Tools & Wizards About Us
jazzcollector.com screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

jazzcollector.com

Jazz Collector | For Those Who Love Jazz | eBay auction results for Classic Jazz LPs

Page Load Speed

2.4 sec in total

First Response

110 ms

Resources Loaded

1.9 sec

Page Rendered

340 ms

jazzcollector.com screenshot

About Website

Visit jazzcollector.com now to see the best up-to-date Jazz Collector content for United States and also check out these interesting facts you probably never knew about jazzcollector.com

Jazz Collector is the leading jazz blog and jazz website for those who love jazz and treasure the history, archives, ephemera and, most of all, the music.

Visit jazzcollector.com

Key Findings

We analyzed Jazzcollector.com page load time and found that the first response time was 110 ms and then it took 2.2 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

jazzcollector.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

jazzcollector.com

110 ms

cv.css

42 ms

custom-fonts.css

41 ms

style.min.css

92 ms

view.css

48 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jazzcollector.com, 54% (28 requests) were made to Jazzcollector.b-cdn.net and 21% (11 requests) were made to 5e471e591dc128-48970570.castos.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source 5e471e591dc128-48970570.castos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 126.3 kB (15%)

Content Size

850.8 kB

After Optimization

724.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzcollector.com main page is 850.8 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. 50% of websites need less resources to load. Images take 575.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.7 kB

  • Original 97.2 kB
  • After minification 93.0 kB
  • After compression 16.6 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 80.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 2.4 kB

  • Original 575.6 kB
  • After minification 573.2 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. Jazz Collector images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 12.8 kB

  • Original 67.9 kB
  • After minification 67.8 kB
  • After compression 55.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 12.8 kB or 19% of the original size.

CSS Optimization

-28%

Potential reduce by 30.4 kB

  • Original 110.1 kB
  • After minification 110.1 kB
  • After compression 79.7 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. Jazzcollector.com needs all CSS files to be minified and compressed as it can save up to 30.4 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (49%)

Requests Now

47

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazz Collector. 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 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jazzcollector.com

jazzcollector.com

110 ms

cv.css

cv.css

42 ms

custom-fonts.css

custom-fonts.css

41 ms

style.min.css

style.min.css

92 ms

view.css

view.css

48 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

50 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

49 ms

admin-bar.css

admin-bar.css

49 ms

styles.css

styles.css

47 ms

style.css

style.css

93 ms

dynamicnews-widgets.css

dynamicnews-widgets.css

88 ms

genericons.css

genericons.css

50 ms

dynamicnews-pro.css

dynamicnews-pro.css

87 ms

addthis_wordpress_public.min.css

addthis_wordpress_public.min.css

99 ms

jetpack.css

jetpack.css

58 ms

jquery.min.js

jquery.min.js

63 ms

jquery-migrate.min.js

jquery-migrate.min.js

63 ms

navigation.js

navigation.js

114 ms

sidebar.js

sidebar.js

96 ms

addthis_widget.js

addthis_widget.js

286 ms

index.js

index.js

73 ms

index.js

index.js

73 ms

cv.js

cv.js

74 ms

e-202429.js

e-202429.js

26 ms

1777719

1777719

664 ms

1772347

1772347

792 ms

1767900

1767900

1140 ms

1762750

1762750

1127 ms

1757966

1757966

1141 ms

1752623

1752623

1155 ms

1748363

1748363

1095 ms

1743269

1743269

937 ms

1738329

1738329

1084 ms

25a6078d9e8e57fd5059c68cdadf2b06

25a6078d9e8e57fd5059c68cdadf2b06

146 ms

Member-button.jpg

Member-button.jpg

246 ms

jazz-col-logo.png

jazz-col-logo.png

116 ms

Clifford-Brown-300x300.jpeg

Clifford-Brown-300x300.jpeg

184 ms

jazz-ad.jpg

jazz-ad.jpg

116 ms

a816de34519cc088ce8d474d8987c13f

a816de34519cc088ce8d474d8987c13f

145 ms

a3aa7075472542b42fb6449dbd2fdebe

a3aa7075472542b42fb6449dbd2fdebe

148 ms

8f05812999d28064d860d4346acd3bb9

8f05812999d28064d860d4346acd3bb9

147 ms

144940d761671929e180884e6eaa4389

144940d761671929e180884e6eaa4389

147 ms

57ff6c21c8d7e7058e9548cecb7998f8

57ff6c21c8d7e7058e9548cecb7998f8

147 ms

fd5bde6fe10b856c3b17a697ae189546

fd5bde6fe10b856c3b17a697ae189546

148 ms

ubuntu-v11-latin-ext_latin-regular.woff

ubuntu-v11-latin-ext_latin-regular.woff

661 ms

ubuntu-v11-latin-ext_latin-700.woff

ubuntu-v11-latin-ext_latin-700.woff

972 ms

Genericons.svg

Genericons.svg

22 ms

8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=

8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=

8 ms

francois-one-v11-latin-ext_latin-regular.woff

francois-one-v11-latin-ext_latin-regular.woff

490 ms

styles.css

styles.css

785 ms

da67767f-013b-47e3-95a5-a180538671c4-JazzCollector-copy.png

da67767f-013b-47e3-95a5-a180538671c4-JazzCollector-copy.png

52 ms

scripts.js

scripts.js

803 ms

Accessibility Review

jazzcollector.com accessibility score

93

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

Links do not have a discernible name

Best Practices

jazzcollector.com best practices score

83

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

Low

Detected JavaScript libraries

SEO Factors

jazzcollector.com SEO score

88

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

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

High

Tap targets are not sized appropriately

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 Jazzcollector.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 Jazzcollector.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

jazzcollector.com

Open Graph data is detected on the main page of Jazz Collector. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: