Tools & Wizards About Us
dife.de screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dife.de

Deutsches Institut für Ernährungsforschung Potsdam-Rehbrücke: Startseite

Page Load Speed

3.1 sec in total

First Response

326 ms

Resources Loaded

2.3 sec

Page Rendered

446 ms

dife.de screenshot

About Website

Click here to check amazing Dife content for Germany. Otherwise, check out these important facts you probably never knew about dife.de

Das Deutsche Institut für Ernährungsforschung Potsdam-Rehbrücke erforscht den Einfluss der Ernährung auf die Gesundheit, mit dem Ziel, wissenschaftliche Erkenntnisse für Prävention und Therapie ernähr...

Visit dife.de

Key Findings

We analyzed Dife.de page load time and found that the first response time was 326 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dife.de performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.241

52/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

dife.de

326 ms

dife.de

380 ms

www.dife.de

608 ms

vendors.1eb020d9b8448ce5279d.css

96 ms

main.13072c3fc121877d6e69.css

193 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 81% of them (25 requests) were addressed to the original Dife.de, 10% (3 requests) were made to App.usercentrics.eu and 3% (1 request) were made to Privacy-proxy.usercentrics.eu. The less responsive or slowest element that took the longest time to load (749 ms) belongs to the original domain Dife.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 266.1 kB (23%)

Content Size

1.2 MB

After Optimization

912.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dife.de 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. 65% of websites need less resources to load. Images take 615.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 256.7 kB

  • Original 294.8 kB
  • After minification 282.9 kB
  • After compression 38.2 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 256.7 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 9.4 kB

  • Original 615.6 kB
  • After minification 606.2 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. Dife images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 268.4 kB
  • After minification 268.4 kB
  • After compression 268.4 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 6 (26%)

Requests Now

23

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dife. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dife.de

dife.de

326 ms

dife.de

dife.de

380 ms

www.dife.de

www.dife.de

608 ms

vendors.1eb020d9b8448ce5279d.css

vendors.1eb020d9b8448ce5279d.css

96 ms

main.13072c3fc121877d6e69.css

main.13072c3fc121877d6e69.css

193 ms

additional.css

additional.css

280 ms

additional.js

additional.js

284 ms

main.js

main.js

19 ms

uc-block.bundle.js

uc-block.bundle.js

21 ms

runtime.708da4bc9214fef2d0bf.js

runtime.708da4bc9214fef2d0bf.js

307 ms

vendors.bundle.js

vendors.bundle.js

749 ms

main.bundle.js

main.bundle.js

308 ms

bundle.js

bundle.js

65 ms

twitter.svg

twitter.svg

109 ms

Startseite_18.jpg

Startseite_18.jpg

663 ms

240507_PTdW_Teaser.jpg

240507_PTdW_Teaser.jpg

278 ms

240426_Zukunftstag_Teaser.jpg

240426_Zukunftstag_Teaser.jpg

374 ms

240423_SDD_Teaser.jpg

240423_SDD_Teaser.jpg

279 ms

logo_leibniz.svg

logo_leibniz.svg

186 ms

EFRE_logo.jpg

EFRE_logo.jpg

279 ms

Zerifikatslogo_buf_dauerhaft.png

Zerifikatslogo_buf_dauerhaft.png

371 ms

logo-ti_farbe_kleiner_2.png

logo-ti_farbe_kleiner_2.png

372 ms

Logo_Charta_der_Vielfalt_Website_grauer_Hintergrund.png

Logo_Charta_der_Vielfalt_Website_grauer_Hintergrund.png

371 ms

Nunito-Regular.woff

Nunito-Regular.woff

613 ms

NunitoSans-Regular.woff

NunitoSans-Regular.woff

613 ms

NunitoSans-Bold.woff

NunitoSans-Bold.woff

613 ms

Nunito-Bold.woff

Nunito-Bold.woff

613 ms

Nunito-SemiBold.woff

Nunito-SemiBold.woff

613 ms

1px.png

1px.png

9 ms

de.json

de.json

147 ms

de

de

157 ms

Accessibility Review

dife.de accessibility score

96

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

Links do not have a discernible name

Best Practices

dife.de 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

Missing source maps for large first-party JavaScript

SEO Factors

dife.de SEO score

86

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

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dife.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Dife.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

dife.de

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