Tools & Wizards About Us
covidtracking.com screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

covidtracking.com

The COVID Tracking Project | The COVID Tracking Project

Page Load Speed

2.1 sec in total

First Response

108 ms

Resources Loaded

1.3 sec

Page Rendered

694 ms

covidtracking.com screenshot

About Website

Click here to check amazing COVID Tracking content for United States. Otherwise, check out these important facts you probably never knew about covidtracking.com

The COVID Tracking Project collects and publishes the most complete testing data available for US states and territories.

Visit covidtracking.com

Key Findings

We analyzed Covidtracking.com page load time and found that the first response time was 108 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

covidtracking.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

covidtracking.com

108 ms

polyfill.min.js

45 ms

api.js

42 ms

polyfill-a195be0e93a687215a5b.js

58 ms

component---src-pages-index-js-dc9d80d9a499d6053d24.js

40 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 97% of them (135 requests) were addressed to the original Covidtracking.com, 1% (1 request) were made to Cdn.polyfill.io and 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (679 ms) belongs to the original domain Covidtracking.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.6 kB (15%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Covidtracking.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. 70% of websites need less resources to load. Images take 801.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 185.0 kB

  • Original 240.1 kB
  • After minification 239.8 kB
  • After compression 55.1 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 185.0 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 801.6 kB
  • After minification 801.6 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. COVID Tracking images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.6 kB

  • Original 220.9 kB
  • After minification 220.8 kB
  • After compression 219.4 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.

Requests Breakdown

Number of requests can be reduced by 10 (7%)

Requests Now

135

After Optimization

125

  • AJAX
  • Images
  • JavaScript

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COVID Tracking. 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 as a result speed up the page load time.

Network Requests Diagram

covidtracking.com

covidtracking.com

108 ms

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polyfill.min.js

45 ms

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42 ms

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58 ms

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203 ms

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221 ms

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215 ms

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212 ms

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Accessibility Review

covidtracking.com accessibility score

98

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

covidtracking.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

covidtracking.com SEO score

99

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Covidtracking.com 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 Covidtracking.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

covidtracking.com

Open Graph data is detected on the main page of COVID Tracking. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: