Tools & Wizards About Us
space-travellers.de screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

space-travellers.de

Lift-Off | Space Affairs

Page Load Speed

4 sec in total

First Response

334 ms

Resources Loaded

3 sec

Page Rendered

727 ms

space-travellers.de screenshot

About Website

Click here to check amazing Space Travellers content. Otherwise, check out these important facts you probably never knew about space-travellers.de

SPACE AFFAIRS offers and develops real space training and experiences, space related expeditions, parabolic flights and weightless film productions. We were established in the year 2000 to take space ...

Visit space-travellers.de

Key Findings

We analyzed Space-travellers.de page load time and found that the first response time was 334 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

space-travellers.de performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

www.space-affairs.com

334 ms

en

208 ms

js

74 ms

59e566bt6t

102 ms

xfbml.customerchat.js

31 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Space-travellers.de, 5% (3 requests) were made to Google.com and 5% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Space-affairs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 886.7 kB (36%)

Content Size

2.5 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Space-travellers.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. 65% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 115.2 kB

  • Original 128.8 kB
  • After minification 73.3 kB
  • After compression 13.6 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 55.5 kB, which is 43% 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 115.2 kB or 89% of the original size.

Image Optimization

-24%

Potential reduce by 363.2 kB

  • Original 1.5 MB
  • After minification 1.2 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. Obviously, Space Travellers needs image optimization as it can save up to 363.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 255.4 kB

  • Original 590.4 kB
  • After minification 588.6 kB
  • After compression 335.1 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 255.4 kB or 43% of the original size.

CSS Optimization

-81%

Potential reduce by 152.9 kB

  • Original 189.3 kB
  • After minification 189.2 kB
  • After compression 36.4 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. Space-travellers.de needs all CSS files to be minified and compressed as it can save up to 152.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (31%)

Requests Now

51

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Space Travellers. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.space-affairs.com

www.space-affairs.com

334 ms

en

en

208 ms

js

js

74 ms

59e566bt6t

59e566bt6t

102 ms

xfbml.customerchat.js

xfbml.customerchat.js

31 ms

main.css

main.css

399 ms

starship.css

starship.css

496 ms

notices.css

notices.css

302 ms

form-styles.css

form-styles.css

313 ms

modernizr.js

modernizr.js

316 ms

brand.png

brand.png

417 ms

en.png

en.png

532 ms

de.png

de.png

545 ms

api.js

api.js

54 ms

base.js

base.js

931 ms

cookiechoices.js

cookiechoices.js

531 ms

starship.js

starship.js

687 ms

soyuz_ms_21_patch.png

soyuz_ms_21_patch.png

785 ms

soyuz_patch_ms19_landing.png

soyuz_patch_ms19_landing.png

1073 ms

zerog_patch_2022_1.png

zerog_patch_2022_1.png

894 ms

tenacity.png

tenacity.png

925 ms

dawn2.png

dawn2.png

800 ms

asteroid_10.png

asteroid_10.png

1037 ms

asteroid_11.png

asteroid_11.png

902 ms

asteroid_12.png

asteroid_12.png

1035 ms

calisto.png

calisto.png

1036 ms

io.png

io.png

1036 ms

rosetta.png

rosetta.png

1053 ms

iapetus.png

iapetus.png

1149 ms

tethys.png

tethys.png

1148 ms

enceladus.png

enceladus.png

1149 ms

clarity.js

clarity.js

15 ms

analytics.js

analytics.js

44 ms

earth.jpg

earth.jpg

724 ms

stars.jpg

stars.jpg

625 ms

moon_2.jpg

moon_2.jpg

658 ms

stars_2.jpg

stars_2.jpg

706 ms

mars.jpg

mars.jpg

706 ms

ceres.jpg

ceres.jpg

911 ms

jupiter.jpg

jupiter.jpg

739 ms

saturn.jpg

saturn.jpg

756 ms

end.jpg

end.jpg

827 ms

collect

collect

14 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

848 ms

Inconsolata-Regular.ttf

Inconsolata-Regular.ttf

765 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

806 ms

recaptcha__en.js

recaptcha__en.js

28 ms

collect

collect

159 ms

js

js

81 ms

ga-audiences

ga-audiences

16 ms

160 ms

fallback

fallback

56 ms

fallback__ltr.css

fallback__ltr.css

16 ms

css

css

50 ms

logo_48.png

logo_48.png

28 ms

font

font

32 ms

c.gif

c.gif

17 ms

Accessibility Review

space-travellers.de accessibility score

77

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

High

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

Best Practices

space-travellers.de best practices score

75

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

SEO Factors

space-travellers.de SEO score

54

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

High

Image elements do not have [alt] attributes

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 Space-travellers.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 Space-travellers.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

space-travellers.de

Open Graph description is not detected on the main page of Space Travellers. 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: