Tools & Wizards About Us
derosamusic.co.uk screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

derosamusic.co.uk

DeRosa Music – derosa music uk

Page Load Speed

4.8 sec in total

First Response

488 ms

Resources Loaded

2.5 sec

Page Rendered

1.8 sec

derosamusic.co.uk screenshot

About Website

Click here to check amazing Derosa Music content. Otherwise, check out these important facts you probably never knew about derosamusic.co.uk

A Music School and Music Shop offering exceptional music lessons with encouragement, fun and inspirational teaching

Visit derosamusic.co.uk

Key Findings

We analyzed Derosamusic.co.uk page load time and found that the first response time was 488 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

derosamusic.co.uk performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,450 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

derosamusic.co.uk

488 ms

jquery.min.js

40 ms

vendor.min.js

216 ms

ajax-cart.js

51 ms

theme-critical.css

41 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 65% of them (45 requests) were addressed to the original Derosamusic.co.uk, 10% (7 requests) were made to Cdn.shopify.com and 9% (6 requests) were made to Formbuilder.hulkapps.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Derosamusic.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (16%)

Content Size

7.2 MB

After Optimization

6.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derosamusic.co.uk main page is 7.2 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. Only a small number of websites need less resources to load. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 551.0 kB

  • Original 609.4 kB
  • After minification 498.0 kB
  • After compression 58.4 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. This page needs HTML code to be minified as it can gain 111.4 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 551.0 kB or 90% of the original size.

Image Optimization

-9%

Potential reduce by 571.9 kB

  • Original 6.2 MB
  • After minification 5.6 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. Derosa Music images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.5 kB

  • Original 327.3 kB
  • After minification 327.1 kB
  • After compression 318.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 6.8 kB

  • Original 98.8 kB
  • After minification 98.8 kB
  • After compression 92.1 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. Derosamusic.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (63%)

Requests Now

62

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derosa Music. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derosamusic.co.uk

derosamusic.co.uk

488 ms

jquery.min.js

jquery.min.js

40 ms

vendor.min.js

vendor.min.js

216 ms

ajax-cart.js

ajax-cart.js

51 ms

theme-critical.css

theme-critical.css

41 ms

theme.min.js

theme.min.js

67 ms

custom.js

custom.js

51 ms

swatch-colors.js

swatch-colors.js

63 ms

details-disclosure.js

details-disclosure.js

260 ms

header-details-disclosure.js

header-details-disclosure.js

225 ms

scrollreveal.min.js

scrollreveal.min.js

71 ms

preloads.js

preloads.js

258 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

259 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

257 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

256 ms

inbox-chat-loader.js

inbox-chat-loader.js

37 ms

form-builder-script.js

form-builder-script.js

47 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

242 ms

announcement-bar.js

announcement-bar.js

378 ms

scrolling-marquee.js

scrolling-marquee.js

376 ms

product-interactive-options.js

product-interactive-options.js

375 ms

items-scroll.js

items-scroll.js

371 ms

predictive-search.js

predictive-search.js

370 ms

appstle-subscription.min.js

appstle-subscription.min.js

453 ms

appstle-add-to-subscription-widget.css

appstle-add-to-subscription-widget.css

202 ms

appstle-add-to-subscription-widget.js

appstle-add-to-subscription-widget.js

45 ms

theme.css

theme.css

347 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

402 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

401 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

399 ms

locator-plus.html

locator-plus.html

426 ms

new-DEROSA-LOGO-1200-x-500-px-1200-x-400-px-qays68xlro95n745obnlafe1zqlf21tss7v1ekh9zw.png

new-DEROSA-LOGO-1200-x-500-px-1200-x-400-px-qays68xlro95n745obnlafe1zqlf21tss7v1ekh9zw.png

426 ms

Saxophone_Lessons.png

Saxophone_Lessons.png

370 ms

GUITAR_LESSONS-2.png

GUITAR_LESSONS-2.png

331 ms

music_books.png

music_books.png

1257 ms

learn-drums_1_2ba5813e-630d-4e42-a2bb-1c20c08c478b.png

learn-drums_1_2ba5813e-630d-4e42-a2bb-1c20c08c478b.png

1646 ms

learn-sing-2_1x1.png

learn-sing-2_1x1.png

335 ms

learn-sing-2_600x.png

learn-sing-2_600x.png

368 ms

learn-sing_1x1.png

learn-sing_1x1.png

569 ms

learn-sing_300x.png

learn-sing_300x.png

390 ms

Guitar-Back-Ground-2.png

Guitar-Back-Ground-2.png

374 ms

learn-piano_1.png

learn-piano_1.png

734 ms

BASSLESSONS.png

BASSLESSONS.png

458 ms

drumming_1_44ae9699-8b98-40aa-b68c-b0eee23f6f58.png

drumming_1_44ae9699-8b98-40aa-b68c-b0eee23f6f58.png

484 ms

sax-lessons.jpg

sax-lessons.jpg

526 ms

learn-sing-1_959555de-b0f9-4dd0-8dca-f2e4fd3153eb.png

learn-sing-1_959555de-b0f9-4dd0-8dca-f2e4fd3153eb.png

538 ms

Violin-Lessons-for-children_821e0581-1a72-4df9-8426-ad8f811ea7bd.png

Violin-Lessons-for-children_821e0581-1a72-4df9-8426-ad8f811ea7bd.png

579 ms

Adult-Cello-Lessons.jpg

Adult-Cello-Lessons.jpg

605 ms

flute-lessons_bb4e4e41-fdde-46cd-97bf-edd7debef2ec.jpg

flute-lessons_bb4e4e41-fdde-46cd-97bf-edd7debef2ec.jpg

733 ms

Clarinet-Grades.png

Clarinet-Grades.png

1098 ms

spb.en.js

spb.en.js

546 ms

customform

customform

569 ms

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

4 ms

d8a3d9af.woff

d8a3d9af.woff

114 ms

143c60c4.woff

143c60c4.woff

159 ms

387c7e55.woff

387c7e55.woff

115 ms

locator-plus-config.js

locator-plus-config.js

91 ms

extended-component-library@0.6

extended-component-library@0.6

57 ms

extended-component-library@0.6.11

extended-component-library@0.6.11

16 ms

index.min.js

index.min.js

31 ms

bootstrap.css

bootstrap.css

40 ms

styles.css

styles.css

19 ms

font-awesome.min.css

font-awesome.min.css

32 ms

jquery.min.js

jquery.min.js

30 ms

bootstrap.min.js

bootstrap.min.js

22 ms

sweetalert.min.js

sweetalert.min.js

22 ms

libphonenumber-js.min.js

libphonenumber-js.min.js

63 ms

script

script

76 ms

script

script

119 ms

Accessibility Review

derosamusic.co.uk accessibility score

84

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]s are not contained by their required parent element

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

derosamusic.co.uk 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

derosamusic.co.uk SEO score

98

Search Engine Optimization Advices

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 Derosamusic.co.uk 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 Derosamusic.co.uk 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

derosamusic.co.uk

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