Report Summary

  • 70

    Performance

    Renders faster than
    81% 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

  • 62

    SEO

    Google-friendlier than
    22% of websites

teleskop-express.de

Teleskop-Express

Page Load Speed

3.5 sec in total

First Response

209 ms

Resources Loaded

3 sec

Page Rendered

288 ms

teleskop-express.de screenshot

About Website

Click here to check amazing Teleskop Express content for Germany. Otherwise, check out these important facts you probably never knew about teleskop-express.de

Europas Fachhändler für Astronomie, Fotografie und Naturbeobachtung - Direktimporte - Beratung - Speziallösungen - Online Versand

Visit teleskop-express.de

Key Findings

We analyzed Teleskop-express.de page load time and found that the first response time was 209 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

teleskop-express.de performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

209 ms

te.css

295 ms

te.js

302 ms

bg0c.png

100 ms

bg_header.png

101 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 73% of them (36 requests) were addressed to the original Teleskop-express.de, 22% (11 requests) were made to Vf-js.ekomi.de and 4% (2 requests) were made to Connect.ekomi.de. The less responsive or slowest element that took the longest time to load (775 ms) belongs to the original domain Teleskop-express.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.7 kB (26%)

Content Size

310.6 kB

After Optimization

229.9 kB

In fact, the total size of Teleskop-express.de main page is 310.6 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. 20% of websites need less resources to load. Images take 234.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 33.1 kB

  • Original 44.0 kB
  • After minification 43.7 kB
  • After compression 10.9 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 33.1 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 22.5 kB

  • Original 234.2 kB
  • After minification 211.7 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. Teleskop Express images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 6.6 kB

  • Original 9.1 kB
  • After minification 8.1 kB
  • After compression 2.5 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 6.6 kB or 73% of the original size.

CSS Optimization

-79%

Potential reduce by 18.5 kB

  • Original 23.3 kB
  • After minification 22.6 kB
  • After compression 4.8 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. Teleskop-express.de needs all CSS files to be minified and compressed as it can save up to 18.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (21%)

Requests Now

48

After Optimization

38

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teleskop Express. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

teleskop-express.de 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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

teleskop-express.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

teleskop-express.de SEO score

62

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

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teleskop-express.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 Teleskop-express.de main page’s claimed encoding is iso-8859-15. 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 Teleskop Express. 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: