Details for http://www.nrl.com/

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Current YSlow grade: D (61)

Current Page Speed score: C (79)

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Location: Private First View Only See test history below

repeat view	Location	PageTest
2011-05-19 19:25:41	Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 8	view PageTest report

Basic measurements
Overall rank	D (61%)	Page Size	1934KB
Amount of requests with empty cache	211	Page Load time	0 ms
Best practices
Make fewer HTTP requests	F (0%)	Use a Content Delivery Network (CDN)	F (0%)
Add Expires headers	F (0%)	Avoid Empty Image src	A (100%)
Compress components with gzip	F (0%)	Put CSS at top	B (89%)
Put JavaScript at bottom	A (100%)	Avoid CSS expressions	A (100%)
Make JavaScript and CSS external	F (0%)	Reduce DNS lookups	F (15%)
Minify JavaScript and CSS	B (80%)	Avoid URL redirects	E (50%)
Remove duplicate JavaScript and CSS	A (100%)	Configure entity tags (ETags)	F (0%)
Make AJAX cacheable	A (90%)	Use GET for AJAX requests	A (100%)
Reduce the number of DOM elements	F (49%)	Avoid HTTP 404 (Not Found) error	A (100%)
Reduce cookie size	A (100%)	Use cookie-free domains	F (0%)
Avoid AlphaImageLoader filter	A (100%)	Do not scale images in HTML	B (80%)
Make favicon small and cacheable	A (100%)

Basic measurements
Page size	3488KB	Page load time	18916 ms
Transfer size of all resources	1957KB	Total Requests	213
Overall grade	C (79%)
Optimize caching
Leverage browser caching	F (33%)	Leverage proxy caching	A (96%)
Remove query strings from static resources	A (96%)	Specify a Vary: Accept-Encoding header	A (95%)
Minimize round-trip times
Minimize DNS lookups	n/a	Minimize redirects	B (88%)
Avoid bad requests	A (97%)	Combine external JavaScript	n/a
Combine external CSS	n/a	Combine images using CSS sprites	D (62%)
Optimize the order of styles and scripts	A (100%)	Avoid document.write	n/a
Avoid CSS @import	A (100%)	Prefer asynchronous resources	B (85%)
Parallelize downloads across hostnames	n/a
Minimize request overhead
Minimize request size	A (96%)	Serve static content from a cookieless domain	n/a
Minimize payload size
Enable compression	A (95%)	Remove unused CSS	F (42.5%)
Minify JavaScript	A (90%)	Minify CSS	C (76%)
Minify HTML	A (93%)	Defer loading of JavaScript	n/a
Optimize images	B (88%)	Serve scaled images	A (100%)
Serve resources from a consistent URL	B (87%)
Optimize browser rendering
Use efficient CSS selectors	F (0%)	Put CSS in the document head	F (44%)
Specify image dimensions	F (0%)	Specify a character set early	C (75%)