Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

covid19-testing.org

Covid Testing Network Ltd - Landing

Page Load Speed

2.3 sec in total

First Response

280 ms

Resources Loaded

1.9 sec

Page Rendered

93 ms

covid19-testing.org screenshot

About Website

Click here to check amazing Covid 19 Testing content for United Kingdom. Otherwise, check out these important facts you probably never knew about covid19-testing.org

Helping choose the right PCR test for your trip

Visit covid19-testing.org

Key Findings

We analyzed Covid19-testing.org page load time and found that the first response time was 280 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

covid19-testing.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value3,070 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

covid19-testing.org

280 ms

travel-testing

109 ms

Pes8uY-jiVPW2pAnA2FNuAhLTQ4.js

246 ms

jquery.min.js

28 ms

jquery-ui.min.js

33 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 29% of them (15 requests) were addressed to the original Covid19-testing.org, 33% (17 requests) were made to Use.typekit.net and 6% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (826 ms) belongs to the original domain Covid19-testing.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.0 kB (36%)

Content Size

622.4 kB

After Optimization

397.4 kB

In fact, the total size of Covid19-testing.org main page is 622.4 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. 45% of websites need less resources to load. Javascripts take 580.6 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 17.3 kB

  • Original 26.2 kB
  • After minification 26.1 kB
  • After compression 8.8 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 17.3 kB or 66% of the original size.

Image Optimization

-32%

Potential reduce by 3.3 kB

  • Original 10.6 kB
  • After minification 7.2 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, Covid 19 Testing needs image optimization as it can save up to 3.3 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-35%

Potential reduce by 204.3 kB

  • Original 580.6 kB
  • After minification 580.6 kB
  • After compression 376.3 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 204.3 kB or 35% of the original size.

CSS Optimization

-0%

Potential reduce by 20 B

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 5.1 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. Covid19-testing.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (67%)

Requests Now

33

After Optimization

11

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Covid 19 Testing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

covid19-testing.org accessibility score

75

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

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

covid19-testing.org 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

High

Page has valid source maps

SEO Factors

covid19-testing.org 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Covid19-testing.org 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 Covid19-testing.org 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 data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: