| 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 | 39 | There are 2278 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=20121204T071513Z&* 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 | 84 | The page uses 42 requests, that is too many to make the page load fast. | http://en.wikipedia.org/wiki/Encyclopedia 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=20121204T071513Z&* 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/d/d4/Monobook-bullet-star.png http://upload.wikimedia.org/wikipedia/commons/4/42/Monobook-bullet-ga.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Brockhaus_Lexikon.jpg/300px-Brockhaus_Lexikon.jpg http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/magnify-clip.png http://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Naturalishistoria.jpg/220px-Naturalishistoria.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Etymologiae_Guntherus_Ziner_1472.jpg/220px-Etymologiae_Guntherus_Ziner_1472.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Margarita_Philosopica_by_Reisch_2.jpg/220px-Margarita_Philosopica_by_Reisch_2.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/ENC_1-NA5_600px.jpeg/220px-ENC_1-NA5_600px.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/1708-harris-ttlpg.jpg/220px-1708-harris-ttlpg.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Eclairage.jpg/250px-Eclairage.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/G%C3%B6ttingen-SUB-Encyclopedia.Americana.JPG/180px-G%C3%B6ttingen-SUB-Encyclopedia.Americana.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/EncycBrit1913.jpg/220px-EncycBrit1913.jpg http://upload.wikimedia.org/wikipedia/en/thumb/8/80/Wikipedia-logo-v2.svg/150px-Wikipedia-logo-v2.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/47/Encyclopaedia_Britannica_Ultimate_Reference_Suite.png/220px-Encyclopaedia_Britannica_Ultimate_Reference_Suite.png http://upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Ringelbergius%2C_%27Lucubrationes...KYKLOPEDEIA...%27_ed._Basel_1541_original.JPG/220px-Ringelbergius%2C_%27Lucubrationes...KYKLOPEDEIA...%27_ed._Basel_1541_original.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Books-aj.svg_aj_ashton_01.svg/32px-Books-aj.svg_aj_ashton_01.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Nuvola_apps_bookcase.svg/28px-Nuvola_apps_bookcase.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/f8/Wiktionary-logo-en.svg/37px-Wiktionary-logo-en.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/38px-Wikisource-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/11px-Wikisource-logo.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 29 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/4/42/Monobook-bullet-ga.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Brockhaus_Lexikon.jpg/300px-Brockhaus_Lexikon.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Naturalishistoria.jpg/220px-Naturalishistoria.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Etymologiae_Guntherus_Ziner_1472.jpg/220px-Etymologiae_Guntherus_Ziner_1472.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/58/Margarita_Philosopica_by_Reisch_2.jpg/220px-Margarita_Philosopica_by_Reisch_2.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/8/8e/ENC_1-NA5_600px.jpeg/220px-ENC_1-NA5_600px.jpeg http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/1708-harris-ttlpg.jpg/220px-1708-harris-ttlpg.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Eclairage.jpg/250px-Eclairage.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/G%C3%B6ttingen-SUB-Encyclopedia.Americana.JPG/180px-G%C3%B6ttingen-SUB-Encyclopedia.Americana.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/EncycBrit1913.jpg/220px-EncycBrit1913.jpg http://upload.wikimedia.org/wikipedia/en/thumb/8/80/Wikipedia-logo-v2.svg/150px-Wikipedia-logo-v2.svg.png http://upload.wikimedia.org/wikipedia/en/thumb/4/47/Encyclopaedia_Britannica_Ultimate_Reference_Suite.png/220px-Encyclopaedia_Britannica_Ultimate_Reference_Suite.png http://upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Ringelbergius%2C_%27Lucubrationes...KYKLOPEDEIA...%27_ed._Basel_1541_original.JPG/220px-Ringelbergius%2C_%27Lucubrationes...KYKLOPEDEIA...%27_ed._Basel_1541_original.JPG http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Books-aj.svg_aj_ashton_01.svg/32px-Books-aj.svg_aj_ashton_01.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/a/a5/Nuvola_apps_bookcase.svg/28px-Nuvola_apps_bookcase.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/f8/Wiktionary-logo-en.svg/37px-Wiktionary-logo-en.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/38px-Wikisource-logo.svg.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/11px-Wikisource-logo.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=20121204T071513Z&* 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 76.37% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 12 |
| css | 2 |
| images | 23 |
| css images | 3 |
| font | 0 |
| requests | 42 |
| request cached | 31 |
| doc size | 57.9 kb |
| page size | 875.8 kb |
| js size | 592.9 kb |
| css size | 70.8 kb |
| image size | 297.2 kb |
| css image size | 20.4 kb |
| content weight that are js files | 82.2 % |
| content weight that are css files | 9.8 % |
| page weight cached | 97.5 kb |
| load time | 8621 ms |
| spof | 7 |
| sync js in head | 5 |