Tools & Wizards About Us
alldup.de screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% 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

  • 91

    SEO

    Google-friendlier than
    70% of websites

alldup.de

AllDup - Freeware zum Suchen und Löschen von Dateiduplikaten

Page Load Speed

2.2 sec in total

First Response

264 ms

Resources Loaded

1.8 sec

Page Rendered

143 ms

alldup.de screenshot

About Website

Click here to check amazing All Dup content for United States. Otherwise, check out these important facts you probably never knew about alldup.de

Kostenlose Software zum Finden und Löschen von doppelten Dateien auf Ihrem PC

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Key Findings

We analyzed Alldup.de page load time and found that the first response time was 264 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

alldup.de performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.392

26/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

alldup.de

264 ms

alldup.de

431 ms

init3.css

102 ms

layout2.css

204 ms

top.css

305 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Alldup.de and no external sources were called. The less responsive or slowest element that took the longest time to load (561 ms) belongs to the original domain Alldup.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.5 kB (42%)

Content Size

96.2 kB

After Optimization

55.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alldup.de main page is 96.2 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. Only 10% of websites need less resources to load. Images take 47.0 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 7.5 kB

  • Original 10.6 kB
  • After minification 10.1 kB
  • After compression 3.1 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 7.5 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 2.0 kB

  • Original 47.0 kB
  • After minification 45.1 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. All Dup images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 2.2 kB

  • Original 2.9 kB
  • After minification 2.1 kB
  • After compression 650 B

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 2.2 kB or 77% of the original size.

CSS Optimization

-81%

Potential reduce by 28.8 kB

  • Original 35.7 kB
  • After minification 21.7 kB
  • After compression 6.9 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. Alldup.de needs all CSS files to be minified and compressed as it can save up to 28.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (54%)

Requests Now

24

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All Dup. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alldup.de

alldup.de

264 ms

alldup.de

alldup.de

431 ms

init3.css

init3.css

102 ms

layout2.css

layout2.css

204 ms

top.css

top.css

305 ms

sidemenu2.css

sidemenu2.css

304 ms

content2.css

content2.css

316 ms

footer2.css

footer2.css

315 ms

web.css

web.css

317 ms

media2.css

media2.css

317 ms

header.js

header.js

404 ms

sidemenu.js

sidemenu.js

404 ms

menubar.js

menubar.js

419 ms

company-logo.png

company-logo.png

102 ms

download_area2.png

download_area2.png

107 ms

customer_account.png

customer_account.png

108 ms

globe_w.png

globe_w.png

108 ms

home.png

home.png

102 ms

toggle-minus.png

toggle-minus.png

106 ms

domain_alldup.jpg

domain_alldup.jpg

203 ms

boxshot_alldup.jpg

boxshot_alldup.jpg

204 ms

place77.png

place77.png

212 ms

windows7download.png

windows7download.png

212 ms

giga.png

giga.png

214 ms

globe.png

globe.png

213 ms

montserrat-regular.ttf

montserrat-regular.ttf

561 ms

print2.css

print2.css

102 ms

Accessibility Review

alldup.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

Links do not have a discernible name

Best Practices

alldup.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

alldup.de SEO score

91

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

alldup.de

Open Graph description is not detected on the main page of All Dup. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: