Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

xerebrus.com

XEREBRUS

Page Load Speed

4.5 sec in total

First Response

1.7 sec

Resources Loaded

2.4 sec

Page Rendered

372 ms

xerebrus.com screenshot

About Website

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

Xerebrus is a developer and manufacturer of personal lighting solutions (specifically mining lamps) for underground mining operations.

Visit xerebrus.com

Key Findings

We analyzed Xerebrus.com page load time and found that the first response time was 1.7 sec and then it took 2.8 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

xerebrus.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

xerebrus.com

1675 ms

jquery-1.7.1.min.js

141 ms

jquery.fancybox-1.3.1.pack.js

101 ms

jquery.cycle.all.min.js

117 ms

jquery.easing-1.3.pack.js

108 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 69% of them (31 requests) were addressed to the original Xerebrus.com, 7% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Assets.pinterest.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Xerebrus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.0 kB (37%)

Content Size

1.3 MB

After Optimization

804.1 kB

In fact, the total size of Xerebrus.com main page is 1.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 761.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 67.3 kB

  • Original 86.7 kB
  • After minification 86.0 kB
  • After compression 19.4 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 67.3 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 93.3 kB

  • Original 761.4 kB
  • After minification 668.1 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, XEREBRUS needs image optimization as it can save up to 93.3 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

-71%

Potential reduce by 255.8 kB

  • Original 360.8 kB
  • After minification 281.8 kB
  • After compression 105.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 255.8 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 62.7 kB

  • Original 74.3 kB
  • After minification 56.0 kB
  • After compression 11.6 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. Xerebrus.com needs all CSS files to be minified and compressed as it can save up to 62.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (49%)

Requests Now

41

After Optimization

21

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of XEREBRUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

xerebrus.com accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Links do not have a discernible name

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

xerebrus.com best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

xerebrus.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xerebrus.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 Xerebrus.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 XEREBRUS. 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: