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Welcome to sfjazz.org homepage info - get ready to check SFJAZZ best content for United States right away, or after learning these important things about sfjazz.org
SFJAZZ is a recognized international leader in jazz creation, presentation, and education. SFJAZZ explores the full spectrum of jazz, from the music's origins in the African American community to its ...
Visit sfjazz.orgWe analyzed Sfjazz.org page load time and found that the first response time was 15 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
sfjazz.org performance score
name
value
score
weighting
Value5.7 s
6/100
10%
Value10.0 s
1/100
25%
Value9.4 s
12/100
10%
Value660 ms
46/100
30%
Value0.066
97/100
15%
Value16.9 s
5/100
10%
15 ms
129 ms
125 ms
25 ms
61 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 74% of them (100 requests) were addressed to the original Sfjazz.org, 6% (8 requests) were made to and 4% (5 requests) were made to Match.adsrvr.org. The less responsive or slowest element that took the longest time to load (301 ms) relates to the external source P.typekit.net.
Page size can be reduced by 512.5 kB (32%)
1.6 MB
1.1 MB
In fact, the total size of Sfjazz.org main page is 1.6 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 966.4 kB which makes up the majority of the site volume.
Potential reduce by 60.8 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 60.8 kB or 83% of the original size.
Potential reduce by 21.4 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. SFJAZZ images are well optimized though.
Potential reduce by 206.3 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 206.3 kB or 70% of the original size.
Potential reduce by 224.0 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. Sfjazz.org needs all CSS files to be minified and compressed as it can save up to 224.0 kB or 84% of the original size.
Number of requests can be reduced by 89 (75%)
119
30
The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SFJAZZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 39 to 1 for CSS and as a result speed up the page load time.
sfjazz.org
15 ms
www.sfjazz.org
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script.js
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grid12-960.css
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font-awesome.min.css
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aggregator.css
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node.css
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defaults.css
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system.css
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system-menus.css
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user.css
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content-module.css
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ctools.css
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date.css
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jquery-ui.css
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datepicker.1.7.css
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jquery.timeentry.css
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filefield.css
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nice_menus.css
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nice_menus_default.css
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panels.css
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views_slideshow.css
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farbtastic.css
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calendar.css
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fieldgroup.css
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views.css
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twocol.css
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style.css
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typography.css
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superfish.css
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superfish-navbar.css
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superfish-vertical.css
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fusion-starter-style.css
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jquery.fancybox-1.3.1.css
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module.css
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fancybox.css
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sfjazz.css
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fullcalendar.css
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jplayer.css
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cpc0utl.js
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Bootstrap.js
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oct.js
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basic.css
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grid12-960.css
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jquery.min.js
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drupal.js
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excanvas.compiled.js
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jquery.bt.min.js
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beautytips.js
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googleanalytics.js
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superfish.js
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jquery.bgiframe.min.js
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jquery.hoverIntent.minified.js
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nice_menus.js
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panels.js
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jquery.cycle.all.min.js
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views_slideshow.js
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base.js
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ajax_view.js
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jquery.bgiframe.min.js
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hoverIntent.js
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supposition.js
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supersubs.js
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superfish.js
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script.js
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jquery.fancybox-1.3.1.js
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sfjazz_site.js
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p.gif
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cpc0utl-d.css
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sfjbackmed.gif
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headergrad.png
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sfjazz_logo.png
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menu-leaf.png
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buttonback.png
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menugrad.png
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menudivider.png
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bodyback.png
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Fest_Zio_homehero_.jpg
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carousel-background.png
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moduleback.png
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sponsor_tech_avaya.png
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footerbargrad.png
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footersolid.gif
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facebook.png
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twitter.png
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youtube.png
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instagram.png
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serverComponent.php
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sfjazz.org 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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
sfjazz.org 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
Page has valid source maps
sfjazz.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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 Sfjazz.org 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 Sfjazz.org 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.
sfjazz.org
Open Graph description is not detected on the main page of SFJAZZ. 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: