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Web Page Speed Report
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| URL: | http://www.jyu.fi/ |
|---|---|
| Title: | Etusivu — Jyväskylän yliopisto - University of Jyväskylä |
| Date: | Report run on Fri Apr 11 07:23:55CDT2008 |
Diagnosis
Global Statistics
| Total HTTP Requests: | 122 |
| Total Size: | 415765 bytes |
Object Size Totals
| Object type | Size (bytes) | Download @ 56K (seconds) | Download @ T1 (seconds) |
|---|---|---|---|
| HTML: | 48492 | 9.86 | 0.46 |
| HTML Images: | 11842 | 3.16 | 0.86 |
| CSS Images: | 56030 | 33.57 | 22.70 |
| Total Images: | 67872 | 36.73 | 23.56 |
| Javascript: | 113333 | 22.79 | 0.80 |
| CSS: | 186068 | 37.88 | 1.79 |
| 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: | 112 |
| Total Images: | 116 |
| Total Scripts: | 1 |
| Total CSS imports: | 4 |
| Total Frames: | 0 |
| Total Iframes: | 0 |
Download Times*
| Connection Rate | Download Time |
|---|---|
| 14.4K | 346.64 seconds |
| 28.8K | 185.52 seconds |
| 33.6K | 162.50 seconds |
| 56K | 107.26 seconds |
| ISDN 128K | 49.78 seconds |
| T1 1.44Mbps | 26.60 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 122 total objects for this page, that computes to a total lag time due to latency of 24.4 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 122 - 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 116 , 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 - Caution. The total number of external CSS files on this page is 4 , 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 - Warning! The total size of this page is 415765 bytes, which will load in 107.26 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 - 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 - Caution. The total size of this HTML file is 48492 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 67872 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 113333 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 186068 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.
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