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z3-audiolabs.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

z3-audiolabs.com

Z3 Audiolabs

Page Load Speed

6.1 sec in total

First Response

357 ms

Resources Loaded

5.6 sec

Page Rendered

131 ms

z3-audiolabs.com screenshot

About Website

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Key Findings

We analyzed Z3-audiolabs.com page load time and found that the first response time was 357 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

z3-audiolabs.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

z3-audiolabs.com

357 ms

www.z3-audiolabs.com

2547 ms

439 ms

524 ms

wp-special-textboxes.css.php

1556 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Z3-audiolabs.com, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Z3-audiolabs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.1 kB (31%)

Content Size

759.6 kB

After Optimization

524.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Z3-audiolabs.com main page is 759.6 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. Images take 514.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 18.7 kB

  • Original 24.9 kB
  • After minification 23.0 kB
  • After compression 6.3 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 18.7 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 62.2 kB

  • Original 514.3 kB
  • After minification 452.0 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, Z3 Audiolabs needs image optimization as it can save up to 62.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 99.3 kB

  • Original 157.2 kB
  • After minification 157.1 kB
  • After compression 57.9 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 99.3 kB or 63% of the original size.

CSS Optimization

-87%

Potential reduce by 54.9 kB

  • Original 63.2 kB
  • After minification 45.4 kB
  • After compression 8.2 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. Z3-audiolabs.com needs all CSS files to be minified and compressed as it can save up to 54.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (68%)

Requests Now

22

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z3 Audiolabs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

z3-audiolabs.com

z3-audiolabs.com

357 ms

www.z3-audiolabs.com

www.z3-audiolabs.com

2547 ms

439 ms

524 ms

wp-special-textboxes.css.php

wp-special-textboxes.css.php

1556 ms

si_captcha.js

si_captcha.js

207 ms

black.css

black.css

208 ms

jquery.js

jquery.js

317 ms

jquery-migrate.min.js

jquery-migrate.min.js

415 ms

773 ms

738 ms

807 ms

style.css

style.css

212 ms

analytics.js

analytics.js

95 ms

background.jpg

background.jpg

628 ms

header.jpg

header.jpg

422 ms

twitter-icon.png

twitter-icon.png

206 ms

facebook-icon.png

facebook-icon.png

234 ms

youtube-icon.png

youtube-icon.png

207 ms

googleplus-icon.png

googleplus-icon.png

234 ms

bondage.png

bondage.png

1121 ms

collect

collect

2 ms

collect

collect

59 ms

loadingAnimation.gif

loadingAnimation.gif

312 ms

ga-audiences

ga-audiences

34 ms

Accessibility Review

z3-audiolabs.com accessibility score

79

Accessibility Issues

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

z3-audiolabs.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

z3-audiolabs.com SEO score

89

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z3-audiolabs.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 Z3-audiolabs.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

z3-audiolabs.com

Open Graph data is detected on the main page of Z3 Audiolabs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: