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Last measurements
URLs measured
Compare rankings
Alexa Top 100
Blog
Schwag
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Download ShowSlow
Search URLs:
Details for
http://vs.tc/
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Current
YSlow
grade:
A (
100
)
Current
Page Speed
score:
B (
89
)
Run a test using
WebPageTest
and store the results
Location:
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 6
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 7
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 7 dynaTrace
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 8
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 8 dynaTrace
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using IE 9
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using Chrome
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using Firefox
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using Firefox 3.6
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using Chrome Frame IE6
Dulles, VA USA (IE 6-9,Chrome, dynaTrace) using Chrome - Replay
New York, NY USA (IE 8,9,Chrome,Firefox) using IE 8
New York, NY USA (IE 8,9,Chrome,Firefox) using IE 9
New York, NY USA (IE 8,9,Chrome,Firefox) using Chrome
New York, NY USA (IE 8,9,Chrome,Firefox) using Firefox
Asheville, NC USA (IE8,Chrome,Firefox) using IE 8
Asheville, NC USA (IE8,Chrome,Firefox) using Chrome
Asheville, NC USA (IE8,Chrome,Firefox) using Firefox
Chicago, IL USA (IE 7,9,Chrome,Firefox) using IE 7
Chicago, IL USA (IE 7,9,Chrome,Firefox) using IE 9
Chicago, IL USA (IE 7,9,Chrome,Firefox) using Chrome
Chicago, IL USA (IE 7,9,Chrome,Firefox) using Firefox
Kansas City, MO USA (IE8, Chrome) using IE 8
Kansas City, MO USA (IE8, Chrome) using Chrome
San Jose, CA USA (IE 8,9,Chrome,Firefox) using IE 8
San Jose, CA USA (IE 8,9,Chrome,Firefox) using IE 9
San Jose, CA USA (IE 8,9,Chrome,Firefox) using Chrome
San Jose, CA USA (IE 8,9,Chrome,Firefox) using Firefox
Los Angeles, CA USA (IE 7,8,9, Chrome) using IE 7
Los Angeles, CA USA (IE 7,8,9, Chrome) using IE 8
Los Angeles, CA USA (IE 7,8,9, Chrome) using IE 9
Los Angeles, CA USA (IE 7,8,9, Chrome) using Chrome
Montreal, Canada (IE 8,Chrome,Firefox) using IE 8
Montreal, Canada (IE 8,Chrome,Firefox) using Chrome
Montreal, Canada (IE 8,Chrome,Firefox) using Firefox
São Paulo, Brasil (IE 8,Chrome,Firefox) using IE 8
São Paulo, Brasil (IE 8,Chrome,Firefox) using Chrome
São Paulo, Brasil (IE 8,Chrome,Firefox) using Firefox
Gloucester, UK (IE 7) using IE 7
London, UK (IE 7-9, Chrome) using IE 7
London, UK (IE 7-9, Chrome) using IE 8
London, UK (IE 7-9, Chrome) using IE 9
London, UK (IE 7-9, Chrome) using Chrome
Paris, FR (IE 7,8, Chrome) using IE 7
Paris, FR (IE 7,8, Chrome) using IE 8
Paris, FR (IE 7,8, Chrome) using Chrome
Paris, FR (IE 7,8, Chrome) using Firefox
Brussels, BE (IE 8) using IE 8
Amsterdam, NL (IE 7-9, Chrome) using IE 7
Amsterdam, NL (IE 7-9, Chrome) using IE 8
Amsterdam, NL (IE 7-9, Chrome) using IE 9
Amsterdam, NL (IE 7-9, Chrome) using Chrome
Geneva, Switzerland (IE 8) using IE 8
Frankfurt, DE (IE 7-9,Chrome,Firefox) using IE 7
Frankfurt, DE (IE 7-9,Chrome,Firefox) using IE 8
Frankfurt, DE (IE 7-9,Chrome,Firefox) using IE 9
Frankfurt, DE (IE 7-9,Chrome,Firefox) using Chrome
Frankfurt, DE (IE 7-9,Chrome,Firefox) using Firefox
Stockholm, Sweden (IE 8, Chrome) using IE 8
Stockholm, Sweden (IE 8, Chrome) using Chrome
Israel (IE 8, Chrome) using IE 8
Israel (IE 8, Chrome) using Chrome
Moscow, Russia (IE 8) using IE 8
Singapore (IE 8) using IE 8
Hong Kong, China (IE 9,Chrome,Firefox) using IE 9
Hong Kong, China (IE 9,Chrome,Firefox) using Chrome
Hong Kong, China (IE 9,Chrome,Firefox) using Firefox
Taipei, Taiwan (IE 9, Chrome) using IE 9
Taipei, Taiwan (IE 9, Chrome) using Chrome
Jiangsu, China (IE 7,Chrome,Firefox) using IE 7
Jiangsu, China (IE 7,Chrome,Firefox) using Chrome
Jiangsu, China (IE 7,Chrome,Firefox) using Firefox
Shanghai, China (IE 9, Chrome) using IE 9
Shanghai, China (IE 9, Chrome) using Chrome
Seoul, Korea (IE 7,8) using IE 7
Seoul, Korea (IE 7,8) using IE 8
Tokyo, Japan (IE 9, Chrome) using IE 8
Tokyo, Japan (IE 9, Chrome) using IE 9
Tokyo, Japan (IE 9, Chrome) using Chrome
Sydney, Australia (IE 8,Chrome,Firefox) using IE 8
Sydney, Australia (IE 8,Chrome,Firefox) using Chrome
Sydney, Australia (IE 8,Chrome,Firefox) using Firefox
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Measurements over time
Default Metrics
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YSlow
metrics
Basic measurements
Overall rank
A (
100
%)
Page Size
0KB
Amount of requests with empty cache
1
Page Load time
0 ms
Best practices
Make fewer HTTP requests
A (
100
%)
Use a Content Delivery Network (CDN)
A (
100
%)
Add Expires headers
A (
100
%)
Avoid Empty Image src
A (
100
%)
Compress components with gzip
A (
100
%)
Put CSS at top
A (
100
%)
Put JavaScript at bottom
A (
100
%)
Avoid CSS expressions
A (
100
%)
Make JavaScript and CSS external
F (
0
%)
Reduce DNS lookups
A (
100
%)
Minify JavaScript and CSS
A (
100
%)
Avoid URL redirects
A (
100
%)
Remove duplicate JavaScript and CSS
A (
100
%)
Configure entity tags (ETags)
A (
100
%)
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 (
100
%)
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
Page size
377KB
Page load time
2959 ms
Transfer size of all resources
130KB
Total Requests
18
Overall grade
B (
89
%)
Optimize caching
Leverage browser caching
F (
36
%)
Leverage proxy caching
F (
40
%)
Remove query strings from static resources
A (
100
%)
Specify a Vary: Accept-Encoding header
A (
90
%)
Minimize round-trip times
Minimize DNS lookups
n/a
Minimize redirects
A (
100
%)
Avoid bad requests
A (
100
%)
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
A (
100
%)
Remove unused CSS
D (
62
%)
Minify JavaScript
A (
98
%)
Minify CSS
F (
0
%)
Minify HTML
A (
100
%)
Defer loading of JavaScript
n/a
Optimize images
F (
0
%)
Serve scaled images
A (
100
%)
Serve resources from a consistent URL
A (
100
%)
Optimize browser rendering
Use efficient CSS selectors
F (
0
%)
Put CSS in the document head
A (
90
%)
Specify image dimensions
A (
95
%)
Specify a character set early
A (
100
%)
YSlow measurements history (
csv
)
Page Speed measurements history (
csv
)
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