Web Page Speed Report
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| URL: | http://www.lut.fi/fi/ |
|---|
| Title: | Lappeenrannan teknillinen yliopisto |
|---|
| Date: | Report run on Fri Apr 11 09:01:23CDT2008
|
|---|
Diagnosis
Global Statistics
| Total HTTP Requests: | 54 |
| Total Size: | 366232 bytes |
Object Size Totals
| Object type | Size (bytes) | Download @ 56K (seconds) | Download @ T1 (seconds) |
|---|
| HTML: | 35364 |
7.25 |
0.39 |
| HTML Images: | 205783 |
46.41 |
6.49 |
| CSS Images: | 61878 | 16.33 |
4.33 |
| Total Images: | 267661 |
62.74 |
10.82 |
| Javascript: | 25581 |
5.70 |
0.74 |
| CSS: | 9835 |
2.36 |
0.45 |
| Multimedia: | 27791 |
5.74 |
0.35 |
| Other: | 0 |
0.00 |
0.00 |
External Objects
| External Object | QTY |
|---|
| Total HTML: | 1 |
| Total HTML Images: | 27 |
| Total CSS Images: | 20 |
| Total Images: | 47 |
| Total Scripts: | 3 |
| Total CSS imports: | 2 |
| Total Frames: | 0 |
| Total Iframes: | 0 |
Download Times*
| Connection Rate | Download Time |
|---|
| 14.4K |
294.65 seconds |
| 28.8K |
152.72 seconds |
| 33.6K |
132.45 seconds |
| 56K |
83.79 seconds |
| ISDN 128K |
33.15 seconds |
| T1 1.44Mbps |
12.74 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 54 total objects for this page, that computes to a total lag time due to latency of 10.8 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 54 - 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 - Warning! The total number of images on this page
is 47 , consider reducing this to a more reasonable
number. Combine, refine, and optimize your graphics. Replace graphic
rollovers with CSS rollovers to speed display and minimize HTTP
requests.
- TOTAL_CSS - Congratulations, the total number of external CSS files on this page is 2 . Because external CSS files must
be in the HEAD of your HTML document, they must load first before any BODY content displays. Although they are cached, CSS files slow down
the initial display of your page.
- TOTAL_MULTIM - Congratulations, the total number of external multimedia files on this page is 1 .
- TOTAL_SIZE - Warning! The total size of this page is
366232 bytes, which will load in 83.79 seconds
on a 56Kbps modem. Consider reducing total page size to less than
30K to achieve sub eight second response times on 56K connections.
Pages over 100K exceed most attention thresholds at 56Kbps, even with
feedback. Consider contacting us about our optimization services.
- TOTAL_SCRIPT - Caution. The total number of external script
files on this page is 3 , consider reducing this to one
or two. Combine, refine, and optimize your external script files.
Ideally you should have one (or even embed scripts for high-traffic
pages) on your pages.
- HTML_SIZE - Caution. The total size of this HTML file is
35364 bytes, which is above 20K but below 100K. With a 10K ad
and a logo this means that your page will load in over 8.6 seconds.
Consider optimizing your HTML and eliminating unnecessary features.
To give your users feedback, consider layering your page or using
positioning to display useful content within the first two seconds.
- IMAGES_SIZE - Warning! The total size of your images is
267661 bytes, which is over 30K. Consider optimizing your
images for size, combining them, and replacing graphic rollovers with
CSS.
- SCRIPT_SIZE - Warning! The total size of external your scripts is
25581 bytes, which is over 8K. Consider optimizing your
scripts for size, combining them, and using compression where
appropriate for any scripts placed in the HEAD of your documents.
- CSS_SIZE - Warning! The total size of your external CSS is
9835 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 - Warning! The total size of your external
multimedia is 27791 bytes, which is over 20K. Consider
optimizing your multimedia files for size, or replacing them with
lower-bandwidth alternatives, or eliminating them altogether.
