Tools & Wizards About Us
thelessonroom.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

thelessonroom.com

D'Addario Lesson Room | Information to Help You Grow as A Musician

Page Load Speed

829 ms in total

First Response

25 ms

Resources Loaded

736 ms

Page Rendered

68 ms

thelessonroom.com screenshot

About Website

Visit thelessonroom.com now to see the best up-to-date The Lesson Room content and also check out these interesting facts you probably never knew about thelessonroom.com

Welcome to D'Addario Lesson Room. Here you'll discover a wealth of free information to help you learn and grow as a musician including beginner lessons, advanced practice tips, instrument main...

Visit thelessonroom.com

Key Findings

We analyzed Thelessonroom.com page load time and found that the first response time was 25 ms and then it took 804 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

thelessonroom.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,490 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.265

46/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

thelessonroom.com

25 ms

441 ms

styles

44 ms

WebResource.axd

89 ms

otSDKStub.js

35 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Thelessonroom.com, 61% (14 requests) were made to Daddario.com and 13% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (441 ms) relates to the external source Daddario.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.1 kB (51%)

Content Size

351.5 kB

After Optimization

172.4 kB

  • HTML
  • JavaScript

In fact, the total size of Thelessonroom.com main page is 351.5 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. 30% of websites need less resources to load. HTML takes 207.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 178.9 kB

  • Original 207.0 kB
  • After minification 153.8 kB
  • After compression 28.0 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 53.1 kB, which is 26% 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 178.9 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 152 B

  • Original 144.6 kB
  • After minification 144.6 kB
  • After compression 144.4 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.

Requests Breakdown

Number of requests can be reduced by 8 (42%)

Requests Now

19

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Lesson Room. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

thelessonroom.com

thelessonroom.com

25 ms

441 ms

styles

styles

44 ms

WebResource.axd

WebResource.axd

89 ms

otSDKStub.js

otSDKStub.js

35 ms

scripts

scripts

84 ms

iframe_api

iframe_api

85 ms

snippet.js

snippet.js

83 ms

71270dc7-531b-4013-9e46-be5d540c8bea.json

71270dc7-531b-4013-9e46-be5d540c8bea.json

30 ms

logo_daddario_mark-1.svg

logo_daddario_mark-1.svg

34 ms

logo_daddario_type-1.svg

logo_daddario_type-1.svg

26 ms

back.svg

back.svg

27 ms

x.svg

x.svg

50 ms

daddario-red-1.svg

daddario-red-1.svg

48 ms

pc_logo_global_banner-1.svg

pc_logo_global_banner-1.svg

47 ms

thelessonroom_logo.svg

thelessonroom_logo.svg

50 ms

red-arrow.svg

red-arrow.svg

52 ms

ai.0.js

ai.0.js

32 ms

www-widgetapi.js

www-widgetapi.js

11 ms

location

location

84 ms

GT-America-Standard-Bold.woff

GT-America-Standard-Bold.woff

41 ms

GT-America-Standard-Regular.woff

GT-America-Standard-Regular.woff

33 ms

otBannerSdk.js

otBannerSdk.js

17 ms

Accessibility Review

thelessonroom.com accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

thelessonroom.com 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

Missing source maps for large first-party JavaScript

SEO Factors

thelessonroom.com SEO score

79

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

High

Image elements do not have [alt] attributes

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 Thelessonroom.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 Thelessonroom.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

thelessonroom.com

Open Graph description is not detected on the main page of The Lesson Room. 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: