Tools & Wizards About Us
7steller.de screenshot

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

7steller.de screenshot

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

7steller.de

7steller.de

1628 ms

template.css

template.css

96 ms

rokbox.css

rokbox.css

267 ms

jcemediabox.css

jcemediabox.css

188 ms

style.css

style.css

195 ms

superfish.css

superfish.css

189 ms

grid-12.css

grid-12.css

190 ms

style1.css

style1.css

191 ms

skeleton12.css

skeleton12.css

291 ms

normalize.css

normalize.css

292 ms

default.css

default.css

381 ms

touch.gallery.css

touch.gallery.css

295 ms

isotope.css

isotope.css

287 ms

template.css

template.css

440 ms

responsive.css

responsive.css

472 ms

css

css

23 ms

dmt_social.css

dmt_social.css

385 ms

cc_styles.css

cc_styles.css

386 ms

light-bottom.css

light-bottom.css

14 ms

jquery.min.js

jquery.min.js

15 ms

jquerynoconflict.js

jquerynoconflict.js

387 ms

jquery-ui.min.js

jquery-ui.min.js

16 ms

mootools-core.js

mootools-core.js

740 ms

core.js

core.js

498 ms

mootools-more.js

mootools-more.js

1017 ms

k2.js

k2.js

498 ms

behaviour.js

behaviour.js

527 ms

silverlight.js

silverlight.js

560 ms

wmvplayer.js

wmvplayer.js

656 ms

AC_QuickTime.js

AC_QuickTime.js

571 ms

jwplayer.js

jwplayer.js

702 ms

rokbox.js

rokbox.js

763 ms

jcemediabox.js

jcemediabox.js

845 ms

superfish.js

superfish.js

764 ms

jquery.mobilemenu.js

jquery.mobilemenu.js

792 ms

jquery.hoverIntent.js

jquery.hoverIntent.js

831 ms

sftouchscreen.js

sftouchscreen.js

836 ms

gantry-totop.js

gantry-totop.js

841 ms

browser-engines.js

browser-engines.js

882 ms

tooltips.js

tooltips.js

923 ms

srizontb.css

srizontb.css

923 ms

mag-popup.css

mag-popup.css

855 ms

elastislide.css

elastislide.css

764 ms

touch.gallery.js

touch.gallery.js

798 ms

jquery.isotope.min.js

jquery.isotope.min.js

898 ms

jquery.preloader.js

jquery.preloader.js

906 ms

scripts.js

scripts.js

904 ms

cookie-consent.min.js

cookie-consent.min.js

832 ms

modernizr.js

modernizr.js

814 ms

srizonjq1.8.min.js

srizonjq1.8.min.js

917 ms

srizonjq.easing.1.3.min.js

srizonjq.easing.1.3.min.js

830 ms

srizontb2.js

srizontb2.js

833 ms

mag-popup.js

mag-popup.js

844 ms

elastislide.js

elastislide.js

749 ms

jusertubeslider.js

jusertubeslider.js

778 ms

ga.js

ga.js

31 ms

header-998-start.jpg

header-998-start.jpg

128 ms

mask2.png

mask2.png

125 ms

home.png

home.png

129 ms

facebook_32.png

facebook_32.png

128 ms

youtube_32.png

youtube_32.png

129 ms

gplus_32.png

gplus_32.png

129 ms

xing_32.png

xing_32.png

191 ms

edudip_32.png

edudip_32.png

201 ms

powerfrau.jpg

powerfrau.jpg

426 ms

broschuere_2014.jpg

broschuere_2014.jpg

204 ms

5cf9cad94714c5577919c266171d935c_M.jpg

5cf9cad94714c5577919c266171d935c_M.jpg

424 ms

39a27618f1dc54b80987c6706135e6b7_M.jpg

39a27618f1dc54b80987c6706135e6b7_M.jpg

316 ms

1c6c813bb9d5494160041c1c4ee2fb70_M.jpg

1c6c813bb9d5494160041c1c4ee2fb70_M.jpg

423 ms

1d36d23b156ead252433d4ce2c21c387_S.jpg

1d36d23b156ead252433d4ce2c21c387_S.jpg

423 ms

69bc9c3e85c501b0a6208cc7a55abbf9_S.jpg

69bc9c3e85c501b0a6208cc7a55abbf9_S.jpg

576 ms

b8292acafd72142128a3481ac4b0abff_S.jpg

b8292acafd72142128a3481ac4b0abff_S.jpg

427 ms

lock_closed.png

lock_closed.png

468 ms

index

index

325 ms

search_button.gif

search_button.gif

450 ms

marker1.gif

marker1.gif

457 ms

bg_button.gif

bg_button.gif

460 ms

jwpsrv.js

jwpsrv.js

117 ms

popup.html

popup.html

374 ms

tooltip.html

tooltip.html

449 ms

j4IAAIP46BE

j4IAAIP46BE

100 ms

marker2.png

marker2.png

444 ms

to_top.gif

to_top.gif

451 ms

loading.gif

loading.gif

453 ms

preloading.gif

preloading.gif

454 ms

zoom-link.gif

zoom-link.gif

531 ms

zoom-img.png

zoom-img.png

539 ms

loadingAnimation.gif

loadingAnimation.gif

544 ms

__utm.gif

__utm.gif

20 ms

C8vzv480UKDveCPk8l9XHQ.woff

C8vzv480UKDveCPk8l9XHQ.woff

17 ms

logo.png

logo.png

33 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

23 ms

www-embed-player.js

www-embed-player.js

48 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

62 ms

ad_status.js

ad_status.js

123 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

107 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

111 ms

edu2k12_main-20160225a.css

edu2k12_main-20160225a.css

247 ms

jquery.fancybox-1.3.1-20160225a.css

jquery.fancybox-1.3.1-20160225a.css

252 ms

jquery-ui-1.9.2.custom.min-20160225a.css

jquery-ui-1.9.2.custom.min-20160225a.css

264 ms

embed-20160225a.css

embed-20160225a.css

263 ms

jquery-20160225a.js

jquery-20160225a.js

356 ms

jquery-ui-1.9.2.custom.min-20160225a.js

jquery-ui-1.9.2.custom.min-20160225a.js

466 ms

datepicker-en-20160225a.js

datepicker-en-20160225a.js

345 ms

jquery.fancybox-1.3.1-20160225a.js

jquery.fancybox-1.3.1-20160225a.js

345 ms

jquery.editable-20160225a.js

jquery.editable-20160225a.js

346 ms

jquery.accordion-20160225a.js

jquery.accordion-20160225a.js

345 ms

core-20160225a.js

core-20160225a.js

445 ms

slide-20160225a.js

slide-20160225a.js

443 ms

edudip.core-20160225a.js

edudip.core-20160225a.js

444 ms

jquery.ba-hashchange-20160225a.js

jquery.ba-hashchange-20160225a.js

447 ms

pmrpc-20160225a.js

pmrpc-20160225a.js

456 ms

slides.jquery-20160225a.js

slides.jquery-20160225a.js

543 ms

fbds.js

fbds.js

18 ms

dc.js

dc.js

30 ms

main_box_bg-20140410.png

main_box_bg-20140410.png

102 ms

__utm.gif

__utm.gif

12 ms

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

7steller.de

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: