Tools & Wizards About Us
opendata.ecdc.europa.eu screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% 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

  • 90

    SEO

    Google-friendlier than
    68% of websites

opendata.ecdc.europa.eu

Download historical data (to 14 December 2020) on the daily number of new reported COVID-19 cases and deaths worldwide

Page Load Speed

2.7 sec in total

First Response

501 ms

Resources Loaded

1.9 sec

Page Rendered

251 ms

opendata.ecdc.europa.eu screenshot

About Website

Welcome to opendata.ecdc.europa.eu homepage info - get ready to check Open Data Ecdc Europa best content for Italy right away, or after learning these important things about opendata.ecdc.europa.eu

The downloadable data file was updated daily to 14 December 2020 using the latest available public data on COVID-19. You may use the data in line with ECDC’s copyright policy.

Visit opendata.ecdc.europa.eu

Key Findings

We analyzed Opendata.ecdc.europa.eu page load time and found that the first response time was 501 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

opendata.ecdc.europa.eu performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.123

83/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

opendata.ecdc.europa.eu

501 ms

download-todays-data-geographic-distribution-covid-19-cases-worldwide

109 ms

configuration-2.0.min.js

484 ms

cookieConsentKit-2.0.min.js

491 ms

css_N5ZOoIp0auc-EV56OyTfnCMA3yiy-Wh1_lwuWwt1keo.css

12 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Opendata.ecdc.europa.eu, 74% (20 requests) were made to Ecdc.europa.eu and 11% (3 requests) were made to Cdn.ecdc.europa.eu. The less responsive or slowest element that took the longest time to load (583 ms) relates to the external source Europa.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.7 kB (13%)

Content Size

872.2 kB

After Optimization

759.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opendata.ecdc.europa.eu main page is 872.2 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. Images take 560.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 64.2 kB

  • Original 80.4 kB
  • After minification 74.3 kB
  • After compression 16.2 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 64.2 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 27.2 kB

  • Original 560.2 kB
  • After minification 533.0 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. Open Data Ecdc Europa images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 17.5 kB

  • Original 174.7 kB
  • After minification 174.7 kB
  • After compression 157.2 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.

CSS Optimization

-7%

Potential reduce by 3.8 kB

  • Original 56.9 kB
  • After minification 56.8 kB
  • After compression 53.0 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. Opendata.ecdc.europa.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Data Ecdc Europa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

opendata.ecdc.europa.eu

opendata.ecdc.europa.eu

501 ms

download-todays-data-geographic-distribution-covid-19-cases-worldwide

download-todays-data-geographic-distribution-covid-19-cases-worldwide

109 ms

configuration-2.0.min.js

configuration-2.0.min.js

484 ms

cookieConsentKit-2.0.min.js

cookieConsentKit-2.0.min.js

491 ms

css_N5ZOoIp0auc-EV56OyTfnCMA3yiy-Wh1_lwuWwt1keo.css

css_N5ZOoIp0auc-EV56OyTfnCMA3yiy-Wh1_lwuWwt1keo.css

12 ms

css_WnHEDFUIIcQbpvrpVRDtqiaHov-d6FK5s356IWB6bH0.css

css_WnHEDFUIIcQbpvrpVRDtqiaHov-d6FK5s356IWB6bH0.css

14 ms

js_Baif-aKwKuubxhJIByjRSYZ8V3Y5LWlznDv4YalUR8I.js

js_Baif-aKwKuubxhJIByjRSYZ8V3Y5LWlznDv4YalUR8I.js

14 ms

pa-5af178af36f64000060000dd.js

pa-5af178af36f64000060000dd.js

411 ms

js_TVTuOkRJwBOr7MLJ2DkkHu-FRzUUIk0tpDM2a6C8BRo.js

js_TVTuOkRJwBOr7MLJ2DkkHu-FRzUUIk0tpDM2a6C8BRo.js

18 ms

load.js

load.js

583 ms

js_NBXnF0um1x1xzOhtrw8aBNfDoaCaLttkLe9tIt6A_mM.js

js_NBXnF0um1x1xzOhtrw8aBNfDoaCaLttkLe9tIt6A_mM.js

16 ms

matomo.js

matomo.js

560 ms

logo-ecdc.png

logo-ecdc.png

221 ms

ishpvsafe..PNG

ishpvsafe..PNG

69 ms

4.png

4.png

68 ms

Virtual_Academy_H_1.png

Virtual_Academy_H_1.png

66 ms

11_0.png

11_0.png

69 ms

Download_H.png

Download_H.png

198 ms

Roboto-Regular.woff

Roboto-Regular.woff

226 ms

Roboto-Bold.woff

Roboto-Bold.woff

91 ms

covid-19-new-cases-notification-rates.JPG

covid-19-new-cases-notification-rates.JPG

219 ms

COVID-19-subnational-world-w22-23-2021.png

COVID-19-subnational-world-w22-23-2021.png

354 ms

MetaPro-Bold.woff

MetaPro-Bold.woff

186 ms

MetaPro-Black.woff

MetaPro-Black.woff

414 ms

MetaPro-Book.woff

MetaPro-Book.woff

305 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

455 ms

banner-2.0.min.css

banner-2.0.min.css

116 ms

Accessibility Review

opendata.ecdc.europa.eu accessibility score

98

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

opendata.ecdc.europa.eu 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

SEO Factors

opendata.ecdc.europa.eu SEO score

90

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

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 Opendata.ecdc.europa.eu 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 Opendata.ecdc.europa.eu 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

opendata.ecdc.europa.eu

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