Web Page Speed Report - WebSiteOptimization.com
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Web Page Speed Report - WebSiteOptimization.com
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Web Page Speed Report
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| URL: | http://www.helsinki.fi/universitetet/index.html |
|---|---|
| Title: | Helsingfors universitet |
| Date: | Report run on Fri Apr 11 17:04:58CDT2008 |
Diagnosis
Global Statistics
| Total HTTP Requests: | 36 |
| Total Size: | 265118 bytes |
Object Size Totals
| Object type | Size (bytes) | Download @ 56K (seconds) | Download @ T1 (seconds) |
|---|---|---|---|
| HTML: | 9003 | 1.99 | 0.25 |
| HTML Images: | 17175 | 4.62 | 1.29 |
| CSS Images: | 220209 | 49.09 | 6.37 |
| Total Images: | 237384 | 53.71 | 7.66 |
| Javascript: | 8806 | 2.16 | 0.45 |
| CSS: | 0 | 0.00 | 0.00 |
| Multimedia: | 9925 | 2.18 | 0.25 |
| Other: | 0 | 0.00 | 0.00 |
External Objects
| External Object | QTY |
|---|---|
| Total HTML: | 1 |
| Total HTML Images: | 6 |
| Total CSS Images: | 26 |
| Total Images: | 32 |
| Total Scripts: | 2 |
| Total CSS imports: | 0 |
| Total Frames: | 0 |
| Total Iframes: | 0 |
Download Times*
| Connection Rate | Download Time |
|---|---|
| 14.4K | 212.68 seconds |
| 28.8K | 109.94 seconds |
| 33.6K | 95.26 seconds |
| 56K | 60.04 seconds |
| ISDN 128K | 23.38 seconds |
| T1 1.44Mbps | 8.60 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 36 total objects for this page, that computes to a total lag time due to latency of 7.2 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 36 - 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 32 , 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_MULTIM - Congratulations, the total number of external multimedia files on this page is 1 .
- TOTAL_SIZE - Warning! The total size of this page is 265118 bytes, which will load in 60.04 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 2 . 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 9003 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 237384 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 8806 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.
- MULTIM_SIZE - Caution. The total size of your external multimedia files is 9925 bytes, which is between 4K and 20K. Consider optimizing your multimedia and eliminating features to reduce this to a more reasonable size. Or, consider a vector-based format such as Flash or SVG.
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