2 sec in total
23 ms
1.6 sec
350 ms
Visit thegreatcourses.co.uk now to see the best up-to-date The Great Courses content for France and also check out these interesting facts you probably never knew about thegreatcourses.co.uk
The best of the best’ college-level courses on CD, DVD, and Digital formats. Over 500 expertly-produced courses by professors chosen for their ability to teach.
Visit thegreatcourses.co.ukWe analyzed Thegreatcourses.co.uk page load time and found that the first response time was 23 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
thegreatcourses.co.uk performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value49.0 s
0/100
25%
Value34.8 s
0/100
10%
Value5,390 ms
0/100
30%
Value1.031
2/100
15%
Value62.7 s
0/100
10%
23 ms
814 ms
17 ms
17 ms
16 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 89% of them (120 requests) were addressed to the original Thegreatcourses.co.uk, 3% (4 requests) were made to Tags.tiqcdn.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (814 ms) belongs to the original domain Thegreatcourses.co.uk.
Page size can be reduced by 1.7 MB (51%)
3.5 MB
1.7 MB
In fact, the total size of Thegreatcourses.co.uk main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 167.6 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 32.4 kB, which is 16% 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 167.6 kB or 81% of the original size.
Potential reduce by 58.7 kB
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. The Great Courses images are well optimized though.
Potential reduce by 901.5 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 901.5 kB or 77% of the original size.
Potential reduce by 620.5 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. Thegreatcourses.co.uk needs all CSS files to be minified and compressed as it can save up to 620.5 kB or 87% of the original size.
Number of requests can be reduced by 62 (48%)
128
66
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Great Courses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
thegreatcourses.co.uk
23 ms
www.thegreatcourses.co.uk
814 ms
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thegreatcourses.co.uk accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
thegreatcourses.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
thegreatcourses.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thegreatcourses.co.uk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Thegreatcourses.co.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.
thegreatcourses.co.uk
Open Graph description is not detected on the main page of The Great Courses. 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: