Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

zirtx.com

Zephyr online exam

Page Load Speed

1.5 sec in total

First Response

468 ms

Resources Loaded

880 ms

Page Rendered

147 ms

zirtx.com screenshot

About Website

Visit zirtx.com now to see the best up-to-date Zirtx content and also check out these interesting facts you probably never knew about zirtx.com

Visit zirtx.com

Key Findings

We analyzed Zirtx.com page load time and found that the first response time was 468 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

zirtx.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

zirtx.com

468 ms

style.css

176 ms

promo-flags.js.php

70 ms

top-bottom.png

55 ms

panel-logo.png

57 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Zirtx.com, 5% (1 request) were made to Promo.parallels.com. The less responsive or slowest element that took the longest time to load (468 ms) belongs to the original domain Zirtx.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.8 kB (25%)

Content Size

84.8 kB

After Optimization

64.0 kB

In fact, the total size of Zirtx.com main page is 84.8 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. Images take 63.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.6 kB

  • Original 11.5 kB
  • After minification 9.9 kB
  • After compression 2.9 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. This page needs HTML code to be minified as it can gain 1.5 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.6 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 5.1 kB

  • Original 63.9 kB
  • After minification 58.8 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. Zirtx images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 152 B

  • Original 309 B
  • After minification 238 B
  • After compression 157 B

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 152 B or 49% of the original size.

CSS Optimization

-76%

Potential reduce by 6.9 kB

  • Original 9.1 kB
  • After minification 7.8 kB
  • After compression 2.2 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. Zirtx.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zirtx. According to our analytics all requests are already optimized.

Accessibility Review

zirtx.com accessibility score

97

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.

Best Practices

zirtx.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zirtx.com SEO score

88

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

High

Tap targets are not sized appropriately

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 Zirtx.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 Zirtx.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 Zirtx. 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: