Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

app-entwickler.de

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Page Load Speed

1.3 sec in total

First Response

367 ms

Resources Loaded

779 ms

Page Rendered

133 ms

app-entwickler.de screenshot

About Website

Visit app-entwickler.de now to see the best up-to-date App Entwickler content and also check out these interesting facts you probably never knew about app-entwickler.de

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Key Findings

We analyzed App-entwickler.de page load time and found that the first response time was 367 ms and then it took 912 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

app-entwickler.de performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

app-entwickler.de

367 ms

errorbg.png

412 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to App-entwickler.de and no external sources were called. The less responsive or slowest element that took the longest time to load (412 ms) belongs to the original domain App-entwickler.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 kB (5%)

Content Size

87.9 kB

After Optimization

83.9 kB

In fact, the total size of App-entwickler.de main page is 87.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 86.7 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 742 B

  • Original 1.2 kB
  • After minification 882 B
  • After compression 468 B

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. This page needs HTML code to be minified as it can gain 328 B, which is 27% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 742 B or 61% of the original size.

Image Optimization

-4%

Potential reduce by 3.3 kB

  • Original 86.7 kB
  • After minification 83.5 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. App Entwickler images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of App Entwickler. According to our analytics all requests are already optimized.

Accessibility Review

app-entwickler.de accessibility score

75

Accessibility Issues

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

Best Practices

app-entwickler.de best practices score

67

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

app-entwickler.de SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

High

robots.txt is not valid

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

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 App-entwickler.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 App-entwickler.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 description is not detected on the main page of App Entwickler. 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: