2.5 sec in total
139 ms
1.9 sec
510 ms
Click here to check amazing National Ballet content. Otherwise, check out these important facts you probably never knew about nationalballet.com
Professional ballet company and school offering complete education for students and teachers in the Cecchetti Method of ballet and dance.
Visit nationalballet.comWe analyzed Nationalballet.com page load time and found that the first response time was 139 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
nationalballet.com performance score
name
value
score
weighting
Value2.3 s
73/100
10%
Value6.6 s
8/100
25%
Value2.3 s
98/100
10%
Value50 ms
100/100
30%
Value0
100/100
15%
Value2.7 s
97/100
10%
139 ms
209 ms
44 ms
68 ms
148 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 82% of them (67 requests) were addressed to the original Nationalballet.com, 5% (4 requests) were made to Appgadgets.com and 2% (2 requests) were made to Yui.yahooapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Code.superstats.com.
Page size can be reduced by 108.7 kB (4%)
2.5 MB
2.4 MB
In fact, the total size of Nationalballet.com 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. 65% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 43.6 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. 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 43.6 kB or 84% of the original size.
Potential reduce by 24.1 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. National Ballet images are well optimized though.
Potential reduce by 22.4 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 22.4 kB or 30% of the original size.
Potential reduce by 18.6 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. Nationalballet.com needs all CSS files to be minified and compressed as it can save up to 18.6 kB or 79% of the original size.
Number of requests can be reduced by 23 (32%)
73
50
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Ballet. 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 from 8 to 1 for CSS and as a result speed up the page load time.
nationalballet.com
139 ms
nationalballet.com
209 ms
css
44 ms
user.js
68 ms
jquery.js
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simplegallery.js
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photo_album.js
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PrebuiltBlockStructure.css
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template.css
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website.css
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icwebsiteelement.css
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dispatcher.html
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addthis_widget.js
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container.css
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combo
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jsapi
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sitesearch.js
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30b
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nationalballet.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Links do not have a discernible name
nationalballet.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
nationalballet.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nationalballet.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nationalballet.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
nationalballet.com
Open Graph description is not detected on the main page of National Ballet. 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: