Tools & Wizards About Us
davidsaudio.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

davidsaudio.com

David's Audio -Scientific Audio Electronics, Infinity, Great American Sound, and SUMO

Page Load Speed

468 ms in total

First Response

120 ms

Resources Loaded

262 ms

Page Rendered

86 ms

davidsaudio.com screenshot

About Website

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

A site dedicated to audio equipment, | Scientific Audio Electronics (SAE), SUMO, GAS, and Infinity speakers

Visit davidsaudio.com

Key Findings

We analyzed Davidsaudio.com page load time and found that the first response time was 120 ms and then it took 348 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

davidsaudio.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

davidsaudio.com

120 ms

rollover.js

30 ms

style.css

36 ms

site.css

49 ms

js

19 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 96% of them (26 requests) were addressed to the original Davidsaudio.com, 4% (1 request) were made to Static.getclicky.com. The less responsive or slowest element that took the longest time to load (120 ms) belongs to the original domain Davidsaudio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.3 kB (75%)

Content Size

48.1 kB

After Optimization

11.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Davidsaudio.com main page is 48.1 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. Only 10% of websites need less resources to load. Javascripts take 24.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 16.1 kB

  • Original 19.5 kB
  • After minification 18.0 kB
  • After compression 3.4 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 16.1 kB or 82% of the original size.

Image Optimization

-13%

Potential reduce by 516 B

  • Original 3.9 kB
  • After minification 3.4 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, David S Audio needs image optimization as it can save up to 516 B 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

-79%

Potential reduce by 19.5 kB

  • Original 24.6 kB
  • After minification 21.4 kB
  • After compression 5.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 19.5 kB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 127 B

  • Original 147 B
  • After minification 20 B
  • After compression 20 B

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. Davidsaudio.com needs all CSS files to be minified and compressed as it can save up to 127 B or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (73%)

Requests Now

26

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of David S Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

davidsaudio.com

davidsaudio.com

120 ms

rollover.js

rollover.js

30 ms

style.css

style.css

36 ms

site.css

site.css

49 ms

js

js

19 ms

corner_logo_bl.gif

corner_logo_bl.gif

20 ms

corner_logo_br.gif

corner_logo_br.gif

21 ms

bridge.gif

bridge.gif

36 ms

clearpixel.gif

clearpixel.gif

36 ms

spacer.gif

spacer.gif

33 ms

header_l.gif

header_l.gif

38 ms

header_r.gif

header_r.gif

39 ms

nav_t_bak.gif

nav_t_bak.gif

41 ms

Home_Hhighlighted_1_1.gif

Home_Hhighlighted_1_1.gif

53 ms

SAE_Nregular_1_1.gif

SAE_Nregular_1_1.gif

57 ms

Vintage_Infinity__Speakers_andNregular_1_1.gif

Vintage_Infinity__Speakers_andNregular_1_1.gif

53 ms

Great_American_Sound__Gas__andNregular_1_1.gif

Great_American_Sound__Gas__andNregular_1_1.gif

61 ms

Tube_Audio_Nregular_1_1.gif

Tube_Audio_Nregular_1_1.gif

59 ms

Links_Nregular_1_1.gif

Links_Nregular_1_1.gif

63 ms

Contact_Wanted_Nregular_1_1.gif

Contact_Wanted_Nregular_1_1.gif

70 ms

spacer1.gif

spacer1.gif

71 ms

a_SAE_Logo_New.jpg

a_SAE_Logo_New.jpg

76 ms

a_IMG_0012.gif

a_IMG_0012.gif

77 ms

logo_bak.gif

logo_bak.gif

65 ms

header_bak.gif

header_bak.gif

64 ms

bridge_bak.gif

bridge_bak.gif

71 ms

nav_bak.gif

nav_bak.gif

75 ms

Accessibility Review

davidsaudio.com accessibility score

93

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

Best Practices

davidsaudio.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

davidsaudio.com SEO score

75

Search Engine Optimization Advices

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 Davidsaudio.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 Davidsaudio.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

davidsaudio.com

Open Graph description is not detected on the main page of David S Audio. 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: