| Rule | Score | Message | Extra |
|---|---|---|---|
| Make fewer HTTP requests | 61 | This page has 11 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 | 49 | There are 2144 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 | 90 | The page uses 36 requests, that is too many to make the page load fast. | http://en.wikipedia.org/wiki/Flight_feather#Primaries 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=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/thumb/4/4b/Milvus_milvus_R%28ThKraft%29.jpg/170px-Milvus_milvus_R%28ThKraft%29.jpg http://bits.wikimedia.org/static-1.21wmf4/skins/common/images/magnify-clip.png http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Haliaeetus_leucocephalus7_%28softeis%29.jpg/220px-Haliaeetus_leucocephalus7_%28softeis%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Buteo_buteo_primary_secondary.jpg/170px-Buteo_buteo_primary_secondary.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Male_mallard_flight03_-_natures_pics.jpg/220px-Male_mallard_flight03_-_natures_pics.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Pin-tailed_wydah.jpg/220px-Pin-tailed_wydah.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/42/EulenfederTeil3.jpg/220px-EulenfederTeil3.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Casuarius_casuarius_-_double-wattled_cassowary.jpg/220px-Casuarius_casuarius_-_double-wattled_cassowary.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Corvus-01.jpg/220px-Corvus-01.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Haliaeetus_leucogaster_overhead_imm.jpg/220px-Haliaeetus_leucogaster_overhead_imm.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Larus_occidentalis_-San_Luis_Obispo%2C_California%2C_USA_-chick-8.jpg/220px-Larus_occidentalis_-San_Luis_Obispo%2C_California%2C_USA_-chick-8.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/40/Ringing_07_Measuring_wing.jpg/220px-Ringing_07_Measuring_wing.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Marshwarbler_primaryprojection.jpg/170px-Marshwarbler_primaryprojection.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/White_shark_%28cropped%29.jpg/140px-White_shark_%28cropped%29.jpg http://upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/15px-Cscr-featured.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 24 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/4/42/Monobook-bullet-ga.png http://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Milvus_milvus_R%28ThKraft%29.jpg/170px-Milvus_milvus_R%28ThKraft%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Haliaeetus_leucocephalus7_%28softeis%29.jpg/220px-Haliaeetus_leucocephalus7_%28softeis%29.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Buteo_buteo_primary_secondary.jpg/170px-Buteo_buteo_primary_secondary.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Male_mallard_flight03_-_natures_pics.jpg/220px-Male_mallard_flight03_-_natures_pics.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/7/7f/Pin-tailed_wydah.jpg/220px-Pin-tailed_wydah.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/42/EulenfederTeil3.jpg/220px-EulenfederTeil3.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/Casuarius_casuarius_-_double-wattled_cassowary.jpg/220px-Casuarius_casuarius_-_double-wattled_cassowary.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Corvus-01.jpg/220px-Corvus-01.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Haliaeetus_leucogaster_overhead_imm.jpg/220px-Haliaeetus_leucogaster_overhead_imm.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Larus_occidentalis_-San_Luis_Obispo%2C_California%2C_USA_-chick-8.jpg/220px-Larus_occidentalis_-San_Luis_Obispo%2C_California%2C_USA_-chick-8.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/4/40/Ringing_07_Measuring_wing.jpg/220px-Ringing_07_Measuring_wing.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/Marshwarbler_primaryprojection.jpg/170px-Marshwarbler_primaryprojection.jpg http://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/White_shark_%28cropped%29.jpg/140px-White_shark_%28cropped%29.jpg http://upload.wikimedia.org/wikipedia/en/thumb/e/e7/Cscr-featured.svg/15px-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 80.13% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 11 |
| css | 2 |
| images | 18 |
| css images | 3 |
| font | 0 |
| requests | 36 |
| request cached | 26 |
| doc size | 66.9 kb |
| page size | 680.6 kb |
| js size | 537.3 kb |
| css size | 84.8 kb |
| image size | 138.5 kb |
| css image size | 20.4 kb |
| content weight that are js files | 78.0 % |
| content weight that are css files | 12.3 % |
| page weight cached | 39.6 kb |
| load time | 1757 ms |
| spof | 7 |
| sync js in head | 5 |