Web Page Speed Report
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| URL: | http://www.siba.fi/sv/ |
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| Title: | Sibelius-Akademin - Hemsida |
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| Date: | Report run on Fri Apr 11 17:47:47CDT2008
|
|---|
Diagnosis
Global Statistics
| Total HTTP Requests: | 12 |
| Total Size: | 74091 bytes |
Object Size Totals
| Object type | Size (bytes) | Download @ 56K (seconds) | Download @ T1 (seconds) |
|---|
| HTML: | 4509 |
1.10 |
0.22 |
| HTML Images: | 39735 |
8.72 |
1.01 |
| CSS Images: | 19858 | 4.56 |
0.71 |
| Total Images: | 59593 |
13.28 |
1.72 |
| Javascript: | 1600 |
0.52 |
0.21 |
| CSS: | 8389 |
2.27 |
0.64 |
| Multimedia: | 0 |
0.00 |
0.00 |
| Other: | 0 |
0.00 |
0.00 |
External Objects
| External Object | QTY |
|---|
| Total HTML: | 1 |
| Total HTML Images: | 4 |
| Total CSS Images: | 3 |
| Total Images: | 7 |
| Total Scripts: | 1 |
| Total CSS imports: | 3 |
| Total Frames: | 0 |
| Total Iframes: | 0 |
Download Times*
| Connection Rate | Download Time |
|---|
| 14.4K |
59.82 seconds |
| 28.8K |
31.11 seconds |
| 33.6K |
27.01 seconds |
| 56K |
17.17 seconds |
| ISDN 128K |
6.92 seconds |
| T1 1.44Mbps |
2.79 seconds |
*Note that these download times are based on the full connection rate for ISDN and T1 connections. Modem connections (56Kbps or less) are corrected by a packet loss factor of 0.7. All download times include delays due to round-trip latency with an average of 0.2 seconds per object. With 12 total objects for this page, that computes to a total lag time due to latency of 2.4 seconds. Note also that this download time calculation does not take into account delays due to XHTML parsing and rendering.
Page Objects
# This site is not using HTTP compression, otherwise called content encoding using gzip. Consider compressing your textual content (XHTML, JavaScript, etc.) with mod_gzip or similar products.
* CSS alternate stylesheets may be referenced in the HTML but are not actually downloaded until they are needed and are therefore not included in the total page size.
Analysis and Recommendations
- TOTAL_HTML - Congratulations, the total number of HTML files on this page
(including the main HTML file) is 1 which most browsers can
multithread. Minimizing HTTP requests is key for web site
optimization.
- TOTAL_OBJECTS - Warning! The total number of objects on this
page is 12 - consider reducing this to a more
reasonable number. Combine, refine, and optimize your external
objects. Replace graphic rollovers with CSS rollovers to speed
display and minimize HTTP requests.
- TOTAL_IMAGES - Caution. You have a moderate amount of images on
this page (7 ). Consider using fewer images on the site
or try reusing the same image in multiple pages to take advantage of
caching.
- TOTAL_CSS - Caution. The total number of external CSS files on
this page is 3 , consider reducing this to a more
reasonable number. Combine, refine, and optimize your external CSS
files. Ideally you should have one (or even embed CSS for
high-traffic pages) on your pages.
- TOTAL_SIZE - Caution. The total size of this page is
74091 bytes, which will load in over 8 seconds on a 56Kbps
modem - or 17.17 seconds. Consider reducing total page
size to less than 30K to achieve sub eight second response times on
56K connections. Be sure to provide feedback for pages over 30K by
layering your design to display useful content within the first two
seconds. Consider optimizing your site with Speed Up Your Site or
contacting us about our
optimization services.
- TOTAL_SCRIPT - Congratulations, the total number of external
script files on this page is 1 . External scripts are
less reliably cached than CSS files so consider combining scripts
into one, or even embedding them into high-traffic pages.
- HTML_SIZE - Congratulations, the total size of this HTML file
is 4509 bytes, which less than 20K. Assuming that you specify
the HEIGHT and WIDTH of your images, this size allows your page to
display content in well under 8 seconds, the average time users are
willing to wait for a page to display without feedback.
- IMAGES_SIZE - Warning! The total size of your images is
59593 bytes, which is over 30K. Consider optimizing your
images for size, combining them, and replacing graphic rollovers with
CSS.
- SCRIPT_SIZE - Congratulations, the total size of all your external
scripts is 1600 bytes, which is less than 4080 bytes. This
will fit into three higher-speed TCP-IP packets.
- CSS_SIZE - Warning! The total size of your external CSS is
8389 bytes, which is over 8K. Consider optimizing your CSS for
size by eliminating whitespace, using shorthand notation, and
combining multiple CSS files where appropriate.
- MULTIM_SIZE - Congratulations, the total size of all your
external multimedia files is 0 bytes, which is less than
4K.
