| 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/links.html | 
| Avoid CSS expressions | 88 | There is a total of 1 expression | inline <style> tag #1 (1 expression) | 
| Reduce DNS lookups | 65 | The components are split over more than 4 domains | www.ptt.cc: 2 components, 9.0K images.ptt.cc: 11 components, 49.2K (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) www.csie.ntu.edu.tw: 1 component, 0.2K (0.2K GZip) 2005.icos.org.tw: 1 component, 0.0K www.worldvision.org.tw: 1 component, 2.9K volunteer.nyc.gov.tw: 1 component, 0.0K static.ak.facebook.com: 1 component, 25.4K (25.4K GZip) s-static.ak.facebook.com: 1 component, 25.4K (25.4K GZip) | 
| Configure entity tags (ETags) | 89 | There is 1 component with misconfigured ETags | http://www.worldvision.org.tw/images/wvtLOGOS.gif | 
| 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 17 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 http://www.csie.ntu.edu.tw/~train/csie4.jpg http://2005.icos.org.tw/images/logo.jpg http://images.ptt.cc/links.orbis.jpg http://www.worldvision.org.tw/images/wvtLOGOS.gif http://volunteer.nyc.gov.tw/logo/apecweb_logo.jpg http://images.ptt.cc/links.look.jpg | 
| Too much javascript compared to text content | 0 | The content of the page concist of 93.66% javascript, that is too much. | 
| type | value | 
|---|---|
| javascript | 4 | 
| css | 2 | 
| images | 6 | 
| css images | 7 | 
| font | 0 | 
| requests | 23 | 
| request cached | 20 | 
| doc size | 9.1 kb | 
| page size | 216.6 kb | 
| js size | 133.7 kb | 
| css size | 17.1 kb | 
| image size | 28.2 kb | 
| css image size | 7.2 kb | 
| content weight that are js files | 83.6 % | 
| content weight that are css files | 10.7 % | 
| page weight cached | 27.8 kb | 
| load time | 999 ms | 
| spof | 0 | 
| sync js in head | 0 |