Tools & Wizards About Us
bbtmusic.org screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bbtmusic.org

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

Page Load Speed

11.8 sec in total

First Response

490 ms

Resources Loaded

10.9 sec

Page Rendered

415 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 490 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

bbtmusic.org performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value17,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value30.4 s

0/100

10%

Network Requests Diagram

www.bbtmusic.org

490 ms

minified.js

434 ms

focus-within-polyfill.js

780 ms

polyfill.min.js

762 ms

mobile-app-invite-banner.css

773 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bbtmusic.org, 35% (19 requests) were made to Static.parastorage.com and 26% (14 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (8.7 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 895.5 kB (55%)

Content Size

1.6 MB

After Optimization

734.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bbtmusic.org main page is 1.6 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. 60% of websites need less resources to load. HTML takes 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 885.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 203.4 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. 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 885.0 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 6.2 kB

  • Original 225.0 kB
  • After minification 218.9 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 4.3 kB

  • Original 314.9 kB
  • After minification 314.9 kB
  • After compression 310.6 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 16 (43%)

Requests Now

37

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 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 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.bbtmusic.org

www.bbtmusic.org

490 ms

minified.js

minified.js

434 ms

focus-within-polyfill.js

focus-within-polyfill.js

780 ms

polyfill.min.js

polyfill.min.js

762 ms

mobile-app-invite-banner.css

mobile-app-invite-banner.css

773 ms

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

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

773 ms

8875.e26292eb.bundle.min.js

8875.e26292eb.bundle.min.js

1244 ms

thunderbolt-commons.3940b5a1.bundle.min.js

thunderbolt-commons.3940b5a1.bundle.min.js

1126 ms

main.d98de0fd.bundle.min.js

main.d98de0fd.bundle.min.js

1123 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

1046 ms

lodash.min.js

lodash.min.js

1068 ms

react.production.min.js

react.production.min.js

1069 ms

react-dom.production.min.js

react-dom.production.min.js

1110 ms

browser-deprecation.bundle.es5.js

browser-deprecation.bundle.es5.js

1111 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

1103 ms

gtm.js

gtm.js

1446 ms

logo.png

logo.png

1161 ms

8dc3eb_6527d01305fe4021bba564d5ed189d93~mv2.png

8dc3eb_6527d01305fe4021bba564d5ed189d93~mv2.png

3402 ms

8dc3eb_9149aa98d52242a4bf7718e8616e3609~mv2.jpg

8dc3eb_9149aa98d52242a4bf7718e8616e3609~mv2.jpg

4287 ms

8dc3eb_170ef06431994d3bae2b3c5d19d8edae~mv2.jpg

8dc3eb_170ef06431994d3bae2b3c5d19d8edae~mv2.jpg

4312 ms

8dc3eb_a2c87614b6e74ce39b61bedf118cbce8~mv2.jpg

8dc3eb_a2c87614b6e74ce39b61bedf118cbce8~mv2.jpg

4308 ms

8dc3eb_eb42409ea4f842d2829addc13903064d~mv2.jpg

8dc3eb_eb42409ea4f842d2829addc13903064d~mv2.jpg

6322 ms

8dc3eb_1c132555ea734408a1b2e38c530aae61~mv2.jpg

8dc3eb_1c132555ea734408a1b2e38c530aae61~mv2.jpg

4297 ms

8dc3eb_3d01ffb6598543af99795f31576d3c53~mv2.jpg

8dc3eb_3d01ffb6598543af99795f31576d3c53~mv2.jpg

4821 ms

sun.png

sun.png

4800 ms

8dc3eb_cd1ddbf3f23f4f4994fba49b2c032ded~mv2.webp

8dc3eb_cd1ddbf3f23f4f4994fba49b2c032ded~mv2.webp

4290 ms

8dc3eb_cd1ddbf3f23f4f4994fba49b2c032ded~mv2.webp

8dc3eb_cd1ddbf3f23f4f4994fba49b2c032ded~mv2.webp

8665 ms

8dc3eb_95e2c434121e40e19bcedb9cc4681f40~mv2.webp

8dc3eb_95e2c434121e40e19bcedb9cc4681f40~mv2.webp

4290 ms

8dc3eb_95e2c434121e40e19bcedb9cc4681f40~mv2.webp

8dc3eb_95e2c434121e40e19bcedb9cc4681f40~mv2.webp

4797 ms

a9420c_9c988216faa84e698392d64e86d97e62~mv2.jpg

a9420c_9c988216faa84e698392d64e86d97e62~mv2.jpg

5069 ms

bundle.min.js

bundle.min.js

3038 ms

destination

destination

321 ms

732 ms

734 ms

652 ms

661 ms

642 ms

627 ms

595 ms

619 ms

623 ms

607 ms

577 ms

566 ms

545 ms

367 ms

54 ms

deprecation-en.v5.html

deprecation-en.v5.html

117 ms

bolt-performance

bolt-performance

145 ms

deprecation-style.v5.css

deprecation-style.v5.css

44 ms

right-arrow.svg

right-arrow.svg

148 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

23 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

8 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

9 ms

Accessibility Review

bbtmusic.org accessibility score

96

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

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

93

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

    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: