2 sec in total
87 ms
1.4 sec
564 ms
Visit masterclass.com now to see the best up-to-date Master Class content for United States and also check out these interesting facts you probably never knew about masterclass.com
MasterClass offers online classes created for students of all skill levels. Our instructors are the best in the world.
Visit masterclass.comWe analyzed Masterclass.com page load time and found that the first response time was 87 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.
masterclass.com performance score
name
value
score
weighting
Value2.4 s
70/100
10%
Value4.5 s
36/100
25%
Value9.1 s
13/100
10%
Value5,000 ms
0/100
30%
Value0.008
100/100
15%
Value18.4 s
3/100
10%
87 ms
69 ms
79 ms
198 ms
87 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Masterclass.com, 18% (5 requests) were made to D30b401hznjia8.cloudfront.net and 11% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (591 ms) relates to the external source Connect.facebook.net.
Page size can be reduced by 746.8 kB (64%)
1.2 MB
420.0 kB
In fact, the total size of Masterclass.com main page is 1.2 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. Javascripts take 967.7 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.8 kB or 71% of the original size.
Potential reduce by 955 B
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. Master Class images are well optimized though.
Potential reduce by 678.8 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 678.8 kB or 70% of the original size.
Potential reduce by 38.2 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. Masterclass.com needs all CSS files to be minified and compressed as it can save up to 38.2 kB or 79% of the original size.
Number of requests can be reduced by 9 (43%)
21
12
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Master Class. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
www.masterclass.com
87 ms
application-ce8b016677a3d0ca244464b1c45e8aa1.css
69 ms
css
79 ms
384270155.js
198 ms
application-827f716d0d0cc8ba3a51e8e8c3ae8ee2.js
87 ms
event
149 ms
_dCzxpXzIS3sL-gdJWAP8A.ttf
214 ms
LAQwev4hdCtYkOYX4Oc7nPesZW2xOQ-xsNqO47m55DA.ttf
241 ms
M7no6oPkwKYJkedjB1wqEvesZW2xOQ-xsNqO47m55DA.ttf
264 ms
gtm.js
177 ms
home-page-hero-KS-v2.jpg
163 ms
mc-home-logo-03bebc68bfaae20e434b3cf558e147ca.svg
10 ms
social-icon-sprite-c7693c03ba50ae5c3f2869417af5eba0.png
121 ms
i.js
106 ms
5ffc7e0c56a1618dd521bd58e28043c2c9aa5f7f.1.js
493 ms
all.js
591 ms
icomoon-859eee7968c9c208439092a76112535e.woff
30 ms
analytics.js
92 ms
conversion_async.js
73 ms
fbds.js
186 ms
0608.js
77 ms
61 ms
collect
24 ms
collect
78 ms
iui3
40 ms
46 ms
ga-audiences
19 ms
91 ms
masterclass.com 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
Links do not have a discernible name
masterclass.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
masterclass.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Masterclass.com 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 Masterclass.com 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.
masterclass.com
Open Graph description is not detected on the main page of Master Class. 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: