Tools & Wizards About Us
jazzimprovisation.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jazzimprovisation.com

Jazz Improvisation Videos | Instructional Videos | Training

Page Load Speed

3.2 sec in total

First Response

781 ms

Resources Loaded

1.9 sec

Page Rendered

458 ms

jazzimprovisation.com screenshot

About Website

Visit jazzimprovisation.com now to see the best up-to-date Jazz Improvisation content and also check out these interesting facts you probably never knew about jazzimprovisation.com

Welcome to the Jazz Conception Company. Hours of expert instruction by Jim Snidero, iPad app, 19 play alongs. The new leader in jazz improvisation videos.

Visit jazzimprovisation.com

Key Findings

We analyzed Jazzimprovisation.com page load time and found that the first response time was 781 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.

Performance Metrics

jazzimprovisation.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.925

3/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

www.jazzimprovisation.com

781 ms

e691fbb97a3a4b6ed420c34d796dca98.css

28 ms

b9adddc7d023e2fef1414003342e3f26.css

81 ms

f5b009959abdbed05f013a6a566255b2.js

157 ms

jquery-3.3.1.min.js

31 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 83% of them (63 requests) were addressed to the original Jazzimprovisation.com, 7% (5 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (781 ms) belongs to the original domain Jazzimprovisation.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.6 kB (5%)

Content Size

1.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzimprovisation.com 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.1 kB

  • Original 46.5 kB
  • After minification 44.1 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 38.1 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 5.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB

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. Jazz Improvisation images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 24.0 kB

  • Original 138.6 kB
  • After minification 138.6 kB
  • After compression 114.7 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 24.0 kB or 17% of the original size.

CSS Optimization

-29%

Potential reduce by 16.6 kB

  • Original 56.4 kB
  • After minification 54.9 kB
  • After compression 39.8 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. Jazzimprovisation.com needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (45%)

Requests Now

69

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz Improvisation. 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 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.jazzimprovisation.com

www.jazzimprovisation.com

781 ms

e691fbb97a3a4b6ed420c34d796dca98.css

e691fbb97a3a4b6ed420c34d796dca98.css

28 ms

b9adddc7d023e2fef1414003342e3f26.css

b9adddc7d023e2fef1414003342e3f26.css

81 ms

f5b009959abdbed05f013a6a566255b2.js

f5b009959abdbed05f013a6a566255b2.js

157 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

31 ms

jimsneidero.css

jimsneidero.css

88 ms

normalize.css

normalize.css

87 ms

global.css

global.css

88 ms

colorbox.css

colorbox.css

86 ms

responsive.css

responsive.css

110 ms

custom.css

custom.css

115 ms

simplezoom.min.js

simplezoom.min.js

113 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

113 ms

css

css

39 ms

scrollreveal.min.js

scrollreveal.min.js

120 ms

custom.js

custom.js

133 ms

lightgallery.css

lightgallery.css

31 ms

lightgallery-all.min.js

lightgallery-all.min.js

139 ms

jquery.cookie.js

jquery.cookie.js

138 ms

owl.carousel.css

owl.carousel.css

137 ms

owl.carousel.min.js

owl.carousel.min.js

38 ms

ga.js

ga.js

183 ms

627 ms

preloader.gif

preloader.gif

233 ms

logo.png

logo.png

183 ms

banner01.jpg

banner01.jpg

246 ms

video-play.png

video-play.png

184 ms

banner02.jpg

banner02.jpg

207 ms

banner03.jpg

banner03.jpg

342 ms

banner04.jpg

banner04.jpg

275 ms

banner05.jpg

banner05.jpg

232 ms

banner06.jpg

banner06.jpg

247 ms

artist-bg.jpg

artist-bg.jpg

248 ms

chris-jm.jpg

chris-jm.jpg

277 ms

jim-jm.jpg

jim-jm.jpg

274 ms

walt-jm.jpg

walt-jm.jpg

276 ms

jipart1-jm.jpg

jipart1-jm.jpg

296 ms

jipart2-jm.jpg

jipart2-jm.jpg

300 ms

jamey-jm.jpg

jamey-jm.jpg

299 ms

Phil-Woods.jpg

Phil-Woods.jpg

302 ms

david-img.jpg

david-img.jpg

321 ms

randy-brecker.jpg

randy-brecker.jpg

324 ms

brad-leali-img.jpg

brad-leali-img.jpg

326 ms

dick-img.jpg

dick-img.jpg

327 ms

jamey-aebersold.jpg

jamey-aebersold.jpg

346 ms

conrad-img.jpg

conrad-img.jpg

348 ms

steinway-sons.png

steinway-sons.png

352 ms

conn-selmer.png

conn-selmer.png

366 ms

daddario.png

daddario.png

367 ms

woodwind.png

woodwind.png

369 ms

top_mid.gif

top_mid.gif

374 ms

bottom_mid.gif

bottom_mid.gif

376 ms

center_right.gif

center_right.gif

395 ms

center_left.gif

center_left.gif

396 ms

footer-bg.jpg

footer-bg.jpg

397 ms

logo-white.png

logo-white.png

399 ms

bkg_pipe2.gif

bkg_pipe2.gif

400 ms

pxiByp8kv8JHgFVrLDz8Z1xlEN2JQEk.ttf

pxiByp8kv8JHgFVrLDz8Z1xlEN2JQEk.ttf

126 ms

pxiEyp8kv8JHgFVrJJfed3FHGPc.ttf

pxiEyp8kv8JHgFVrJJfed3FHGPc.ttf

179 ms

pxiByp8kv8JHgFVrLGT9Z1xlEN2JQEk.ttf

pxiByp8kv8JHgFVrLGT9Z1xlEN2JQEk.ttf

180 ms

pxiByp8kv8JHgFVrLEj6Z1xlEN2JQEk.ttf

pxiByp8kv8JHgFVrLEj6Z1xlEN2JQEk.ttf

202 ms

pxiByp8kv8JHgFVrLCz7Z1xlEN2JQEk.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEN2JQEk.ttf

202 ms

payIcon01.png

payIcon01.png

425 ms

__utm.gif

__utm.gif

82 ms

__utm.gif

__utm.gif

79 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

343 ms

payIcon02.png

payIcon02.png

248 ms

webandappcreations.svg

webandappcreations.svg

223 ms

overlay.png

overlay.png

201 ms

close.gif

close.gif

224 ms

top_left.gif

top_left.gif

212 ms

top_right.gif

top_right.gif

209 ms

bottom_left.gif

bottom_left.gif

211 ms

bottom_right.gif

bottom_right.gif

208 ms

__utm.gif

__utm.gif

5 ms

8edd1eb53ad04b550a9fd6d091fd6794.css

8edd1eb53ad04b550a9fd6d091fd6794.css

26 ms

Accessibility Review

jazzimprovisation.com accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jazzimprovisation.com best practices score

67

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

SEO Factors

jazzimprovisation.com SEO score

83

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

jazzimprovisation.com

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