Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

baader-planetarium.com

Baader Planetarium GmbH – Alles für Astronomie

Page Load Speed

1 sec in total

First Response

209 ms

Resources Loaded

632 ms

Page Rendered

193 ms

baader-planetarium.com screenshot

About Website

Welcome to baader-planetarium.com homepage info - get ready to check Baader Planetarium best content for Australia right away, or after learning these important things about baader-planetarium.com

Von Adaptern und optischem Zubehör bis zum Teleskop und zur kompletten Sternwartenkuppel – bei uns gibt es für jeden Astro-Anwender alles aus einer Hand.

Visit baader-planetarium.com

Key Findings

We analyzed Baader-planetarium.com page load time and found that the first response time was 209 ms and then it took 825 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

baader-planetarium.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value500 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

baader-planetarium.com

209 ms

hg-1024.jpg

170 ms

header_angebot.gif

171 ms

section_thumbnail.jpg

423 ms

gb-flagge_logo.gif

171 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Baader-planetarium.com and no external sources were called. The less responsive or slowest element that took the longest time to load (423 ms) belongs to the original domain Baader-planetarium.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.5 kB (4%)

Content Size

110.6 kB

After Optimization

106.1 kB

In fact, the total size of Baader-planetarium.com main page is 110.6 kB. 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 10% of websites need less resources to load. Images take 105.2 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.7 kB

  • Original 5.5 kB
  • After minification 5.1 kB
  • After compression 1.8 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. 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 3.7 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 875 B

  • Original 105.2 kB
  • After minification 104.3 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. Baader Planetarium images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Baader Planetarium. According to our analytics all requests are already optimized.

Accessibility Review

baader-planetarium.com accessibility score

73

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

baader-planetarium.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

baader-planetarium.com SEO score

74

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

High

Page is blocked from indexing

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Baader-planetarium.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Baader-planetarium.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Baader Planetarium. 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: