Tools & Wizards About Us

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

7steller.de

7Steller Online Academy

Page Load Speed

5.9 sec in total

First Response

1.6 sec

Resources Loaded

3.8 sec

Page Rendered

430 ms

About Website

Welcome to 7steller.de homepage info - get ready to check 7Steller best content right away, or after learning these important things about 7steller.de

A description of the main website page.

Visit 7steller.de

Key Findings

We analyzed 7steller.de page load time and found that the first response time was 1.6 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

7steller.de performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,470 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value38.4 s

0/100

10%

Network Requests Diagram

7steller.de

1628 ms

template.css

96 ms

rokbox.css

267 ms

jcemediabox.css

188 ms

style.css

195 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 68% of them (80 requests) were addressed to the original 7steller.de, 15% (17 requests) were made to Static.edudip.com and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain 7steller.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (53%)

Content Size

2.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 7steller.de main page is 2.5 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 42.0 kB

  • Original 53.5 kB
  • After minification 43.4 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 10.1 kB, which is 19% 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 42.0 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 69.6 kB

  • Original 703.3 kB
  • After minification 633.7 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. 7Steller images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 789.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 434.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 789.3 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 406.0 kB

  • Original 496.7 kB
  • After minification 456.7 kB
  • After compression 90.7 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. 7steller.de needs all CSS files to be minified and compressed as it can save up to 406.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 81 (72%)

Requests Now

113

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7Steller. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

7steller.de accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

7steller.de best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

7steller.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

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 7steller.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 7steller.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 7Steller. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: