Details for http://www.imdb.com/title/tt15...

D (67)
Current YSlow grade: D (67)
B (86)
Current Page Speed score: B (86)

Measurements over time

Page Size (in bytes); Page Load time (YSlow) (in ms); Total Requests; YSlow Grade (0-100); Page Speed Grade (0-100); Page Load time (Page Speed) (in ms);

YSlow breakdown

Basic measurements
Overall rank D (67%)
Page Size448514 bytes
Amount of requests with empty cache115Page Load time0 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 A (100%)
Put JavaScript at bottom A (95%)
Avoid CSS expressions A (100%)
Make JavaScript and CSS external F (0%)
Reduce DNS lookups F (0%)
Minify JavaScript and CSS C (70%)
Avoid URL redirects A (100%)
Remove duplicate JavaScript and CSS A (100%)
Configure entity tags (ETags) D (67%)
Make AJAX cacheable A (100%)
Use GET for AJAX requests A (100%)
Reduce the number of DOM elements B (89%)
Avoid HTTP 404 (Not Found) error A (100%)
Reduce cookie size A (100%)
Use cookie-free domains A (100%)
Avoid AlphaImageLoader filter B (84%)
Do not scale images in HTML A (95%)
Make favicon small and cacheable A (100%)

Page Speed breakdown

Basic measurements
Page size19126 bytesPage load time6632 ms
Transfer size of all resources398956 bytesTotal Requests144
Overall grade B (86%)
Optimize caching
Leverage browser caching E (59%)
Leverage proxy caching A (98%)
Minimize round-trip times
Minimize DNS lookups C (75%)
Minimize redirects E (50%)
Avoid bad requests A (100%)
Combine external JavaScript F (22%)
Combine external CSS A (100%)
Combine images using CSS sprites A (100%)
Optimize the order of styles and scripts A (100%)
Avoid document.write F (0%)
Avoid CSS @import A (100%)
Prefer asynchronous resources B (85%)
Parallelize downloads across hostnames F (0%)
Minimize request overhead
Minimize request size A (99%)
Serve static content from a cookieless domain F (0%)
Minimize payload size
Enable compression A (99%)
Remove unused CSS A (100%)
Minify JavaScript A (99%)
Minify CSS A (100%)
Minify HTML A (99%)
Defer loading of JavaScript F (0%)
Optimize images A (100%)
Serve scaled images A (100%)
Serve resources from a consistent URL E (59%)
Optimize browser rendering
Use efficient CSS selectors F (0%)
Put CSS in the document head A (100%)
Specify image dimensions A (100%)
Specify a character set early A (100%)

YSlow measurements history (csv)

Page Speed measurements history (csv)