Details for https://www.emsadsupport.nsw....

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C (78)
Current YSlow grade: C (78)
 D (68)
Current Page Speed score: D (68)

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Measurements over time

YSlow metrics
Basic measurements
C (78%)
282KB
18 0 ms
Best practices
Make fewer HTTP requests B (85%)
Use a Content Delivery Network (CDN) F (0%)
Add Expires headers F (0%)
Avoid Empty Image src A (100%)
Compress components with gzip F (34%)
Put CSS at top A (100%)
Put JavaScript at bottom A (90%)
Avoid CSS expressions A (100%)
Make JavaScript and CSS external F (0%)
Reduce DNS lookups A (100%)
Minify JavaScript and CSS A (90%)
Avoid URL redirects A (100%)
Remove duplicate JavaScript and CSS A (100%)
Configure entity tags (ETags) F (0%)
Make AJAX cacheable A (100%)
Use GET for AJAX requests A (100%)
Reduce the number of DOM elements A (100%)
Avoid HTTP 404 (Not Found) error A (90%)
Reduce cookie size A (100%)
Use cookie-free domains A (100%)
Avoid AlphaImageLoader filter A (100%)
Do not scale images in HTML A (100%)
Make favicon small and cacheable A (100%)
Page Speed metrics
Basic measurements
282KB 4813 ms
282KB 18
D (68%)
Optimize caching
Leverage browser caching F (0%)
Leverage proxy caching A (100%)
Remove query strings from static resources A (100%)
Specify a Vary: Accept-Encoding header B (80%)
Minimize round-trip times
Minimize DNS lookups n/a Minimize redirects A (100%)
Avoid bad requests F (44%)
Combine external JavaScript n/a
Combine external CSS n/a Combine images using CSS sprites A (100%)
Optimize the order of styles and scripts A (100%)
Avoid document.write n/a
Avoid CSS @import A (100%)
Prefer asynchronous resources A (100%)
Parallelize downloads across hostnames n/a
Minimize request overhead
Minimize request size A (100%)
Serve static content from a cookieless domain n/a
Minimize payload size
Enable compression F (0%)
Remove unused CSS E (53.9%)
Minify JavaScript A (96%)
Minify CSS F (8%)
Minify HTML A (100%)
Defer loading of JavaScript n/a
Optimize images A (94%)
Serve scaled images A (100%)
Serve resources from a consistent URL A (100%)
Optimize browser rendering
Use efficient CSS selectors A (93%)
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)