| Rule | Score | Message | Extra |
|---|---|---|---|
| Make fewer HTTP requests | 77 | This page has 4 external Javascript scripts. Try combining them into one. This page has 7 external background images. Try combining them with CSS sprites. | |
| Compress components with gzip | 89 | There is 1 plain text component that should be sent compressed | http://www.ptt.cc/index.html |
| Avoid CSS expressions | 88 | There is a total of 1 expression | inline <style> tag #1 (1 expression) |
| Reduce DNS lookups | 85 | The components are split over more than 4 domains | www.ptt.cc: 2 components, 7.6K images.ptt.cc: 9 components, 24.2K (17.1K GZip) apis.google.com: 2 components, 96.3K (66.9K GZip) connect.facebook.net: 1 component, 0.0K www.google-analytics.com: 1 component, 37.3K (37.3K GZip) static.ak.facebook.com: 1 component, 25.4K (25.4K GZip) s-static.ak.facebook.com: 1 component, 25.4K (25.4K GZip) |
| Use cookie-free domains | 95 | There is 1 component that is not cookie-free | https://apis.google.com/js/plusone.js |
| Avoid loading specific css for print | 60 | There is 1 print css files included on the page, that should be @media query instead | http://images.ptt.cc/print.css |
| 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://images.ptt.cc/default.css http://images.ptt.cc/print.css |
| Have long expire headers for static components | 0 | There are 11 static components without a far-future expiration date. There is 1 static component that are skipped from the score calculation:http://www.google-analytics.com/ga.js | http://images.ptt.cc/default.css http://images.ptt.cc/print.css http://connect.facebook.net/zh_TW/all.js#xfbml=1 https://apis.google.com/js/plusone.js http://images.ptt.cc/bg1.gif http://images.ptt.cc/ptt.jpg http://images.ptt.cc/bg3.gif http://images.ptt.cc/bg2.gif http://images.ptt.cc/bg11.gif http://images.ptt.cc/bg6.gif http://images.ptt.cc/bg9b.gif |
| Too much javascript compared to text content | 0 | The content of the page concist of 94.6% javascript, that is too much. |
| type | value |
|---|---|
| javascript | 4 |
| css | 2 |
| images | 0 |
| css images | 7 |
| font | 0 |
| requests | 17 |
| request cached | 14 |
| doc size | 7.6 kb |
| page size | 187.0 kb |
| js size | 133.7 kb |
| css size | 17.1 kb |
| image size | 0.0 kb |
| css image size | 7.2 kb |
| content weight that are js files | 84.4 % |
| content weight that are css files | 10.8 % |
| page weight cached | 26.1 kb |
| load time | 623 ms |
| spof | 0 |
| sync js in head | 0 |