Tools & Wizards About Us
cooljazzflorida.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

cooljazzflorida.com

Cool Jazz Florida - Music and Programming by Stu Grant

Page Load Speed

2.6 sec in total

First Response

350 ms

Resources Loaded

1.9 sec

Page Rendered

356 ms

cooljazzflorida.com screenshot

About Website

Welcome to cooljazzflorida.com homepage info - get ready to check Cool Jazz Florida best content right away, or after learning these important things about cooljazzflorida.com

Cool Jazz Florida with the Coolest jazz on the Planet! Stu Grant presents the coolest jazz for the past 50 years. playing all your favorites. Broadcasting Live.

Visit cooljazzflorida.com

Key Findings

We analyzed Cooljazzflorida.com page load time and found that the first response time was 350 ms and then it took 2.3 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.

Performance Metrics

cooljazzflorida.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.698

7/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

cooljazzflorida.com

350 ms

nivo-slider.css

59 ms

pure.css

115 ms

theme2.css.php

170 ms

jquery.min.js

214 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 53% of them (46 requests) were addressed to the original Cooljazzflorida.com, 28% (24 requests) were made to Fastcast4u.com and 7% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (527 ms) relates to the external source Fastcast4u.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 381.0 kB (26%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cooljazzflorida.com main page is 1.5 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 31.8 kB

  • Original 35.7 kB
  • After minification 33.2 kB
  • After compression 3.9 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. 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 31.8 kB or 89% of the original size.

Image Optimization

-24%

Potential reduce by 312.1 kB

  • Original 1.3 MB
  • After minification 995.8 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. Obviously, Cool Jazz Florida needs image optimization as it can save up to 312.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 34.7 kB

  • Original 136.9 kB
  • After minification 136.9 kB
  • After compression 102.2 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 34.7 kB or 25% of the original size.

CSS Optimization

-19%

Potential reduce by 2.4 kB

  • Original 12.2 kB
  • After minification 12.2 kB
  • After compression 9.8 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. Cooljazzflorida.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (39%)

Requests Now

79

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool Jazz Florida. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cooljazzflorida.com

cooljazzflorida.com

350 ms

nivo-slider.css

nivo-slider.css

59 ms

pure.css

pure.css

115 ms

theme2.css.php

theme2.css.php

170 ms

jquery.min.js

jquery.min.js

214 ms

jquery-noconflict.js

jquery-noconflict.js

159 ms

jquery-migrate.min.js

jquery-migrate.min.js

160 ms

caption.js

caption.js

159 ms

crawler.js

crawler.js

169 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

231 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

230 ms

theme2.js

theme2.js

229 ms

template.css

template.css

234 ms

editor.css

editor.css

233 ms

components.css

components.css

267 ms

css

css

20 ms

css

css

29 ms

Cool-Jazz_Logo-256x125.png

Cool-Jazz_Logo-256x125.png

97 ms

2.png

2.png

107 ms

slide1.jpg

slide1.jpg

216 ms

slide2.jpg

slide2.jpg

216 ms

164 ms

bodybg.jpg

bodybg.jpg

146 ms

goldvline.gif

goldvline.gif

63 ms

toggle-icon.png

toggle-icon.png

63 ms

down-bg.png

down-bg.png

74 ms

loading.gif

loading.gif

125 ms

black-transparent-75percent.png

black-transparent-75percent.png

125 ms

module-header-bg-310x48.png

module-header-bg-310x48.png

132 ms

android.png

android.png

185 ms

blackberry.png

blackberry.png

185 ms

18.png

18.png

184 ms

04.jpg

04.jpg

290 ms

06.jpg

06.jpg

187 ms

12.gif

12.gif

298 ms

10.jpg

10.jpg

291 ms

13.gif

13.gif

289 ms

03.jpg

03.jpg

291 ms

16.jpg

16.jpg

297 ms

14.jpg

14.jpg

305 ms

08.jpg

08.jpg

298 ms

02.jpg

02.jpg

319 ms

07.jpg

07.jpg

350 ms

11.jpg

11.jpg

348 ms

17.jpg

17.jpg

348 ms

05.jpg

05.jpg

348 ms

15.jpg

15.jpg

350 ms

09.jpg

09.jpg

372 ms

arrows.png

arrows.png

402 ms

bx6cNx6Tne2pxOATYE8C_Rsoe3WO8qM.ttf

bx6cNx6Tne2pxOATYE8C_Rsoe3WO8qM.ttf

18 ms

BngRUXNadjH0qYEzV7ab-oWlsbCGwRg.ttf

BngRUXNadjH0qYEzV7ab-oWlsbCGwRg.ttf

25 ms

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

31 ms

OneSignalSDK.js

OneSignalSDK.js

41 ms

Neat%20Blue.css

Neat%20Blue.css

116 ms

css

css

19 ms

js

js

76 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

168 ms

jquery.jplayer.js

jquery.jplayer.js

193 ms

f4u-radio.js

f4u-radio.js

441 ms

sdk.js

sdk.js

35 ms

preloader.gif

preloader.gif

142 ms

default.png

default.png

142 ms

icon-facebook.svg

icon-facebook.svg

164 ms

icon-twitter.svg

icon-twitter.svg

165 ms

icon-history.svg

icon-history.svg

228 ms

icon-settings.svg

icon-settings.svg

224 ms

icon-channels.svg

icon-channels.svg

215 ms

default.png

default.png

527 ms

player-winamp-icon.svg

player-winamp-icon.svg

243 ms

player-wmp-icon.svg

player-wmp-icon.svg

301 ms

player-quicktime-icon.svg

player-quicktime-icon.svg

307 ms

player-vlc-icon.svg

player-vlc-icon.svg

305 ms

sdk.js

sdk.js

6 ms

background.jpg

background.jpg

299 ms

sprite.png

sprite.png

340 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

13 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

29 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

30 ms

105 ms

like.php

like.php

75 ms

oZt7NLojZ00.js

oZt7NLojZ00.js

61 ms

FEppCFCt76d.png

FEppCFCt76d.png

18 ms

oZt7NLojZ00.js

oZt7NLojZ00.js

34 ms

Dark%20Noise.css

Dark%20Noise.css

94 ms

index.php

index.php

105 ms

dark-noise.jpg

dark-noise.jpg

256 ms

freddie.hubbard.jpg

freddie.hubbard.jpg

93 ms

Accessibility Review

cooljazzflorida.com accessibility score

59

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

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

Best Practices

cooljazzflorida.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cooljazzflorida.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    UTF-8

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

Social Sharing Optimization

cooljazzflorida.com

Open Graph description is not detected on the main page of Cool Jazz Florida. 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: