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courses.cat.org.uk: Short Courses - Centre for Alternative Technology

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

Page load speed analysis

  • 55/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    673 ms

  • Resources loaded

    3.3 sec

  • Page rendered

    223 ms

  • Total page load time

    4.1 sec

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 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 55% of websites can load faster.

Page optimization

  • HTML 31.1 kB
    Images 1.8 MB
    Javascripts 562.3 kB
    CSS 93.8 kB

    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. 35% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

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

    HTML optimization

    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.

    • Original 1.8 MB
    • After optimization 1.8 MB

    Image optimization

    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.

    • Original 562.3 kB
    • After minification 546.0 kB
    • After compression 172.9 kB

    JavaScript optimization

    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 389.4 kB or 69% of the original size.

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

    CSS optimization

    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.

Network requests diagram

  • courses.cat.org.uk
  • vmsite-ltr.css
  • modal.css
  • short_courses_front_page.css
  • lofslider_layout.css
  • lofslider_style.css
  • vmpanels.css
  • jquery.min.js
  • jquery-ui.min.js
  • jquery.ui.autocomplete.html.js
  • jquery.noConflict.js
  • core.js
  • vmsite.js
  • mootools-core.js
  • modal.js
  • jquery.easing.js
  • script.js
  • mootools-more.js
  • tabs.js
  • validate.js
  • system.css
  • general.css
  • template.css
  • jquery.js
  • script.js
  • system.css
  • ga.js
  • page_t.jpg
  • topmenu_bg.png
  • cat_logo.png
  • sheet_b.png
  • sheet_t.png
  • sheet.png
  • nav.png
  • menuseparator.png
  • menuitem.png
  • featured_course_bar.jpg
  • load-indicator.gif
  • zcb_course.jpg
  • transparent_bg4.png
  • joints1.jpg
  • turbine&sun.jpg
  • wooden%20arch.jpg
  • basket%20hands.jpg
  • casting%20hempcrete%20as%20timber%20frame%20infill%20panels.jpg
  • sus1.jpg
  • burning3.jpg
  • teaching3.jpg
  • horse25.jpg
  • transparent_bg.png
  • greybgv2.jpg
  • WISE_building_small.jpg
  • teach1_198x90.jpg
  • greybgh2.jpg
  • lg-share-en.gif
  • facebook_cat.png
  • twitter.png
  • cat_blog.png
  • cat_you_tube.png
  • cat_flickr.png
  • __utm.gif
  • footer_b.png
  • footer.png
  • piwik.js
  • piwik.js
  • piwik.php

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.

Additional info on courses.cat.org.uk

Requests

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.

17

Javascripts

36

Images

10

CSS

63

All

Possible request optimization

1

Javascripts

26

Images

1

CSS

35

Optimized

28

All

Normal result

IP address

Courses.cat.org.uk uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

courses.cat.org.uk

content.cat.org.uk

cat.org.uk

blog.cat.org.uk

gse.cat.org.uk

206.189.247.119

DNS records

Type Host Target/ip TTL Other
A

courses.cat.org.uk

206.189.247.119 53

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

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.

HTTPS certificate

SSL Certificate

Courses.cat.org.uk has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 47.3% of all visits is United Kingdom. It lies approximately 3330 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Courses.cat.org.uk page load time for the majority of users is moving the server to United Kingdom or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

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:

courses.cat.org.uk

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