1.5 sec in total
17 ms
1.3 sec
146 ms
Welcome to sfballet.org homepage info - get ready to check Sf Ballet best content for United States right away, or after learning these important things about sfballet.org
Experience world class dance with San Francisco Ballet. Find out what's happening onstage now at sfballet.org!
Visit sfballet.orgWe analyzed Sfballet.org page load time and found that the first response time was 17 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
sfballet.org performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value49.5 s
0/100
25%
Value18.2 s
0/100
10%
Value2,510 ms
4/100
30%
Value1.42
0/100
15%
Value23.8 s
1/100
10%
17 ms
173 ms
136 ms
51 ms
22 ms
Our browser made a total of 109 requests to load all elements on the main page. We found that 30% of them (33 requests) were addressed to the original Sfballet.org, 36% (39 requests) were made to D2ypq1gviimup.cloudfront.net and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (389 ms) relates to the external source Wd-edge.sharethis.com.
Page size can be reduced by 872.8 kB (60%)
1.4 MB
572.6 kB
In fact, the total size of Sfballet.org main page is 1.4 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. 50% of websites need less resources to load. Javascripts take 957.4 kB which makes up the majority of the site volume.
Potential reduce by 80.9 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 31.5 kB, which is 35% 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 80.9 kB or 90% of the original size.
Potential reduce by 23.6 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. Sf Ballet images are well optimized though.
Potential reduce by 683.0 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 683.0 kB or 71% of the original size.
Potential reduce by 85.4 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. Sfballet.org needs all CSS files to be minified and compressed as it can save up to 85.4 kB or 83% of the original size.
Number of requests can be reduced by 70 (69%)
102
32
The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sf 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 37 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
sfballet.org
17 ms
www.sfballet.org
173 ms
jquery.min.js
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prototype.js
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scriptaculous.js
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stylesheet.css
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homeSlideshow.css
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holidaychallenge.css
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mp.css
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stylesheet_quickmenu.css
171 ms
lightbox.css
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l2_lightbox.css
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lDialog-451.css
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lDialog.css
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javascript.js
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erube.js
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swfobject.js
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fullSizeBackgroundImage.js
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quickmenu.js
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lightbox.js
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functions.js
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lDialog-451.js
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syosEmbed.js
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homeSlideshow.js
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functions.js
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EventHelpers.js
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TypeHelpers.js
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environment-config.js
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all.min.js
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151554192.js
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Bootstrap.js
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BrightcoveExperiences.js
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cwd8qep.js
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buttons.js
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builder.js
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effects.js
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dragdrop.js
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controls.js
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slider.js
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sound.js
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script.js
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serverComponent.php
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analytics.js
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logo.png
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instagram_icon_21.png
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pinterest_chicklet.png
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icon_21_youtube.png
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icon_21_twitter.png
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bg_searchbox.png
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bg.png
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navBg.png
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Swan-Lake-Symposium-Mini-Cal.jpg
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Coppelia-Trailer-Homepage-Tab.jpg
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getAllAppDefault.esi
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navRight.gif
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navItemOn.gif
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fbevents.js
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ecommerce.js
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activityi;src=4380797;type=count0;cat=sitev0;num=8304900326766.073;ord=1
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activityi;src=4380797;type=count0;cat=pagev0;ord=2550397841259.837
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getSegment.php
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t.dhj
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hbpix
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cm
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s-3271.xgi
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img;m=11022203137504;cache=
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nr-852.min.js
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sfballet.org 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.
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
sfballet.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
sfballet.org 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
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfballet.org 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 Sfballet.org 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.
sfballet.org
Open Graph description is not detected on the main page of Sf 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: