Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

7dev.de

Anfang: UIUX Professional Ingo Förster - Digital products, Apps, Websites - Berlin

Page Load Speed

16.4 sec in total

First Response

329 ms

Resources Loaded

15.8 sec

Page Rendered

344 ms

7dev.de screenshot

About Website

Click here to check amazing 7 Dev content for Germany. Otherwise, check out these important facts you probably never knew about 7dev.de

UX/UI Professional aus Berlin - Apps, Portale, eCommerce, Design-Beratung, Design-Templates für Typo3, Magento, Wordpress

Visit 7dev.de

Key Findings

We analyzed 7dev.de page load time and found that the first response time was 329 ms and then it took 16.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

7dev.de performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

329 ms

merged-51207c506c30da61635010a296a11709-efe60720295ea210c8c017f9a1303a63.css

486 ms

jquery-1.9.1.min.js

15 ms

jquery-ui.min.js

34 ms

bootstrap.min.js

265 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 42% of them (13 requests) were addressed to the original 7dev.de, 13% (4 requests) were made to Fonts.gstatic.com and 10% (3 requests) were made to Design4usability.de. The less responsive or slowest element that took the longest time to load (8.6 sec) relates to the external source Piwik.7dev.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 323.7 kB (28%)

Content Size

1.2 MB

After Optimization

829.9 kB

In fact, the total size of 7dev.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. 60% of websites need less resources to load. Images take 901.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.1 kB

  • Original 27.6 kB
  • After minification 25.6 kB
  • After compression 6.5 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 21.1 kB or 77% of the original size.

Image Optimization

-33%

Potential reduce by 300.9 kB

  • Original 901.4 kB
  • After minification 600.5 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. Obviously, 7 Dev needs image optimization as it can save up to 300.9 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 191 B

  • Original 173.2 kB
  • After minification 173.2 kB
  • After compression 173.0 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.

CSS Optimization

-3%

Potential reduce by 1.5 kB

  • Original 51.4 kB
  • After minification 51.4 kB
  • After compression 49.9 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. 7dev.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (82%)

Requests Now

22

After Optimization

4

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7 Dev. 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.

Accessibility Review

7dev.de accessibility score

83

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

7dev.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

7dev.de SEO score

79

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

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

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 7dev.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 7dev.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 7 Dev. 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: