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courses.cat.org.uk screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

courses.cat.org.uk

Short Courses - Centre for Alternative Technology

Page Load Speed

4.1 sec in total

First Response

673 ms

Resources Loaded

3.3 sec

Page Rendered

223 ms

courses.cat.org.uk screenshot

About Website

Visit courses.cat.org.uk now to see the best up-to-date Courses Cat content for United Kingdom and also check out these interesting facts you probably never knew about courses.cat.org.uk

We offer a wide variety of short courses covering a range of sustainability issues, from renewable energy and building to woodland management and gardening.

Visit courses.cat.org.uk

Key Findings

We analyzed Courses.cat.org.uk page load time and found that the first response time was 673 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

courses.cat.org.uk performance score

0

Network Requests Diagram

courses.cat.org.uk

673 ms

vmsite-ltr.css

173 ms

modal.css

172 ms

short_courses_front_page.css

175 ms

lofslider_layout.css

174 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 77% of them (51 requests) were addressed to the original Courses.cat.org.uk, 5% (3 requests) were made to Cat.org.uk and 5% (3 requests) were made to Support.cat.org.uk. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Courses.cat.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.0 kB (21%)

Content Size

2.5 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courses.cat.org.uk main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.0 kB

  • Original 31.1 kB
  • After minification 25.0 kB
  • After compression 6.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 6.1 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.0 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 54.1 kB

  • Original 1.8 MB
  • After minification 1.8 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Courses Cat images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 362.3 kB

  • Original 536.4 kB
  • After minification 520.1 kB
  • After compression 174.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 362.3 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 78.5 kB

  • Original 93.8 kB
  • After minification 72.8 kB
  • After compression 15.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Courses.cat.org.uk needs all CSS files to be minified and compressed as it can save up to 78.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (56%)

Requests Now

63

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courses Cat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

courses.cat.org.uk

courses.cat.org.uk

673 ms

vmsite-ltr.css

vmsite-ltr.css

173 ms

modal.css

modal.css

172 ms

short_courses_front_page.css

short_courses_front_page.css

175 ms

lofslider_layout.css

lofslider_layout.css

174 ms

lofslider_style.css

lofslider_style.css

175 ms

vmpanels.css

vmpanels.css

249 ms

jquery.min.js

jquery.min.js

32 ms

jquery-ui.min.js

jquery-ui.min.js

52 ms

jquery.ui.autocomplete.html.js

jquery.ui.autocomplete.html.js

339 ms

jquery.noConflict.js

jquery.noConflict.js

341 ms

core.js

core.js

342 ms

vmsite.js

vmsite.js

344 ms

mootools-core.js

mootools-core.js

435 ms

modal.js

modal.js

419 ms

jquery.easing.js

jquery.easing.js

507 ms

script.js

script.js

509 ms

mootools-more.js

mootools-more.js

695 ms

tabs.js

tabs.js

510 ms

validate.js

validate.js

585 ms

system.css

system.css

600 ms

general.css

general.css

674 ms

template.css

template.css

678 ms

jquery.js

jquery.js

770 ms

script.js

script.js

754 ms

system.css

system.css

172 ms

ga.js

ga.js

43 ms

page_t.jpg

page_t.jpg

584 ms

topmenu_bg.png

topmenu_bg.png

89 ms

cat_logo.png

cat_logo.png

168 ms

sheet_b.png

sheet_b.png

175 ms

sheet_t.png

sheet_t.png

179 ms

sheet.png

sheet.png

173 ms

nav.png

nav.png

176 ms

menuseparator.png

menuseparator.png

178 ms

menuitem.png

menuitem.png

245 ms

featured_course_bar.jpg

featured_course_bar.jpg

427 ms

load-indicator.gif

load-indicator.gif

343 ms

zcb_course.jpg

zcb_course.jpg

427 ms

transparent_bg4.png

transparent_bg4.png

346 ms

joints1.jpg

joints1.jpg

605 ms

turbine&sun.jpg

turbine&sun.jpg

678 ms

wooden%20arch.jpg

wooden%20arch.jpg

857 ms

basket%20hands.jpg

basket%20hands.jpg

864 ms

casting%20hempcrete%20as%20timber%20frame%20infill%20panels.jpg

casting%20hempcrete%20as%20timber%20frame%20infill%20panels.jpg

945 ms

sus1.jpg

sus1.jpg

1022 ms

burning3.jpg

burning3.jpg

1122 ms

teaching3.jpg

teaching3.jpg

1092 ms

horse25.jpg

horse25.jpg

1370 ms

transparent_bg.png

transparent_bg.png

1035 ms

greybgv2.jpg

greybgv2.jpg

1120 ms

WISE_building_small.jpg

WISE_building_small.jpg

1190 ms

teach1_198x90.jpg

teach1_198x90.jpg

1290 ms

greybgh2.jpg

greybgh2.jpg

1261 ms

lg-share-en.gif

lg-share-en.gif

441 ms

facebook_cat.png

facebook_cat.png

168 ms

twitter.png

twitter.png

169 ms

cat_blog.png

cat_blog.png

170 ms

cat_you_tube.png

cat_you_tube.png

170 ms

cat_flickr.png

cat_flickr.png

172 ms

__utm.gif

__utm.gif

18 ms

footer_b.png

footer_b.png

1328 ms

footer.png

footer.png

1661 ms

piwik.js

piwik.js

168 ms

piwik.js

piwik.js

438 ms

piwik.php

piwik.php

85 ms

SEO Factors

courses.cat.org.uk SEO score

0

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Courses.cat.org.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Courses.cat.org.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

courses.cat.org.uk

Open Graph description is not detected on the main page of Courses Cat. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: