Tools & Wizards About Us
cerre.eu screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

cerre.eu

CERRE is one of Europe's leading think tanks in Brussels

Page Load Speed

4.7 sec in total

First Response

581 ms

Resources Loaded

3.8 sec

Page Rendered

367 ms

cerre.eu screenshot

About Website

Visit cerre.eu now to see the best up-to-date CERRE content and also check out these interesting facts you probably never knew about cerre.eu

CERRE is one of the leading think tanks in Brussels advancing European regulation for energy, digital, tech, media, mobility, telecom,...

Visit cerre.eu

Key Findings

We analyzed Cerre.eu page load time and found that the first response time was 581 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cerre.eu performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

cerre.eu

581 ms

cerre.eu

1707 ms

ae-pro.min.css

103 ms

search-filter.min.css

204 ms

vegas.min.css

296 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 84% of them (56 requests) were addressed to the original Cerre.eu, 13% (9 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cerre.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.9 kB (12%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cerre.eu 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. 50% of websites need less resources to load. Images take 752.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 140.3 kB

  • Original 170.1 kB
  • After minification 165.0 kB
  • After compression 29.8 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 140.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 752.8 kB
  • After minification 752.8 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. CERRE images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 248 B

  • Original 185.1 kB
  • After minification 185.1 kB
  • After compression 184.9 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

-2%

Potential reduce by 1.3 kB

  • Original 71.9 kB
  • After minification 71.6 kB
  • After compression 70.6 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. Cerre.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (84%)

Requests Now

55

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERRE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cerre.eu

cerre.eu

581 ms

cerre.eu

cerre.eu

1707 ms

ae-pro.min.css

ae-pro.min.css

103 ms

search-filter.min.css

search-filter.min.css

204 ms

vegas.min.css

vegas.min.css

296 ms

style.min.css

style.min.css

299 ms

theme.min.css

theme.min.css

298 ms

style.css

style.css

298 ms

header-footer.min.css

header-footer.min.css

299 ms

frontend-lite.min.css

frontend-lite.min.css

306 ms

post-108.css

post-108.css

395 ms

swiper.min.css

swiper.min.css

398 ms

frontend-lite.min.css

frontend-lite.min.css

397 ms

post-75.css

post-75.css

398 ms

post-126.css

post-126.css

399 ms

post-143.css

post-143.css

405 ms

post-4185.css

post-4185.css

493 ms

css

css

32 ms

style.css

style.css

496 ms

jquery.min.js

jquery.min.js

598 ms

jquery-migrate.min.js

jquery-migrate.min.js

498 ms

search-filter-elementor.js

search-filter-elementor.js

498 ms

style.basic-ho-is-po-no-da-au-se-is.css

style.basic-ho-is-po-no-da-au-se-is.css

504 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

592 ms

widget-call-to-action.min.css

widget-call-to-action.min.css

594 ms

widget-icon-list.min.css

widget-icon-list.min.css

594 ms

animations.min.css

animations.min.css

674 ms

post-536.css

post-536.css

675 ms

ae-pro.min.js

ae-pro.min.js

708 ms

index.min.js

index.min.js

804 ms

dynamic-conditions-public.js

dynamic-conditions-public.js

707 ms

vegas.min.js

vegas.min.js

707 ms

hello-frontend.min.js

hello-frontend.min.js

707 ms

jquery.sticky.min.js

jquery.sticky.min.js

707 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

806 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

804 ms

webpack.runtime.min.js

webpack.runtime.min.js

807 ms

frontend-modules.min.js

frontend-modules.min.js

905 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

804 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

803 ms

wp-polyfill.min.js

wp-polyfill.min.js

707 ms

hooks.min.js

hooks.min.js

618 ms

i18n.min.js

i18n.min.js

617 ms

frontend.min.js

frontend.min.js

616 ms

waypoints.min.js

waypoints.min.js

709 ms

core.min.js

core.min.js

713 ms

frontend.min.js

frontend.min.js

704 ms

elements-handlers.min.js

elements-handlers.min.js

620 ms

asp-ea6d9594.js

asp-ea6d9594.js

620 ms

gtm.js

gtm.js

132 ms

cerre_logo_NOTAG-768x186.jpg

cerre_logo_NOTAG-768x186.jpg

386 ms

AdobeStock_218763808.jpg

AdobeStock_218763808.jpg

875 ms

Energy_206290177-1-scaled-768x576.jpg

Energy_206290177-1-scaled-768x576.jpg

680 ms

CERRE-tech-and-media-768x503.jpg

CERRE-tech-and-media-768x503.jpg

595 ms

CERRE-mobility-768x513.jpg

CERRE-mobility-768x513.jpg

584 ms

NETWORK_749125771-1024x615.jpg

NETWORK_749125771-1024x615.jpg

694 ms

logo10YEARS_light-1024x888.jpg

logo10YEARS_light-1024x888.jpg

590 ms

Linearicons-Free.woff

Linearicons-Free.woff

635 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aXw.woff

35 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aXw.woff

41 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aXw.woff

56 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aXw.woff

63 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aXw.woff

64 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aXw.woff

94 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aXw.woff

65 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aXw.woff

63 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aXw.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aXw.woff

64 ms

Accessibility Review

cerre.eu accessibility score

92

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cerre.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

High

Page has valid source maps

SEO Factors

cerre.eu SEO score

97

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 Cerre.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 Cerre.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

cerre.eu

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