A Brief History of The Stirling Engine
www.stirlingengines.co.za/
A Brief History of the Stirling Engine, designed by Reverend Robert Stirling in 1876.
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URL
Domain : www.stirlingengines.co.za/
Character length : 26
Title
A Brief History of The Stirling Engine
Description
A Brief History of the Stirling Engine, designed by Reverend Robert Stirling in 1876.
Keywords (meta keywords)
Stirling Engine, Robert Stirling, Stirling Engine History
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Error! Not all URLs are SEO friendly on this website!
- http://www.stirlingengines.co.za/index.php?page=shop.cart&option=com_virt... ("Show Cart")
- http://www.stirlingengines.co.za/index.php?option=com_content&view=articl... ("Home")
- http://www.stirlingengines.co.za/index.php?option=com_virtuemart&Itemid=6... ("Products")
- http://www.stirlingengines.co.za/index.php?option=com_content&view=articl... ("History")
- http://www.stirlingengines.co.za/index.php?option=com_contact&view=catego... ("Contact Us")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KT09T Thermoacoustic Twin Piston Stirling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KT09 Thermoacoustic Single Piston Stirling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KSF22 Stove Fan")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS90 Twin Low Temperature Differential Striling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS90 Solar Low Temperature Differential Striling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS90 Solar Inverted Low Temperature Differential Striling Engin")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS90 Polished Low Temperature Differential Striling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS90 Low Temperature Differential Striling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KS80 Solar Low Temperature Differential Striling Engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate... ("KB09 Beam Stirling engine")
- http://www.stirlingengines.co.za/index.php?page=shop.product_details&cate...
- http://www.stirlingengines.co.za/index.php?view=article&catid=41:stirling...
- http://www.stirlingengines.co.za/index.php?view=article&catid=41:stirling...
- http://www.stirlingengines.co.za/index.php?option=com_mailto&tmpl=compone...
- http://www.stirlingengines.co.za/index.php?page=shop.browse&category_id=1... ("Low Temperature Differential Stirling Engines")
- http://www.stirlingengines.co.za/index.php?page=shop.browse&category_id=1... ("High Temperature Differential Stirling Engines")
- http://www.stirlingengines.co.za/index.php?page=shop.browse&category_id=1... ("Thermo-acoustic Stirling Engines")
- http://www.stirlingengines.co.za/index.php?page=shop.browse&category=&opt... ("List All Products")
- http://www.stirlingengines.co.za/index.php?option=com_virtuemart&page=sho... ("Advanced Search")
- http://www.stirlingengines.co.za/index.php?option=com_user&view=reset ("Lost Password?")
- http://www.stirlingengines.co.za/index.php?option=com_user&view=remind ("Forgot your username?")
- http://www.stirlingengines.co.za/index.php?option=com_virtuemart&page=sho... ("Register")
- http://www.stirlingengines.co.za/index.php?page=shop.downloads&option=com... ("Download Area")
- http://www.stirlingengines.co.za/index.php?option=com_content&view=articl... ("About Us")
- http://www.stirlingengines.co.za/index.php?option=com_content&view=articl... ("Community")
- http://www.stirlingengines.co.za/index.php?option=com_contact&Itemid=18 ("Contact Us")
- Expand
Checking the robots.txt file
There is robots.txt file.
https://stirlingengines.co.za/robots.txt
https://stirlingengines.co.za/robots.txt
User-agent | Disallowed for the search engines |
---|---|
* |
|
Social Engagement
No info found.
Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
A Brief History of The Stirling Engine
Character length : 38
Good! The title’s length is between 10 and 70 characters.
Character length : 38
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 17%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
H1 | H2 | H3 | H4 | H5 | H6 |
---|---|---|---|---|---|
1 | 0 | 6 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> Stirling Engines
- <H3> Your Shopping Cart
- <H3> Random Products
- <H3> Top Ten Products
- <H3> Latest Products
- <H3> Our Store
- <H3> Currency Selector
Word cloud
- stirling33
- engine28
- engines23
- temperature17
- low16
- differential14
- professor9
- power7
- piston6
- striling6
- gas6
- displacer6
- senft5
- products5
- main4
- skip4
- thermoacoustic4
- all4
- very4
- heat4
- kolin4
- between3
- inside3
- designed3
- design3
- countries3
- take3
- chamber3
- difference3
- ran3
- continued3
- device3
- working3
- end3
- fan3
- solar3
- twin3
- history3
- cart3
- robert3
- stove3
- being2
- investigated2
- james2
- ivo2
- scotland2
- demonstrated2
- university2
- early2
- work2
- applied2
- theoretical2
- high2
- inverted2
- carnot2
- efficiency2
- forth2
- back2
- powered2
- first2
Keyword matrix
word | title | descriptions | heading |
---|---|---|---|
stirling | |||
engine | |||
engines | |||
temperature | |||
low | |||
differential |
Two Word cloud
- temperature differential11
- low temperature8
- stirling engine6
- stirling engines4
- this engine3
- piston stirling3
Three Word cloud
- low temperature differential3
- stirling engines are3
- thermoacoustic twin piston2
- temperature differential striling2
404 Page
The website has no standard 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 26 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Server response time
The server response time is not fast enough: 1.1 seconds have passed until the page started to load.
Table layout
Error! Avoid using nested tables!
Number of HTTP resources
16
Number of source domains
6
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- https://stirlingengines.co.za/wp-includes/js/jquery/jquery.js
- https://stirlingengines.co.za/.. /modernizr-custom.js
- https://cdn.jsdelivr.net/jquery.url.parser/2.3.1/purl.min.js
- https://cdn.jsdelivr.net/jquery.cookie/1.4.1/jquery.cookie.min.js
- https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js
- https://cdnjs.cloudflare.com/.. /jquery.fitvids.min.js
- https://stirlingengines.co.za/.. /scripts.js
- https://maxcdn.bootstrapcdn.com/.. /bootstrap.min.css
- https://stirlingengines.co.za/.. /style.css
- https://cdnjs.cloudflare.com/.. /animate.min.css
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.stirlingengines.co.za/media/system/js/mootools.js
- http://www.stirlingengines.co.za/media/system/js/caption.js
- http://www.stirlingengines.co.za/components/com_virtuemart/fetchscript.php?gzip=0&subdir[0]=/themes/ja_larix&file[0]=theme.js&subdir[1]=/js/mootools&file[1]=mootools-release-1.11.js&subdir[2]=/js/mootools&file[2]=mooPrompt.js
- http://www.stirlingengines.co.za/modules/mod_ja_vmproductslide/ja_vmproductslide/ja.vmproductslide.js
- http://www.stirlingengines.co.za/templates/ja_larix/scripts/vm_stuff.js
File size of all javascript files combined
813.65KB
Javascript minifying
Great! The Javascript files are minified.
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.stirlingengines.co.za/modules/mod_ja_vmproductslide/ja_vmproductslide/ja.vm.css
- http://www.stirlingengines.co.za/templates/system/css/system.css
- http://www.stirlingengines.co.za/templates/system/css/general.css
- http://www.stirlingengines.co.za/templates/ja_larix/css/editor.css
- http://www.stirlingengines.co.za/templates/ja_larix/css/template_css.css
- http://www.stirlingengines.co.za/templates/ja_larix/css/ja-vm.css
- http://www.stirlingengines.co.za/templates/ja_larix/css/ja-news.css
- http://www.stirlingengines.co.za/components/com_virtuemart/fetchscript.php?gzip=0&subdir[0]=/themes/ja_larix&file[0]=theme.css&subdir[1]=/js/mootools&file[1]=mooPrompt.css
File size of all css files combined
209.89KB
CSS minifying
You can save 3.7KB (41% compression) on the analysed URL by minifying the CSS files.
- By minifying https://stirlingengines.co.za/.. /style.css you can save 3.7KB (41% compression rate)
Uncompressed size of the of the HTML
17.75KB
Gzip compression
Your site uses compression.
Number of static resources (image, JS, CSS)
13
Browser cache
The browser cache is not set correctly for all elements.
URL | Duration |
---|---|
https://stirlingengines.co.za/.. /modernizr-custom.js | 4 hours |
https://stirlingengines.co.za/.. /scripts.js | 4 hours |
https://stirlingengines.co.za/.. /style.css | 4 hours |
https://stirlingengines.co.za/.. /stirling-engine_1920.jpg | 4 hours |
https://stirlingengines.co.za/wp-includes/js/jquery/jquery.js | 4 hours |
File size of all images combined
121.71KB
Image optimisation
All images are optimized.
We found a total of 48 different links.
Internal links: 46
External links: 2
Internal links: 46
External links: 2
External links:
Link text (anchor) | Link strength |
---|---|
JoomlArt.com | |
Joomla! |
Internal links:
IP
196.33.227.28
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.
Favicon
Good! The website uses favicon.
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