Tools & Wizards About Us
justmastering.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

justmastering.com

Audio Mastering & Music Mastering Services | JustMastering.com

Page Load Speed

1.3 sec in total

First Response

56 ms

Resources Loaded

959 ms

Page Rendered

278 ms

justmastering.com screenshot

About Website

Welcome to justmastering.com homepage info - get ready to check Just Mastering best content for United States right away, or after learning these important things about justmastering.com

Online Audio Mastering & Music Mastering Services to fit your budget. Mix analysis and consultation provided. Prepare your mixes for distribution and broadcast!

Visit justmastering.com

Key Findings

We analyzed Justmastering.com page load time and found that the first response time was 56 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

justmastering.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

justmastering.com

56 ms

www.justmastering.com

101 ms

reset.css

11 ms

less.build.css

29 ms

addthis_widget.js

145 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 29% of them (17 requests) were addressed to the original Justmastering.com, 31% (18 requests) were made to Platform.twitter.com and 10% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (407 ms) relates to the external source Developers.google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.1 kB (24%)

Content Size

538.5 kB

After Optimization

410.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Justmastering.com main page is 538.5 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. 65% of websites need less resources to load. Javascripts take 308.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.9 kB

  • Original 82.7 kB
  • After minification 75.9 kB
  • After compression 15.8 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 66.9 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 12.9 kB

  • Original 141.0 kB
  • After minification 128.1 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. Just Mastering images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 45.7 kB

  • Original 308.2 kB
  • After minification 308.1 kB
  • After compression 262.5 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 45.7 kB or 15% of the original size.

CSS Optimization

-40%

Potential reduce by 2.7 kB

  • Original 6.7 kB
  • After minification 4.7 kB
  • After compression 4.0 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. Justmastering.com needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (71%)

Requests Now

52

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Just Mastering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

justmastering.com

justmastering.com

56 ms

www.justmastering.com

www.justmastering.com

101 ms

reset.css

reset.css

11 ms

less.build.css

less.build.css

29 ms

addthis_widget.js

addthis_widget.js

145 ms

webfont.js

webfont.js

17 ms

css

css

73 ms

jquery.min.js

jquery.min.js

21 ms

flyoutmenu.css

flyoutmenu.css

17 ms

flyoutmenu.js

flyoutmenu.js

18 ms

global.css

global.css

26 ms

Default.css

Default.css

17 ms

browserify.build.js

browserify.build.js

21 ms

black_lozenge.png

black_lozenge.png

72 ms

widgets.js

widgets.js

76 ms

platform.js

platform.js

92 ms

analytics.js

analytics.js

103 ms

tracking-v2.js

tracking-v2.js

140 ms

Logo.GIF

Logo.GIF

60 ms

mainbanneroc3.jpg

mainbanneroc3.jpg

59 ms

button_services.png.opt222x42o0%2C0s222x42.png

button_services.png.opt222x42o0%2C0s222x42.png

60 ms

ADM-Plural-Album-Large-en_US.png

ADM-Plural-Album-Large-en_US.png

44 ms

ROB_3780_00011.jpg.opt439x439o0%2C0s439x439.jpg

ROB_3780_00011.jpg.opt439x439o0%2C0s439x439.jpg

59 ms

MixIdeasHere.gif

MixIdeasHere.gif

107 ms

PayPal%20Logo.jpg

PayPal%20Logo.jpg

80 ms

S6uyw4BMUTPHjxAwWA.woff

S6uyw4BMUTPHjxAwWA.woff

104 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aXw.woff

76 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQ.woff

157 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

50 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

42 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

69 ms

page

page

68 ms

collect

collect

52 ms

settings

settings

79 ms

LoggingAgent

LoggingAgent

87 ms

sw.js

sw.js

58 ms

js

js

77 ms

postmessageRelay

postmessageRelay

142 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

3 ms

developers.google.com

developers.google.com

407 ms

JustMastering

JustMastering

98 ms

1413334672-postmessagerelay.js

1413334672-postmessagerelay.js

29 ms

rpc:shindig_random.js

rpc:shindig_random.js

22 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

6 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

22 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

32 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

27 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

27 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

54 ms

_buildManifest.js

_buildManifest.js

62 ms

_ssgManifest.js

_ssgManifest.js

63 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

34 ms

8526.0c32a8f0cfc5749221a3.js

8526.0c32a8f0cfc5749221a3.js

26 ms

1755.07a49c40b12af4f75780.js

1755.07a49c40b12af4f75780.js

27 ms

8283.f3e5048cca7cef5eed7f.js

8283.f3e5048cca7cef5eed7f.js

3 ms

3077.44bfeb00af01bc4020f6.js

3077.44bfeb00af01bc4020f6.js

8 ms

1362.42d432e02f7980bca032.js

1362.42d432e02f7980bca032.js

8 ms

4956.c4e51ef593974b9db0bb.js

4956.c4e51ef593974b9db0bb.js

21 ms

5893.d500bd2a89ded806aa73.js

5893.d500bd2a89ded806aa73.js

7 ms

Accessibility Review

justmastering.com accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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

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

justmastering.com best practices score

58

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

justmastering.com SEO score

92

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

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 Justmastering.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 Justmastering.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

justmastering.com

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