Tools & Wizards About Us
en.acatech.de screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

en.acatech.de

acatech – National Academy of Science and Engineering

Page Load Speed

4.9 sec in total

First Response

980 ms

Resources Loaded

3.2 sec

Page Rendered

675 ms

en.acatech.de screenshot

About Website

Click here to check amazing En Acatech content for Russia. Otherwise, check out these important facts you probably never knew about en.acatech.de

acatech – National Academy of Science and Engineering provides policymakers and society with independent, evidence-based advice that is in the public interest

Visit en.acatech.de

Key Findings

We analyzed En.acatech.de page load time and found that the first response time was 980 ms and then it took 3.9 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

en.acatech.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.9 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.425

22/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

en.acatech.de

980 ms

zebra_tooltips.css

298 ms

style.min.css

565 ms

image-map-pro.min.css

285 ms

style.min.css

686 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 98% of them (59 requests) were addressed to the original En.acatech.de, 2% (1 request) were made to Acatech.de. The less responsive or slowest element that took the longest time to load (980 ms) belongs to the original domain En.acatech.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (26%)

Content Size

6.0 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of En.acatech.de main page is 6.0 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 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 135.0 kB

  • Original 155.5 kB
  • After minification 150.1 kB
  • After compression 20.5 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 135.0 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 427.5 kB

  • Original 4.5 MB
  • After minification 4.1 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. En Acatech images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 430.0 kB

  • Original 616.2 kB
  • After minification 615.7 kB
  • After compression 186.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 430.0 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 593.0 kB

  • Original 684.6 kB
  • After minification 564.1 kB
  • After compression 91.7 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. En.acatech.de needs all CSS files to be minified and compressed as it can save up to 593.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (34%)

Requests Now

53

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Acatech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

en.acatech.de

en.acatech.de

980 ms

zebra_tooltips.css

zebra_tooltips.css

298 ms

style.min.css

style.min.css

565 ms

image-map-pro.min.css

image-map-pro.min.css

285 ms

style.min.css

style.min.css

686 ms

borlabs-cookie_6_en.css

borlabs-cookie_6_en.css

439 ms

style.min.css

style.min.css

720 ms

style.css

style.css

404 ms

jquery.min.js

jquery.min.js

382 ms

jquery-migrate.min.js

jquery-migrate.min.js

477 ms

borlabs-cookie-prioritize.min.js

borlabs-cookie-prioritize.min.js

503 ms

zebra_tooltips.js

zebra_tooltips.js

350 ms

image-map-pro.min.js

image-map-pro.min.js

387 ms

main.min.js

main.min.js

514 ms

angular.min.js

angular.min.js

653 ms

acatech.ng.min.js

acatech.ng.min.js

469 ms

comment-reply.min.js

comment-reply.min.js

481 ms

wp-gallery-custom-links.js

wp-gallery-custom-links.js

650 ms

script.min.js

script.min.js

651 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

652 ms

acatech_instagram_icon@1x.png

acatech_instagram_icon@1x.png

455 ms

aca_logo_NASE_pos_RGB_2016-08.png

aca_logo_NASE_pos_RGB_2016-08.png

116 ms

aca_headerlogo_en_neg_2016-08.png

aca_headerlogo_en_neg_2016-08.png

117 ms

iStock-962093568_Slider-1897x855.jpg

iStock-962093568_Slider-1897x855.jpg

377 ms

AdobeStock_624440770_Slider.jpg

AdobeStock_624440770_Slider.jpg

313 ms

Slider-2-DSC_0757.jpg

Slider-2-DSC_0757.jpg

207 ms

IMG_0095Slider.jpg

IMG_0095Slider.jpg

255 ms

2024_0221_Conf_Dassault-12-scaled-1-1900x855.jpg

2024_0221_Conf_Dassault-12-scaled-1-1900x855.jpg

206 ms

AfT_Slider-1895x855.jpg

AfT_Slider-1895x855.jpg

302 ms

acatech_icon.png

acatech_icon.png

293 ms

iStock-660311458_teaser-540x360.jpg

iStock-660311458_teaser-540x360.jpg

304 ms

acatech-circular-economy-themenseite-teaser-1-540x360.jpg

acatech-circular-economy-themenseite-teaser-1-540x360.jpg

353 ms

iStock-529418742_teaser-540x360.jpg

iStock-529418742_teaser-540x360.jpg

447 ms

shutterstock_348881354_Dmitry-Eagle-Orlov_teaser-540x360.jpg

shutterstock_348881354_Dmitry-Eagle-Orlov_teaser-540x360.jpg

449 ms

iStock_1361690416_LeoPatrizi-scaled-1-720x480.jpg

iStock_1361690416_LeoPatrizi-scaled-1-720x480.jpg

447 ms

DSC_0037_edited_teaser-540x360.jpg

DSC_0037_edited_teaser-540x360.jpg

448 ms

IMP_Biotechnologie_Titelmotiv_hochaufl%C3%B6send_teaser-540x360.jpg

IMP_Biotechnologie_Titelmotiv_hochaufl%C3%B6send_teaser-540x360.jpg

457 ms

Foto-News-Publikation-SAPEA-720x480.jpg

Foto-News-Publikation-SAPEA-720x480.jpg

470 ms

241031_FHI_ASE_Erfolgsgeschichten-Broschuere_Titel_300-scaled-1-720x480.jpg

241031_FHI_ASE_Erfolgsgeschichten-Broschuere_Titel_300-scaled-1-720x480.jpg

477 ms

Julia-Arlinghaus-CFraunhofer-IFF_Viktoria-Kuhne_1000x700-720x480.jpg

Julia-Arlinghaus-CFraunhofer-IFF_Viktoria-Kuhne_1000x700-720x480.jpg

498 ms

Foto-News_0083-720x480.jpg

Foto-News_0083-720x480.jpg

501 ms

cover2-720x480.png

cover2-720x480.png

518 ms

BauenWohnen_KV_16_9_Blue_noschrift-1-720x480.png

BauenWohnen_KV_16_9_Blue_noschrift-1-720x480.png

548 ms

2021-Lernwerkstatt_News-720x480.jpg

2021-Lernwerkstatt_News-720x480.jpg

563 ms

iStock-922107232-720x480.jpg

iStock-922107232-720x480.jpg

570 ms

Deckblatt_Value-Assessment-470x672.png

Deckblatt_Value-Assessment-470x672.png

597 ms

Cover_Impuls_Carbon-management_EN.jpg

Cover_Impuls_Carbon-management_EN.jpg

600 ms

Cover_Stellungnahme_Climate-neutral_EN.jpg

Cover_Stellungnahme_Climate-neutral_EN.jpg

632 ms

acatech_Jahresbericht2023_ENG_Cover-470x672.jpg

acatech_Jahresbericht2023_ENG_Cover-470x672.jpg

646 ms

In-White-0p5in-R_CK-01.png

In-White-0p5in-R_CK-01.png

656 ms

Twitter_Social_Icon_Rounded_Square_White_acatech.png

Twitter_Social_Icon_Rounded_Square_White_acatech.png

674 ms

youtube_ck.png

youtube_ck.png

694 ms

34F3E1_0_0.woff

34F3E1_0_0.woff

584 ms

34F3E1_2_0.woff

34F3E1_2_0.woff

614 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

639 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

640 ms

34F3E1_3_0.woff

34F3E1_3_0.woff

649 ms

34F3E1_1_0.woff

34F3E1_1_0.woff

680 ms

ajax-loader.gif

ajax-loader.gif

360 ms

print.min.css

print.min.css

96 ms

Accessibility Review

en.acatech.de accessibility score

90

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

en.acatech.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

en.acatech.de SEO score

83

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

    EN

  • Encoding

    UTF-8

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

en.acatech.de

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