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Web Page Speed Report

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URL:http://www.tut.fi/public/
Title:Tampereen teknillinen yliopisto
Date:Report run on Fri Apr 11 14:55:36CDT2008

Diagnosis

Global Statistics

Total HTTP Requests:16
Total Size:71096 bytes

Object Size Totals

Object typeSize (bytes)Download @ 56K (seconds)Download @ T1 (seconds)
HTML:17989 3.79 0.30
HTML Images:30682 8.71 2.76
CSS Images:0 0.00 0.00
Total Images:30682 8.71 2.76
Javascript:22425 4.87 0.52
CSS:0 0.00 0.00
Multimedia:0 0.00 0.00
Other:0 0.00 0.00

External Objects

External ObjectQTY
Total HTML:1
Total HTML Images:13
Total CSS Images:0
Total Images:13
Total Scripts:2
Total CSS imports:0
Total Frames:0
Total Iframes:0

Download Times*

Connection RateDownload Time
14.4K 58.30 seconds
28.8K 30.75 seconds
33.6K 26.82 seconds
56K 17.37 seconds
ISDN 128K 7.54 seconds
T1 1.44Mbps 3.58 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 16 total objects for this page, that computes to a total lag time due to latency of 3.2 seconds. Note also that this download time calculation does not take into account delays due to XHTML parsing and rendering.

Page Objects

QTYSIZE#TYPEURL
1 17989 HTML http://www.tut.fi/public/
1 15320 IMG http://www.tut.fi/public/images/fl2003/fi/bg-front-top2-2.jpg
1 14396 SCRIPT http://eu1.snoobi.com/snoop.php?tili=tut_fi
1 8029 SCRIPT http://www.tut.fi/public/js/AC_RunActiveContent.js
1 5430 IMG http://www.tut.fi/public/images/fl2003/bg-front-top2-1.gif
1 3413 IMG http://www.tut.fi/files/banners/avoin_yliopisto.jpg
1 2603 IMG http://www.tut.fi/files/banners/hakuinfo.jpg
1 1600 IMG http://www.tut.fi/files/banners/fuksitesti.jpg
1 1153 IMG http://www.tut.fi/public/images/fl2003/bg-front-right1.gif
1 502 IMG http://www.tut.fi/public/images/fl2003/fi/titlebar-events.gif
1 312 IMG http://www.tut.fi/public/images/fl2003/fi/titlebar-news.gif
6 132 IMG http://www.tut.fi/public/images/fl2003/bullet2.gif
2 65 IMG http://www.tut.fi/public/images/fl2003/bullet3.gif
2 55 IMG http://www.tut.fi/public/images/fl2003/bullet6b.gif
9 54 IMG http://www.tut.fi/public/images/fl2003/bullet1.gif
53 43 IMG http://www.tut.fi/images/no.gif
16 ^ 71096*   Total (^unique 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 16 - 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 13 , 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_SIZE - Caution. The total size of this page is 71096 bytes, which will load in over 8 seconds on a 56Kbps modem - or 17.37 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 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 17989 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 - Caution. The total size of all your images is 30682 bytes, which exceeds 15K. Consider optimizing and creatively cropping your images, and combining them where appropriate. Even better, replace graphic text and form controls with styled text to eliminate unnecessary HTTP requests. Ideally each image should be less than 1160 bytes, to easily fit into one TCP-IP packet.
  • SCRIPT_SIZE - Warning! The total size of external your scripts is 22425 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 - Congratulations, the total size of all your external multimedia files is 0 bytes, which is less than 4K.