Tools & Wizards About Us
nelsonaudio.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nelsonaudio.com

Nelson Audio & Light - Sound System Rental in Missouri

Page Load Speed

3.1 sec in total

First Response

147 ms

Resources Loaded

2.5 sec

Page Rendered

388 ms

nelsonaudio.com screenshot

About Website

Welcome to nelsonaudio.com homepage info - get ready to check Nelson Audio best content right away, or after learning these important things about nelsonaudio.com

Nelson Audio is a Missouri based Audio Visual Company, serving Kansas City, St. Louis, Columbia, the Lake of the Ozarks Area, and the whole Midwest.

Visit nelsonaudio.com

Key Findings

We analyzed Nelsonaudio.com page load time and found that the first response time was 147 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

nelsonaudio.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

nelsonaudio.com

147 ms

nelsonaudio.com

1431 ms

reset.css

27 ms

jquery.min.js

33 ms

3471fdb47d.js

285 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 55% of them (30 requests) were addressed to the original Nelsonaudio.com, 9% (5 requests) were made to Gstatic.com and 7% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Nelsonaudio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.0 kB (13%)

Content Size

556.7 kB

After Optimization

481.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nelsonaudio.com main page is 556.7 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. 70% of websites need less resources to load. Javascripts take 302.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 33.8 kB

  • Original 44.8 kB
  • After minification 42.0 kB
  • After compression 10.9 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 33.8 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 20.9 kB

  • Original 165.2 kB
  • After minification 144.2 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. Obviously, Nelson Audio needs image optimization as it can save up to 20.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 18.2 kB

  • Original 302.2 kB
  • After minification 301.2 kB
  • After compression 284.0 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 2.0 kB

  • Original 44.6 kB
  • After minification 44.6 kB
  • After compression 42.6 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. Nelsonaudio.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (65%)

Requests Now

46

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nelson Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nelsonaudio.com

nelsonaudio.com

147 ms

nelsonaudio.com

nelsonaudio.com

1431 ms

reset.css

reset.css

27 ms

jquery.min.js

jquery.min.js

33 ms

3471fdb47d.js

3471fdb47d.js

285 ms

api.js

api.js

45 ms

lessphp_e74ca5ec79289f5db6fef0d0267cbbc38ac78889.pre.css

lessphp_e74ca5ec79289f5db6fef0d0267cbbc38ac78889.pre.css

57 ms

chosen.pre.css

chosen.pre.css

70 ms

lessphp_2b12214b598708364495ba03c81011451e5fcdf1.pre.css

lessphp_2b12214b598708364495ba03c81011451e5fcdf1.pre.css

68 ms

share.js

share.js

70 ms

lazysizes.min.js

lazysizes.min.js

71 ms

EQCSS.min.js

EQCSS.min.js

71 ms

kajax.js

kajax.js

82 ms

chosen.jquery.js

chosen.jquery.js

92 ms

kform.js

kform.js

91 ms

vanilla-modal.js

vanilla-modal.js

96 ms

disablescroll.jquery.js

disablescroll.jquery.js

96 ms

sticky-kit.jquery.js

sticky-kit.jquery.js

95 ms

ckeditor.js

ckeditor.js

41 ms

3471fdb47d.css

3471fdb47d.css

178 ms

css

css

100 ms

css

css

101 ms

recaptcha__en.js

recaptcha__en.js

32 ms

font-awesome-css.min.css

font-awesome-css.min.css

43 ms

ga.js

ga.js

146 ms

splash.jpg

splash.jpg

169 ms

logobw.png

logobw.png

163 ms

sound.jpg

sound.jpg

150 ms

video2.jpg

video2.jpg

152 ms

staging.jpg

staging.jpg

151 ms

lighting.jpg

lighting.jpg

149 ms

backline5.jpg

backline5.jpg

175 ms

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

SlGVmQWMvZQIdix7AFxXkHNSaA.ttf

112 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

134 ms

sdk.js

sdk.js

76 ms

reset.css

reset.css

55 ms

lessphp_e74ca5ec79289f5db6fef0d0267cbbc38ac78889.pre.css

lessphp_e74ca5ec79289f5db6fef0d0267cbbc38ac78889.pre.css

57 ms

chosen.pre.css

chosen.pre.css

55 ms

lessphp_2b12214b598708364495ba03c81011451e5fcdf1.pre.css

lessphp_2b12214b598708364495ba03c81011451e5fcdf1.pre.css

63 ms

anchor

anchor

56 ms

twitter_icon.png

twitter_icon.png

71 ms

fb_icon.png

fb_icon.png

72 ms

g_plus_icon.png

g_plus_icon.png

136 ms

linked_in_icon.png

linked_in_icon.png

136 ms

__utm.gif

__utm.gif

29 ms

sdk.js

sdk.js

21 ms

styles__ltr.css

styles__ltr.css

17 ms

recaptcha__en.js

recaptcha__en.js

47 ms

9WFGRKJPCYDnPNtkHsd9A4DmYMQ5DrBGEy3ZqrvSuE0.js

9WFGRKJPCYDnPNtkHsd9A4DmYMQ5DrBGEy3ZqrvSuE0.js

46 ms

webworker.js

webworker.js

44 ms

logo_48.png

logo_48.png

31 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

18 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

52 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

54 ms

recaptcha__en.js

recaptcha__en.js

40 ms

Accessibility Review

nelsonaudio.com accessibility score

84

Accessibility Issues

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

nelsonaudio.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nelsonaudio.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nelsonaudio.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nelsonaudio.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

nelsonaudio.com

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