Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

Page Load Speed

188 ms in total

First Response

56 ms

Resources Loaded

59 ms

Page Rendered

73 ms

highvoltage-tester.com screenshot

About Website

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Key Findings

We analyzed Highvoltage-tester.com page load time and found that the first response time was 56 ms and then it took 132 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

highvoltage-tester.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

highvoltage-tester.com

56 ms

bceIDGrPz.js

3 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Highvoltage-tester.com and no external sources were called. The less responsive or slowest element that took the longest time to load (56 ms) belongs to the original domain Highvoltage-tester.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.6 kB (7%)

Content Size

558.1 kB

After Optimization

520.5 kB

In fact, the total size of Highvoltage-tester.com main page is 558.1 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 5% of websites need less resources to load. Images take 475.2 kB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 296 B

  • Original 1.1 kB
  • After minification 1.0 kB
  • After compression 771 B

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 296 B or 28% of the original size.

Image Optimization

-6%

Potential reduce by 27.7 kB

  • Original 475.2 kB
  • After minification 447.5 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. Highvoltage Tester images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 6.6 kB

  • Original 65.1 kB
  • After minification 65.1 kB
  • After compression 58.5 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

-18%

Potential reduce by 3.0 kB

  • Original 16.7 kB
  • After minification 16.7 kB
  • After compression 13.8 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. Highvoltage-tester.com needs all CSS files to be minified and compressed as it can save up to 3.0 kB or 18% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Highvoltage Tester. According to our analytics all requests are already optimized.

Accessibility Review

highvoltage-tester.com accessibility score

86

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

<frame> or <iframe> elements do not have a title

Best Practices

highvoltage-tester.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

SEO Factors

highvoltage-tester.com SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Highvoltage-tester.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Highvoltage-tester.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

Open Graph description is not detected on the main page of Highvoltage Tester. 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: