Tools & Wizards About Us
tesat.de screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    28% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

tesat.de

TESAT

Page Load Speed

7.1 sec in total

First Response

363 ms

Resources Loaded

4.5 sec

Page Rendered

2.3 sec

tesat.de screenshot

About Website

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

TESAT is market leader in the field of telecommunication payloads for satellites and technology leader in the field of laser communications.

Visit tesat.de

Key Findings

We analyzed Tesat.de page load time and found that the first response time was 363 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

tesat.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value5,040 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

tesat.de

363 ms

tesat.de

488 ms

www.tesat.de

969 ms

jdb-7c6b385abae3ec533d8a3a1bd721fb68.min.css

626 ms

jcemediabox.css

353 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 71% of them (41 requests) were addressed to the original Tesat.de, 10% (6 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Tesat.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (31%)

Content Size

3.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tesat.de main page is 3.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 108.5 kB

  • Original 122.8 kB
  • After minification 107.0 kB
  • After compression 14.2 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 15.8 kB, which is 13% 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 108.5 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 27.2 kB

  • Original 2.3 MB
  • After minification 2.2 MB

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. TESAT images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 281.2 kB

  • Original 452.5 kB
  • After minification 440.6 kB
  • After compression 171.3 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 281.2 kB or 62% of the original size.

CSS Optimization

-87%

Potential reduce by 726.5 kB

  • Original 830.3 kB
  • After minification 759.2 kB
  • After compression 103.9 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. Tesat.de needs all CSS files to be minified and compressed as it can save up to 726.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (78%)

Requests Now

46

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TESAT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tesat.de

tesat.de

363 ms

tesat.de

tesat.de

488 ms

www.tesat.de

www.tesat.de

969 ms

jdb-7c6b385abae3ec533d8a3a1bd721fb68.min.css

jdb-7c6b385abae3ec533d8a3a1bd721fb68.min.css

626 ms

jcemediabox.css

jcemediabox.css

353 ms

style.css

style.css

352 ms

content.css

content.css

389 ms

all.css

all.css

190 ms

jquery.min.js

jquery.min.js

616 ms

jquery-noconflict.js

jquery-noconflict.js

390 ms

jquery-migrate.min.js

jquery-migrate.min.js

440 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

731 ms

jdb.noconflict.js

jdb.noconflict.js

503 ms

particles.min.js

particles.min.js

729 ms

jcemediabox.js

jcemediabox.js

729 ms

jdb.noconflict.end.js

jdb.noconflict.end.js

613 ms

jdb.min.js

jdb.min.js

756 ms

core.js

core.js

755 ms

css

css

171 ms

compiled-a2e6254737ba991a5b03cac0ab4288d2.css

compiled-a2e6254737ba991a5b03cac0ab4288d2.css

775 ms

js

js

222 ms

0790522d6edc5519e8f698dc.js

0790522d6edc5519e8f698dc.js

589 ms

lightcase.css

lightcase.css

740 ms

custom.css

custom.css

740 ms

jquery.min.js

jquery.min.js

182 ms

custom.js

custom.js

915 ms

lightcase.js

lightcase.js

949 ms

jdb.min.js

jdb.min.js

947 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

865 ms

popper.min.js

popper.min.js

810 ms

bootstrap.min.js

bootstrap.min.js

811 ms

jquery.noConflict.js

jquery.noConflict.js

839 ms

jquery.easing.min.js

jquery.easing.min.js

937 ms

offcanvas.js

offcanvas.js

840 ms

mobilemenu.js

mobilemenu.js

1160 ms

megamenu.js

megamenu.js

1166 ms

jquery.hoverIntent.min.js

jquery.hoverIntent.min.js

1159 ms

smooth-scroll.polyfills.min.js

smooth-scroll.polyfills.min.js

1165 ms

script.js

script.js

1160 ms

analytics.js

analytics.js

87 ms

3a01a2baff06d04edea23f47e.js

3a01a2baff06d04edea23f47e.js

325 ms

keyvisual.jpg

keyvisual.jpg

697 ms

201021_OSIRISREx_c_NASA.jpg

201021_OSIRISREx_c_NASA.jpg

1531 ms

201007_cybersecurity.jpg

201007_cybersecurity.jpg

1531 ms

200910_tesat-campus-dlr.jpg

200910_tesat-campus-dlr.jpg

698 ms

20201101_Sirius_XM7.jpg

20201101_Sirius_XM7.jpg

677 ms

collect

collect

81 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

459 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

477 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_wlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i94_wlxdr.ttf

1308 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

1309 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

1321 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3iu4nwlxdr.ttf

1322 ms

fa-regular-400.woff

fa-regular-400.woff

292 ms

fa-solid-900.woff

fa-solid-900.woff

293 ms

popup.html

popup.html

1232 ms

tooltip.html

tooltip.html

1231 ms

fa-brands-400.woff

fa-brands-400.woff

696 ms

Accessibility Review

tesat.de accessibility score

95

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

tesat.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tesat.de SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tesat.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tesat.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

tesat.de

Open Graph data is detected on the main page of TESAT. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: