Tools & Wizards About Us

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

hub.sibelius.com

Sibelius - the leading music composition and notation software

Page Load Speed

851 ms in total

First Response

62 ms

Resources Loaded

717 ms

Page Rendered

72 ms

About Website

Click here to check amazing Hub Sibelius content for United States. Otherwise, check out these important facts you probably never knew about hub.sibelius.com

The world's best-selling music notation software. Sibelius is the easy way to write, refine, hear, scan and print beautiful scores.

Visit hub.sibelius.com

Key Findings

We analyzed Hub.sibelius.com page load time and found that the first response time was 62 ms and then it took 789 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

hub.sibelius.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

hub.sibelius.com

62 ms

index.php

211 ms

allotment.css

48 ms

lightview.css

65 ms

footer.js

75 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Hub.sibelius.com, 88% (28 requests) were made to Sibelius.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (211 ms) relates to the external source Sibelius.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.2 kB (18%)

Content Size

149.8 kB

After Optimization

122.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hub.sibelius.com main page is 149.8 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. 40% of websites need less resources to load. Javascripts take 95.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 7.5 kB

  • Original 10.1 kB
  • After minification 9.4 kB
  • After compression 2.6 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 7.5 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 226 B

  • Original 29.0 kB
  • After minification 28.8 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. Hub Sibelius images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 17.2 kB

  • Original 95.1 kB
  • After minification 94.8 kB
  • After compression 77.9 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 17.2 kB or 18% of the original size.

CSS Optimization

-15%

Potential reduce by 2.3 kB

  • Original 15.5 kB
  • After minification 15.5 kB
  • After compression 13.2 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. Hub.sibelius.com needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (57%)

Requests Now

30

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hub Sibelius. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

hub.sibelius.com accessibility score

61

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

hub.sibelius.com best practices score

75

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

hub.sibelius.com 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

    EN

  • Encoding

    UTF-8

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

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