Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vixen-astronomie.de

vixen-astronomie.de

Page Load Speed

671 ms in total

First Response

137 ms

Resources Loaded

474 ms

Page Rendered

60 ms

vixen-astronomie.de screenshot

About Website

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Key Findings

We analyzed Vixen-astronomie.de page load time and found that the first response time was 137 ms and then it took 534 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vixen-astronomie.de performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

www4.vixen-astronomie.de

137 ms

bBTafVSvj.js

3 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Vixen-astronomie.de and no external sources were called. The less responsive or slowest element that took the longest time to load (137 ms) relates to the external source Www4.vixen-astronomie.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 613.1 kB (27%)

Content Size

2.3 MB

After Optimization

1.7 MB

In fact, the total size of Vixen-astronomie.de main page is 2.3 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. Only 5% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-28%

Potential reduce by 295 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 776 B

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 295 B or 28% of the original size.

Image Optimization

-6%

Potential reduce by 86.2 kB

  • Original 1.5 MB
  • After minification 1.4 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. Vixen Astronomie images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 377.5 kB

  • Original 593.5 kB
  • After minification 593.5 kB
  • After compression 216.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 377.5 kB or 64% of the original size.

CSS Optimization

-75%

Potential reduce by 149.1 kB

  • Original 198.3 kB
  • After minification 198.0 kB
  • After compression 49.2 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. Vixen-astronomie.de needs all CSS files to be minified and compressed as it can save up to 149.1 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vixen Astronomie. According to our analytics all requests are already optimized.

Accessibility Review

vixen-astronomie.de accessibility score

93

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

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

Best Practices

vixen-astronomie.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

vixen-astronomie.de SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vixen-astronomie.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 Vixen-astronomie.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 Vixen Astronomie. 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: