain_2010.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Vettel_abu_dabi_2010.jpg/220px-Vettel_abu_dabi_2010.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Sebastian_Vettel_2011_Malaysia_FP2_1.jpg/220px-Sebastian_Vettel_2011_Malaysia_FP2_1.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/2011_Monaco_GP_Sebastien.jpg/220px-2011_Monaco_GP_Sebastien.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/92/2011_Singapore_GP_-_Vettel.jpg/220px-2011_Singapore_GP_-_Vettel.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Sebastian_Vettel_2011_Japan_Race.jpg/220px-Sebastian_Vettel_2011_Japan_Race.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Sebastian_Vettel_2012_Malaysia_FP3.jpg/220px-Sebastian_Vettel_2012_Malaysia_FP3.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Sebastian_Vettel_2012_Bahrain.jpg/220px-Sebastian_Vettel_2012_Bahrain.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/2/23/2012_Singapore_GP_-_Vettel.jpg/220px-2012_Singapore_GP_-_Vettel.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/63/Sebastian_Vettel%2C_United_States_Grand_Prix%2C_Austin_2012.jpg/220px-Sebastian_Vettel%2C_United_States_Grand_Prix%2C_Austin_2012.jpg http://upload.wikimedia.org/wikipedia/en/thumb/0/01/Sebastian_Vettel_Italy_2012.jpg/220px-Sebastian_Vettel_Italy_2012.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Sebastian_Vettel_won_2011_Formula_One_World_Drivers_Championship.jpg/220px-Sebastian_Vettel_won_2011_Formula_One_World_Drivers_Championship.jpg http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/22px-Flag_of_Austria.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/b/b9/Flag_of_Australia.svg/22px-Flag_of_Australia.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Flag_of_Switzerland.svg/20px-Flag_of_Switzerland.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/22px-Flag_of_the_United_Kingdom.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/0/03/Flag_of_Italy.svg/22px-Flag_of_Italy.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/22px-Flag_of_the_Netherlands.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/f/f3/Flag_of_Russia.svg/22px-Flag_of_Russia.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/9/9a/Flag_of_Spain.svg/22px-Flag_of_Spain.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Flag_of_Portugal.svg/22px-Flag_of_Portugal.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_South_Africa.svg/22px-Flag_of_South_Africa.svg.png http://bits.wikimedia.org/static-1.21wmf5/skins/vector/images/search-ltr.png?303-4 http://bits.wikimedia.org/images/wikimedia-button.png http://bits.wikimedia.org/static-1.21wmf5/skins/common/images/poweredby_mediawiki_88x31.png http://en.wikipedia.org/favicon.ico |
| Have long expire headers for static components | 0 | There are 42 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/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/c/c9/Sebastian_Vettel_2012_Bahrain_GP.jpg/220px-Sebastian_Vettel_2012_Bahrain_GP.jpg http://upload.wikimedia.org/wikipedia/en/thumb/b/ba/Flag_of_Germany.svg/22px-Flag_of_Germany.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/P1000588b.jpg/220px-P1000588b.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Sebastian_Vettel_2006_Brazil.jpg/220px-Sebastian_Vettel_2006_Brazil.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/1/16/Sebastian_Vettel_2007_USA_2.jpg/220px-Sebastian_Vettel_2007_USA_2.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Sebastian_Vettel_2007_Brazil_free_practice.jpg/220px-Sebastian_Vettel_2007_Brazil_free_practice.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c7/Sebastian_Vettel_2008_Canada.jpg/220px-Sebastian_Vettel_2008_Canada.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Sebastian_Vettel_won_2009_Japanese_GP.jpg/220px-Sebastian_Vettel_won_2009_Japanese_GP.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Sebastian_Vettel_%28Red_Bull_RB5%29_on_Saturday_at_2009_Abu_Dhabi_Grand_Prix.jpg/220px-Sebastian_Vettel_%28Red_Bull_RB5%29_on_Saturday_at_2009_Abu_Dhabi_Grand_Prix.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/Vettel_Bahrain_2010.jpg/220px-Vettel_Bahrain_2010.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Vettel_abu_dabi_2010.jpg/220px-Vettel_abu_dabi_2010.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Sebastian_Vettel_2011_Malaysia_FP2_1.jpg/220px-Sebastian_Vettel_2011_Malaysia_FP2_1.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/2011_Monaco_GP_Sebastien.jpg/220px-2011_Monaco_GP_Sebastien.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/92/2011_Singapore_GP_-_Vettel.jpg/220px-2011_Singapore_GP_-_Vettel.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Sebastian_Vettel_2011_Japan_Race.jpg/220px-Sebastian_Vettel_2011_Japan_Race.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Sebastian_Vettel_2012_Malaysia_FP3.jpg/220px-Sebastian_Vettel_2012_Malaysia_FP3.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Sebastian_Vettel_2012_Bahrain.jpg/220px-Sebastian_Vettel_2012_Bahrain.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/2/23/2012_Singapore_GP_-_Vettel.jpg/220px-2012_Singapore_GP_-_Vettel.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/63/Sebastian_Vettel%2C_United_States_Grand_Prix%2C_Austin_2012.jpg/220px-Sebastian_Vettel%2C_United_States_Grand_Prix%2C_Austin_2012.jpg http://upload.wikimedia.org/wikipedia/en/thumb/0/01/Sebastian_Vettel_Italy_2012.jpg/220px-Sebastian_Vettel_Italy_2012.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Sebastian_Vettel_won_2011_Formula_One_World_Drivers_Championship.jpg/220px-Sebastian_Vettel_won_2011_Formula_One_World_Drivers_Championship.jpg http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Flag_of_Austria.svg/22px-Flag_of_Austria.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/b/b9/Flag_of_Australia.svg/22px-Flag_of_Australia.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Flag_of_Switzerland.svg/20px-Flag_of_Switzerland.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/a/ae/Flag_of_the_United_Kingdom.svg/22px-Flag_of_the_United_Kingdom.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/0/03/Flag_of_Italy.svg/22px-Flag_of_Italy.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/22px-Flag_of_the_Netherlands.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/f/f3/Flag_of_Russia.svg/22px-Flag_of_Russia.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/9/9a/Flag_of_Spain.svg/22px-Flag_of_Spain.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Flag_of_Portugal.svg/22px-Flag_of_Portugal.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/af/Flag_of_South_Africa.svg/22px-Flag_of_South_Africa.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=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 64.71% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 12 |
| css | 2 |
| images | 36 |
| css images | 3 |
| font | 0 |
| requests | 55 |
| request cached | 44 |
| doc size | 69.0 kb |
| page size | 899.7 kb |
| js size | 592.9 kb |
| css size | 70.7 kb |
| image size | 265.1 kb |
| css image size | 20.4 kb |
| content weight that are js files | 80.9 % |
| content weight that are css files | 9.7 % |
| page weight cached | 108.6 kb |
| load time | 2974 ms |
| spof | 7 |
| sync js in head | 5 |