Tools & Wizards About Us
covid19corona.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

covid19corona.com

9001cc金沙以诚为本(中国)有限公司

Page Load Speed

3.3 sec in total

First Response

315 ms

Resources Loaded

2.2 sec

Page Rendered

783 ms

covid19corona.com screenshot

About Website

Welcome to covid19corona.com homepage info - get ready to check Covid 19 Corona best content for Singapore right away, or after learning these important things about covid19corona.com

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Visit covid19corona.com

Key Findings

We analyzed Covid19corona.com page load time and found that the first response time was 315 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

covid19corona.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

covid19corona.com

315 ms

iconfont.css

130 ms

stui_block.css

135 ms

stui_block_color.css

137 ms

stui_default.css

139 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Covid19corona.com, 2% (1 request) were made to Js.users.51.la and 2% (1 request) were made to Sstatic1.histats.com. The less responsive or slowest element that took the longest time to load (717 ms) relates to the external source Js.users.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 320.2 kB (10%)

Content Size

3.2 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Covid19corona.com main page is 3.2 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. 45% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 281.7 kB

  • Original 313.5 kB
  • After minification 313.5 kB
  • After compression 31.8 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 281.7 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 17.2 kB

  • Original 2.8 MB
  • After minification 2.8 MB

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 19 Corona images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 17.8 kB

  • Original 137.9 kB
  • After minification 137.9 kB
  • After compression 120.1 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 17.8 kB or 13% of the original size.

CSS Optimization

-13%

Potential reduce by 3.4 kB

  • Original 26.7 kB
  • After minification 26.7 kB
  • After compression 23.2 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. Covid19corona.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (33%)

Requests Now

48

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Covid 19 Corona. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

covid19corona.com

covid19corona.com

315 ms

iconfont.css

iconfont.css

130 ms

stui_block.css

stui_block.css

135 ms

stui_block_color.css

stui_block_color.css

137 ms

stui_default.css

stui_default.css

139 ms

jquery.min.js

jquery.min.js

213 ms

stui_default.js

stui_default.js

225 ms

stui_block.js

stui_block.js

193 ms

gg.js

gg.js

199 ms

tongyong.script

tongyong.script

202 ms

jquery.autocomplete.js

jquery.autocomplete.js

208 ms

21929735.js

21929735.js

717 ms

0.gif

0.gif

61 ms

bg.jpg

bg.jpg

88 ms

logo_max.png

logo_max.png

90 ms

icon_1.png

icon_1.png

87 ms

icon_12.png

icon_12.png

88 ms

icon_2.png

icon_2.png

89 ms

icon_3.png

icon_3.png

89 ms

icon_4.png

icon_4.png

131 ms

icon_26.png

icon_26.png

132 ms

load.gif

load.gif

146 ms

play.png

play.png

80 ms

gLtqripAA==

gLtqripAA==

25 ms

frame.js

frame.js

161 ms

share.js

share.js

69 ms

60589d2cc694b8edb97212b2e54b1fb6.jpg

60589d2cc694b8edb97212b2e54b1fb6.jpg

139 ms

f2559d1deac55e4a8cf567bd7f3bb15a.jpg

f2559d1deac55e4a8cf567bd7f3bb15a.jpg

393 ms

c695fcd6b006f7f542538345bd6cd029.jpg

c695fcd6b006f7f542538345bd6cd029.jpg

137 ms

dfe2549050442599667e035fbe5b0c9a.jpg

dfe2549050442599667e035fbe5b0c9a.jpg

80 ms

3838baf4296914e30cf46a9adbd50938.jpg

3838baf4296914e30cf46a9adbd50938.jpg

488 ms

7c527a472b2d6d4750a72bcc274db2ec.jpg

7c527a472b2d6d4750a72bcc274db2ec.jpg

177 ms

1ad0ccfa7d0151a9736b502271b3d18b.jpg

1ad0ccfa7d0151a9736b502271b3d18b.jpg

225 ms

a4bc8e5da302661ef4eba59b6d9004b3.jpg

a4bc8e5da302661ef4eba59b6d9004b3.jpg

275 ms

acf7d8dfa4f6d97e9b99820fbb3c2ea9.jpg

acf7d8dfa4f6d97e9b99820fbb3c2ea9.jpg

278 ms

0891ae45bdc2e114b8172bc1914dba70.jpg

0891ae45bdc2e114b8172bc1914dba70.jpg

244 ms

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c481b363c782f247471bbc4cf25d23f4.jpg

364 ms

b37f81fb3f2eefa9f71a25d36db6326b.jpg

b37f81fb3f2eefa9f71a25d36db6326b.jpg

375 ms

7ef02a83a9e7b8784618eab9bf588a1f.jpg

7ef02a83a9e7b8784618eab9bf588a1f.jpg

411 ms

34c2cfdd68e77d8980caf7e0732f9844.jpg

34c2cfdd68e77d8980caf7e0732f9844.jpg

697 ms

2b6354f4633d5abdba8162dab83711b7.jpg

2b6354f4633d5abdba8162dab83711b7.jpg

439 ms

a2733800d68bb418c3fad379db1b8db0.jpg

a2733800d68bb418c3fad379db1b8db0.jpg

511 ms

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603bcad3bbed50dba9c4981761ddfe07.jpg

523 ms

9983e3d38684e86ffc53102229b6cbaa.jpg

9983e3d38684e86ffc53102229b6cbaa.jpg

486 ms

share_api.js

share_api.js

460 ms

share_view.js

share_view.js

508 ms

tangram.js

tangram.js

72 ms

api_base.js

api_base.js

69 ms

view_base.js

view_base.js

67 ms

partners.js

partners.js

67 ms

share_style0_24.css

share_style0_24.css

69 ms

share.png

share.png

74 ms

Accessibility Review

covid19corona.com accessibility score

44

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

covid19corona.com best practices score

67

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

Browser errors were logged to the console

SEO Factors

covid19corona.com SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Covid19corona.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 Covid19corona.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

covid19corona.com

Open Graph description is not detected on the main page of Covid 19 Corona. 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: