Tools & Wizards About Us
bbtmusic.org screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bbtmusic.org

Building Bridges Through Music After School and Out of School Program | Lynn MA

Page Load Speed

1.5 sec in total

First Response

114 ms

Resources Loaded

1.4 sec

Page Rendered

55 ms

bbtmusic.org screenshot

About Website

Welcome to bbtmusic.org homepage info - get ready to check Bbt Music best content right away, or after learning these important things about bbtmusic.org

Building Bridges Through Music, Education thru Music After School Program offers an alternative between school and home for children interested in a safe and supportive environment. Providing STREAM2 ...

Visit bbtmusic.org

Key Findings

We analyzed Bbtmusic.org page load time and found that the first response time was 114 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

bbtmusic.org performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

www.bbtmusic.org

114 ms

originTrials.41d7301a.bundle.min.js

46 ms

minified.js

49 ms

focus-within-polyfill.js

47 ms

polyfill.min.js

441 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bbtmusic.org, 41% (21 requests) were made to Static.parastorage.com and 24% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (672 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (60%)

Content Size

1.7 MB

After Optimization

677.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bbtmusic.org main page is 1.7 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. 50% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 1.0 MB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 228.8 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 1.0 MB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 8.9 kB

  • Original 180.6 kB
  • After minification 171.7 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. Bbt Music images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 278.1 kB
  • After minification 278.1 kB
  • After compression 275.3 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

-4%

Potential reduce by 56 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.3 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. Bbtmusic.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (35%)

Requests Now

43

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bbt 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 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.bbtmusic.org

www.bbtmusic.org

114 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

46 ms

minified.js

minified.js

49 ms

focus-within-polyfill.js

focus-within-polyfill.js

47 ms

polyfill.min.js

polyfill.min.js

441 ms

mobile-app-invite-banner.css

mobile-app-invite-banner.css

45 ms

mobile-app-invite-banner.umd.min.js

mobile-app-invite-banner.umd.min.js

88 ms

thunderbolt-commons.8a430009.bundle.min.js

thunderbolt-commons.8a430009.bundle.min.js

45 ms

main.0ed20bfc.bundle.min.js

main.0ed20bfc.bundle.min.js

49 ms

lodash.min.js

lodash.min.js

45 ms

react.production.min.js

react.production.min.js

43 ms

react-dom.production.min.js

react-dom.production.min.js

49 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

50 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

49 ms

gtm.js

gtm.js

183 ms

logo.png

logo.png

127 ms

8dc3eb_2574812a7de3491cab886b319316778d~mv2.jpg

8dc3eb_2574812a7de3491cab886b319316778d~mv2.jpg

258 ms

9a99d9_4209a8a6d37240149ec510ecae695894~mv2_d_1687_2102_s_2.png

9a99d9_4209a8a6d37240149ec510ecae695894~mv2_d_1687_2102_s_2.png

454 ms

sun.png

sun.png

480 ms

8dc3eb_81fd540e14414a4999f38ee22d951102~mv2.jpg

8dc3eb_81fd540e14414a4999f38ee22d951102~mv2.jpg

426 ms

8dc3eb_81fd540e14414a4999f38ee22d951102~mv2.jpg

8dc3eb_81fd540e14414a4999f38ee22d951102~mv2.jpg

423 ms

a9420c_f26070608785420597b70aa80c496c71~mv2.jpg

a9420c_f26070608785420597b70aa80c496c71~mv2.jpg

462 ms

a9420c_f26070608785420597b70aa80c496c71~mv2.jpg

a9420c_f26070608785420597b70aa80c496c71~mv2.jpg

396 ms

a9420c_9c988216faa84e698392d64e86d97e62~mv2.jpg

a9420c_9c988216faa84e698392d64e86d97e62~mv2.jpg

672 ms

bundle.min.js

bundle.min.js

126 ms

c81cca03-5f1a-4252-9950-096e60e2bde9.woff

c81cca03-5f1a-4252-9950-096e60e2bde9.woff

22 ms

WmVKXVcOuffP_qmCpFuyzRsxEYwM7FgeyaSgU71cLG0.woff

WmVKXVcOuffP_qmCpFuyzRsxEYwM7FgeyaSgU71cLG0.woff

21 ms

STBOO2waD2LpX45SXYjQBRsxEYwM7FgeyaSgU71cLG0.woff

STBOO2waD2LpX45SXYjQBRsxEYwM7FgeyaSgU71cLG0.woff

20 ms

03805817-4611-4dbc-8c65-0f73031c3973.woff

03805817-4611-4dbc-8c65-0f73031c3973.woff

20 ms

4d716cea-5ba0-437a-b5a8-89ad159ea2be.woff

4d716cea-5ba0-437a-b5a8-89ad159ea2be.woff

20 ms

BreeW05-ThinOblique.woff

BreeW05-ThinOblique.woff

21 ms

destination

destination

59 ms

135 ms

167 ms

165 ms

134 ms

130 ms

128 ms

269 ms

265 ms

265 ms

266 ms

169 ms

167 ms

45 ms

63 ms

39 ms

deprecation-en.v5.html

deprecation-en.v5.html

9 ms

bolt-performance

bolt-performance

22 ms

deprecation-style.v5.css

deprecation-style.v5.css

10 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

bbtmusic.org accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

bbtmusic.org best practices score

92

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

Page has valid source maps

SEO Factors

bbtmusic.org SEO score

86

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 Bbtmusic.org 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 Bbtmusic.org 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

bbtmusic.org

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