| Rule | Score | Message | Extra |
|---|---|---|---|
| Make fewer HTTP requests | 64 | This page has 11 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 |
| 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 | 83 | The page uses 43 requests, that is too many to make the page load fast. | http://en.wikipedia.org/wiki/Portal:Science 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.gadget.DRN-wizard%2CReferenceTooltips%2Ccharinsert%2Cteahouse%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=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/d/d4/Monobook-bullet-star.png http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Nuvola_apps_kalzium.svg/20px-Nuvola_apps_kalzium.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Astrolabe-Persian-18C.jpg/20px-Astrolabe-Persian-18C.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/P_philosophy.png/20px-P_philosophy.png http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Complex-adaptive-system.jpg/20px-Complex-adaptive-system.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Nuvola_apps_edu_mathematics-p.svg/20px-Nuvola_apps_edu_mathematics-p.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/3/32/EscherichiaColi_NIAID.jpg/20px-EscherichiaColi_NIAID.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/20px-Nuvola_apps_edu_science.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Stylised_Lithium_Atom.svg/20px-Stylised_Lithium_Atom.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Gnome-globe.svg/20px-Gnome-globe.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Nuvola_apps_display.png/20px-Nuvola_apps_display.png http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Colbert_Presenting_the_Members_of_the_Royal_Academy_of_Sciences_to_Louis_XIV_in_1667.PNG/200px-Colbert_Presenting_the_Members_of_the_Royal_Academy_of_Sciences_to_Louis_XIV_in_1667.PNG http://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/New_horizons_%28NASA%29.jpg/200px-New_horizons_%28NASA%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/PIA02863_-_Jupiter_surface_motion_animation.gif/325px-PIA02863_-_Jupiter_surface_motion_animation.gif http://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Richard_Feynman_ID_badge.png/115px-Richard_Feynman_ID_badge.png http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Tallow2232.JPG/100px-Tallow2232.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/40px-Wikinews-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/25px-Wikiquote-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/25px-Wikibooks-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/25px-Wikisource-logo.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Wiktionary-logo-en.svg/25px-Wiktionary-logo-en.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Wikiversity-logo.svg/20px-Wikiversity-logo.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/14px-Cscr-featured.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 32 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/d/d4/Monobook-bullet-star.png http://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Nuvola_apps_kalzium.svg/20px-Nuvola_apps_kalzium.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Astrolabe-Persian-18C.jpg/20px-Astrolabe-Persian-18C.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/P_philosophy.png/20px-P_philosophy.png http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Complex-adaptive-system.jpg/20px-Complex-adaptive-system.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/c/c2/Nuvola_apps_edu_mathematics-p.svg/20px-Nuvola_apps_edu_mathematics-p.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/3/32/EscherichiaColi_NIAID.jpg/20px-EscherichiaColi_NIAID.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/20px-Nuvola_apps_edu_science.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Stylised_Lithium_Atom.svg/20px-Stylised_Lithium_Atom.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Gnome-globe.svg/20px-Gnome-globe.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Nuvola_apps_display.png/20px-Nuvola_apps_display.png http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Colbert_Presenting_the_Members_of_the_Royal_Academy_of_Sciences_to_Louis_XIV_in_1667.PNG/200px-Colbert_Presenting_the_Members_of_the_Royal_Academy_of_Sciences_to_Louis_XIV_in_1667.PNG http://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/New_horizons_%28NASA%29.jpg/200px-New_horizons_%28NASA%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/76/PIA02863_-_Jupiter_surface_motion_animation.gif/325px-PIA02863_-_Jupiter_surface_motion_animation.gif http://upload.wikimedia.org/wikipedia/commons/thumb/4/41/Richard_Feynman_ID_badge.png/115px-Richard_Feynman_ID_badge.png http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Tallow2232.JPG/100px-Tallow2232.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Wikinews-logo.svg/40px-Wikinews-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikiquote-logo.svg/25px-Wikiquote-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/25px-Wikibooks-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/25px-Wikisource-logo.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/20px-Commons-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Wiktionary-logo-en.svg/25px-Wiktionary-logo-en.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/91/Wikiversity-logo.svg/20px-Wikiversity-logo.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/14px-Cscr-featured.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 | 0 | The content of the page concist of 88.61% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 11 |
| css | 2 |
| images | 26 |
| css images | 2 |
| font | 0 |
| requests | 43 |
| request cached | 34 |
| doc size | 69.3 kb |
| page size | 632.7 kb |
| js size | 534.1 kb |
| css size | 84.8 kb |
| image size | 149.1 kb |
| css image size | 19.9 kb |
| content weight that are js files | 77.6 % |
| content weight that are css files | 12.3 % |
| page weight cached | 110.0 kb |
| load time | 1642 ms |
| spof | 7 |
| sync js in head | 5 |