YSlow for Firebug
URL:
http://duguo.com/en/
Performance
Performance Grade: B (85)
A
1. Make fewer HTTP requests
F
2. Use a CDN
You can add your own CDN hostname
preferences
.
These components are not on a CDN:
http://www.google-analytics.com/urchin.js
Params
Headers
Post
Response Headers
Content-Length:6846
Content-Encoding:gzip
Last-Modified:Mon, 20 Apr 2009 04:00:28 GMT
Date:Tue, 28 Apr 2009 12:29:53 GMT
Content-Type:text/javascript
Cache-Control:max-age=604800, public
Server:Golfe
X-Content-Type-Options:nosniff
Age:10
Connection:Keep-Alive
Loading...
http://duguo.com/en/_/s/9428122521/images/xdir_all.gif
Params
Headers
Post
Response Headers
Date:Tue, 28 Apr 2009 11:25:30 GMT
Server:Jetty(6.1.x)
Content-Type:image/gif
Cache-Control:max-age=31536000, public
Last-Modified:Tue, 28 Apr 2009 12:25:30 GMT
Expires:Wed, 02 Jan 2030 13:13:13 GMT
Content-Length:3999
Connection:Keep-Alive
Loading...
http://lh3.ggpht.com/_r7eMO61djbY/SdKaqrQr-uE/AAAAAAAAA3g/IjeXv_VGSGU/s160-c/SaintPatrickSDay.jpg
Params
Headers
Post
Response Headers
Etag:"v378"
Expires:Wed, 29 Apr 2009 12:30:05 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="SaintPatrickSDay.jpg"
Date:Tue, 28 Apr 2009 12:30:05 GMT
Server:fife
Content-Length:8729
Connection:Keep-Alive
Loading...
http://lh4.ggpht.com/_uc8tQP60zb4/Sb_VAU0kpYE/AAAAAAAAB1g/4L0iqamO6k4/s160-c/2009SpringJinYinTai.jpg
Params
Headers
Post
Response Headers
Etag:"v758"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3450.jpg"
Date:Tue, 28 Apr 2009 12:18:57 GMT
Server:fife
Content-Length:9565
Connection:Keep-Alive
Loading...
http://lh3.ggpht.com/_uc8tQP60zb4/Sb_X25XlwaE/AAAAAAAAB1Y/80wf7FfoayI/s160-c/2009SpringChongQing.jpg
Params
Headers
Post
Response Headers
Etag:"v756"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3361.jpg"
Date:Tue, 28 Apr 2009 12:18:56 GMT
Server:fife
Content-Length:9296
Connection:Keep-Alive
Loading...
http://lh6.ggpht.com/.../2009SpringNextGeneration.jpg
Params
Headers
Post
Response Headers
Etag:"v751"
Expires:Wed, 29 Apr 2009 12:30:09 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3323.jpg"
Date:Tue, 28 Apr 2009 12:18:59 GMT
Server:fife
Content-Length:6538
Connection:Keep-Alive
Loading...
F
3. Add an Expires header
These components do not have a far future Expires or cache-control: max-age header:
(4/29/2009)
http://lh3.ggpht.com/_r7eMO61djbY/SdKaqrQr-uE/AAAAAAAAA3g/IjeXv_VGSGU/s160-c/SaintPatrickSDay.jpg
Params
Headers
Post
Response Headers
Etag:"v378"
Expires:Wed, 29 Apr 2009 12:30:05 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="SaintPatrickSDay.jpg"
Date:Tue, 28 Apr 2009 12:30:05 GMT
Server:fife
Content-Length:8729
Connection:Keep-Alive
Loading...
(4/29/2009)
http://lh4.ggpht.com/_uc8tQP60zb4/Sb_VAU0kpYE/AAAAAAAAB1g/4L0iqamO6k4/s160-c/2009SpringJinYinTai.jpg
Params
Headers
Post
Response Headers
Etag:"v758"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3450.jpg"
Date:Tue, 28 Apr 2009 12:18:57 GMT
Server:fife
Content-Length:9565
Connection:Keep-Alive
Loading...
(4/29/2009)
http://lh3.ggpht.com/_uc8tQP60zb4/Sb_X25XlwaE/AAAAAAAAB1Y/80wf7FfoayI/s160-c/2009SpringChongQing.jpg
Params
Headers
Post
Response Headers
Etag:"v756"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3361.jpg"
Date:Tue, 28 Apr 2009 12:18:56 GMT
Server:fife
Content-Length:9296
Connection:Keep-Alive
Loading...
(4/29/2009)
http://lh6.ggpht.com/_uc8tQP60zb4/Sb_YjwqIinE/AAAAAAAAB1E/w5xdMrj4jes/s160-c/2009SpringNextGeneratio[snip]
Params
Headers
Post
Response Headers
Etag:"v751"
Expires:Wed, 29 Apr 2009 12:30:09 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3323.jpg"
Date:Tue, 28 Apr 2009 12:18:59 GMT
Server:fife
Content-Length:6538
Connection:Keep-Alive
Loading...
A
4. Gzip components
A
5. Put CSS at the top
A
6. Put JS at the bottom
A
7. Avoid CSS expressions
n/a
8. Make JS and CSS external
Only consider this if your property is a common user home page.
B
9. Reduce DNS lookups
This page has more than 4 domains.
duguo.com
www.google-analytics.com
lh3.ggpht.com
lh4.ggpht.com
lh6.ggpht.com
A
10. Minify JS
The following JavaScript files do not appear to be obfuscated nor minified.
(6.8K)
http://www.google-analytics.com/urchin.js
Params
Headers
Post
Response Headers
Content-Length:6846
Content-Encoding:gzip
Last-Modified:Mon, 20 Apr 2009 04:00:28 GMT
Date:Tue, 28 Apr 2009 12:29:53 GMT
Content-Type:text/javascript
Cache-Control:max-age=604800, public
Server:Golfe
X-Content-Type-Options:nosniff
Age:10
Connection:Keep-Alive
Loading...
A
11. Avoid redirects
A
12. Remove duplicate scripts
A
13. Configure ETags
Stats
Empty Cache
Primed Cache
5.7K
1
HTML/Text
6.8K
1
JavaScript File
3.9K
1
CSS Image
34.1K
4
Images
50.7K
Total size
7
HTTP requests
5.7K
1
HTML/Text
34.1K
4
Images
39.8K
Total size
5
HTTP requests
Weight graphs:
Cookies: 176 bytes
(61 bytes) __utma=160622120.898959450.1239664989.1240921135.1240921802.5;
(77 bytes) __utmz=160622120.1239664989.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none);
(16 bytes) __utmb=160622120;
(16 bytes) __utmc=160622120;
Components
Type
URL
Expires
Gzip
RespTime
Size
(Ungzip)
ETag
doc
http://duguo.com/en/
gzip
258
5.7K (28.4K)
Params
Headers
Post
Response Headers
Date:Tue, 28 Apr 2009 12:30:03 GMT
Server:Jetty(6.1.x)
Content-Type:text/html; charset=utf-8
Last-Modified:Tue, 28 Apr 2009 12:25:29 GMT
Vary:Accept-Encoding
Content-Encoding:gzip
Content-Length:5744
Via:1.1 duguo.com
Connection:Keep-Alive
Loading...
js
http://www.google-analytics.com/urchin.js
604800s
gzip
43
6.8K (22.6K)
Params
Headers
Post
Response Headers
Content-Length:6846
Content-Encoding:gzip
Last-Modified:Mon, 20 Apr 2009 04:00:28 GMT
Date:Tue, 28 Apr 2009 12:29:53 GMT
Content-Type:text/javascript
Cache-Control:max-age=604800, public
Server:Golfe
X-Content-Type-Options:nosniff
Age:10
Connection:Keep-Alive
Loading...
cssimage
http://duguo.com/en/_/s/9428122521/images/xdir_all.gif
1/2/2030
57
3.9K
Params
Headers
Post
Response Headers
Date:Tue, 28 Apr 2009 11:25:30 GMT
Server:Jetty(6.1.x)
Content-Type:image/gif
Cache-Control:max-age=31536000, public
Last-Modified:Tue, 28 Apr 2009 12:25:30 GMT
Expires:Wed, 02 Jan 2030 13:13:13 GMT
Content-Length:3999
Connection:Keep-Alive
Loading...
image
http://lh3.ggpht.com/_r7eMO61djbY/SdKaqrQr-uE/AAAAAAAAA3g/IjeXv_VGSGU/s160-c/SaintPatrickSDay.jpg
4/29/2009
1870
8.7K
"v378"
Params
Headers
Post
Response Headers
Etag:"v378"
Expires:Wed, 29 Apr 2009 12:30:05 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="SaintPatrickSDay.jpg"
Date:Tue, 28 Apr 2009 12:30:05 GMT
Server:fife
Content-Length:8729
Connection:Keep-Alive
Loading...
image
http://lh4.ggpht.com/_uc8tQP60zb4/Sb_VAU0kpYE/AAAAAAAAB1g/4L0iqamO6k4/s160-c/2009SpringJinYinTai.jpg
4/29/2009
1986
9.5K
"v758"
Params
Headers
Post
Response Headers
Etag:"v758"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3450.jpg"
Date:Tue, 28 Apr 2009 12:18:57 GMT
Server:fife
Content-Length:9565
Connection:Keep-Alive
Loading...
image
http://lh3.ggpht.com/_uc8tQP60zb4/Sb_X25XlwaE/AAAAAAAAB1Y/80wf7FfoayI/s160-c/2009SpringChongQing.jpg
4/29/2009
108
9.2K
"v756"
Params
Headers
Post
Response Headers
Etag:"v756"
Expires:Wed, 29 Apr 2009 12:30:07 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3361.jpg"
Date:Tue, 28 Apr 2009 12:18:56 GMT
Server:fife
Content-Length:9296
Connection:Keep-Alive
Loading...
image
http://lh6.ggpht.com/_uc8tQP60zb4/Sb_YjwqIinE/AAAAAAAAB1E/w5xdMrj4jes/s160-c/2009SpringNextGeneratio[snip]
4/29/2009
1780
6.5K
"v751"
Params
Headers
Post
Response Headers
Etag:"v751"
Expires:Wed, 29 Apr 2009 12:30:09 GMT
Cache-Control:max-age=86400, no-transform
Content-Type:image/jpeg
Content-Disposition:inline;filename="DSCF3323.jpg"
Date:Tue, 28 Apr 2009 12:18:59 GMT
Server:fife
Content-Length:6538
Connection:Keep-Alive
Loading...
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YSlow for FirebugYSlow for Firebug
