Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

virus-experts.com

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Page Load Speed

3.4 sec in total

First Response

728 ms

Resources Loaded

2 sec

Page Rendered

675 ms

virus-experts.com screenshot

About Website

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Key Findings

We analyzed Virus-experts.com page load time and found that the first response time was 728 ms and then it took 2.6 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

virus-experts.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value4,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.334

34/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

virus-experts.com

728 ms

wp-emoji-release.min.js

113 ms

styles.css

129 ms

jss-style.min.css

144 ms

style.css

251 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 47% of them (28 requests) were addressed to the original Virus-experts.com, 22% (13 requests) were made to Apis.google.com and 7% (4 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (728 ms) belongs to the original domain Virus-experts.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 453.6 kB (37%)

Content Size

1.2 MB

After Optimization

785.0 kB

In fact, the total size of Virus-experts.com main page is 1.2 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. 65% of websites need less resources to load. Images take 565.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.6 kB

  • Original 47.3 kB
  • After minification 39.1 kB
  • After compression 8.7 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 8.2 kB, which is 17% 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 38.6 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 7.4 kB

  • Original 565.1 kB
  • After minification 557.8 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. Virus Experts images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 155.1 kB

  • Original 330.6 kB
  • After minification 325.7 kB
  • After compression 175.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 155.1 kB or 47% of the original size.

CSS Optimization

-85%

Potential reduce by 252.7 kB

  • Original 295.6 kB
  • After minification 246.2 kB
  • After compression 42.9 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. Virus-experts.com needs all CSS files to be minified and compressed as it can save up to 252.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (60%)

Requests Now

57

After Optimization

23

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virus Experts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

virus-experts.com accessibility score

45

Accessibility Issues

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

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

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

virus-experts.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

General

Impact

Issue

High

Missing source maps for large first-party JavaScript

SEO Factors

virus-experts.com SEO score

92

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

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Virus-experts.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Virus-experts.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 Virus Experts. 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: