Report Summary

  • 24

    Performance

    Renders faster than
    44% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

dfv.de

dfv Mediengruppe

Page Load Speed

4.9 sec in total

First Response

778 ms

Resources Loaded

3.9 sec

Page Rendered

282 ms

dfv.de screenshot

About Website

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

Die dfv Mediengruppe (rechtlichte Firmierung: Deutscher Fachverlag GmbH) gehört zu den größten unabhängigen Fachmedienunternehmen in Europa. Fachkommunikation ist unser Metier: Der dfv publiziert über...

Visit dfv.de

Key Findings

We analyzed Dfv.de page load time and found that the first response time was 778 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dfv.de performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.255

48/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

www.dfv.de

778 ms

6bb47256cddc9fa184412ab306cc0fd0.css

540 ms

d15b56376a887e25cbddae5adf82c51d.js

271 ms

140c9b9fcedb76c63a107c9ce04d4565.js

357 ms

dfv_logo.png

90 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 99% of them (132 requests) were addressed to the original Dfv.de, 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (778 ms) belongs to the original domain Dfv.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 591.4 kB (28%)

Content Size

2.1 MB

After Optimization

1.5 MB

In fact, the total size of Dfv.de main page is 2.1 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.8 kB

  • Original 53.6 kB
  • After minification 50.8 kB
  • After compression 10.8 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 42.8 kB or 80% of the original size.

Image Optimization

-17%

Potential reduce by 288.1 kB

  • Original 1.7 MB
  • After minification 1.4 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. Obviously, Dfv needs image optimization as it can save up to 288.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 126.1 kB

  • Original 192.6 kB
  • After minification 192.2 kB
  • After compression 66.5 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 126.1 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 134.3 kB

  • Original 160.7 kB
  • After minification 152.4 kB
  • After compression 26.4 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. Dfv.de needs all CSS files to be minified and compressed as it can save up to 134.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (5%)

Requests Now

131

After Optimization

124

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dfv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

dfv.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.

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

Best Practices

dfv.de best practices score

75

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

SEO Factors

dfv.de SEO score

98

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

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dfv.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Dfv.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

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