Tools & Wizards About Us
jazzhouse.org screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jazzhouse.org

-=[ Jazzhouse.org ]=- The Jazz Journalists Association

Page Load Speed

1.8 sec in total

First Response

158 ms

Resources Loaded

1.4 sec

Page Rendered

210 ms

jazzhouse.org screenshot

About Website

Visit jazzhouse.org now to see the best up-to-date Jazzhouse content and also check out these interesting facts you probably never knew about jazzhouse.org

Articles, photos, forums, news, links from the Jazz Journalists Association

Visit jazzhouse.org

Key Findings

We analyzed Jazzhouse.org page load time and found that the first response time was 158 ms and then it took 1.6 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.

Performance Metrics

jazzhouse.org performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value1,800 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.531

14/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

jazzhouse.org

158 ms

www.jazzhouse.org

291 ms

css

17 ms

jh_banner_x.gif

33 ms

donbyron-powerofjazz.jpg

104 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 21% of them (5 requests) were addressed to the original Jazzhouse.org, 21% (5 requests) were made to Youtube.com and 17% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (345 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.1 kB (10%)

Content Size

302.3 kB

After Optimization

272.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzhouse.org main page is 302.3 kB. 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. Javascripts take 157.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 22.7 kB

  • Original 31.1 kB
  • After minification 29.7 kB
  • After compression 8.4 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 22.7 kB or 73% of the original size.

Image Optimization

-9%

Potential reduce by 4.9 kB

  • Original 54.9 kB
  • After minification 50.0 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. Jazzhouse images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.5 kB

  • Original 157.7 kB
  • After minification 157.7 kB
  • After compression 155.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Jazzhouse.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazzhouse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jazzhouse.org

jazzhouse.org

158 ms

www.jazzhouse.org

www.jazzhouse.org

291 ms

css

css

17 ms

jh_banner_x.gif

jh_banner_x.gif

33 ms

donbyron-powerofjazz.jpg

donbyron-powerofjazz.jpg

104 ms

nib.jpg

nib.jpg

54 ms

counter.js

counter.js

7 ms

jazzhouse.org-thumb.jpg

jazzhouse.org-thumb.jpg

48 ms

widget.min.js

widget.min.js

13 ms

widget.min.js

widget.min.js

38 ms

X0UBxmp3-mQ

X0UBxmp3-mQ

124 ms

jazzhouse.org-thumb.jpg

jazzhouse.org-thumb.jpg

141 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

42 ms

base.js

base.js

133 ms

ad_status.js

ad_status.js

233 ms

tDbI2oqRg1oM3QBjjcaDkOr9rADWGQyH.ttf

tDbI2oqRg1oM3QBjjcaDkOr9rADWGQyH.ttf

181 ms

tDbV2oqRg1oM3QBjjcaDkOJGiRD7OwStT0rU.ttf

tDbV2oqRg1oM3QBjjcaDkOJGiRD7OwStT0rU.ttf

345 ms

cHoal1GHrde4YWVmtNRS7rfNld6iV6ittWnnuOkThR0.js

cHoal1GHrde4YWVmtNRS7rfNld6iV6ittWnnuOkThR0.js

148 ms

embed.js

embed.js

43 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

52 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

54 ms

id

id

40 ms

Create

Create

111 ms

Accessibility Review

jazzhouse.org accessibility score

52

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

jazzhouse.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jazzhouse.org SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jazzhouse.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 Jazzhouse.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.

Social Sharing Optimization

jazzhouse.org

Open Graph description is not detected on the main page of Jazzhouse. 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: