Tools & Wizards About Us
teleskop-spezialisten.de screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

teleskop-spezialisten.de

Teleskop kaufen Spezialisten München Astronomie Shop Fernrohre

Page Load Speed

4 sec in total

First Response

274 ms

Resources Loaded

3.4 sec

Page Rendered

290 ms

teleskop-spezialisten.de screenshot

About Website

Visit teleskop-spezialisten.de now to see the best up-to-date Teleskop Spezialisten content for Germany and also check out these interesting facts you probably never knew about teleskop-spezialisten.de

Die Teleskop Spezialisten über 40 Jahre Erfahrung Hobby Astronomie Teleskop kaufen, ausführliche Kaufberatung, Service, Teleskope reparieren, Fernrohre ...

Visit teleskop-spezialisten.de

Key Findings

We analyzed Teleskop-spezialisten.de page load time and found that the first response time was 274 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

teleskop-spezialisten.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.035

2/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

teleskop-spezialisten.de

274 ms

www.teleskop-spezialisten.de

573 ms

index.php

556 ms

stylesheet.min.css

179 ms

jquery-1.8.3.min.js

401 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 68% of them (45 requests) were addressed to the original Teleskop-spezialisten.de, 9% (6 requests) were made to Youtube.com and 8% (5 requests) were made to Youtube-nocookie.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Teleskop-spezialisten.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 650.9 kB (43%)

Content Size

1.5 MB

After Optimization

847.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teleskop-spezialisten.de main page is 1.5 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. Only a small number of websites need less resources to load. Javascripts take 600.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 80.5 kB

  • Original 95.6 kB
  • After minification 94.8 kB
  • After compression 15.1 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 80.5 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 9.0 kB

  • Original 330.9 kB
  • After minification 321.9 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 Spezialisten images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 232.2 kB

  • Original 600.4 kB
  • After minification 600.4 kB
  • After compression 368.1 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 232.2 kB or 39% of the original size.

CSS Optimization

-70%

Potential reduce by 329.2 kB

  • Original 472.0 kB
  • After minification 471.3 kB
  • After compression 142.8 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-spezialisten.de needs all CSS files to be minified and compressed as it can save up to 329.2 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (24%)

Requests Now

55

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teleskop Spezialisten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

teleskop-spezialisten.de

teleskop-spezialisten.de

274 ms

www.teleskop-spezialisten.de

www.teleskop-spezialisten.de

573 ms

index.php

index.php

556 ms

stylesheet.min.css

stylesheet.min.css

179 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

401 ms

tpl_plugins.min.css

tpl_plugins.min.css

359 ms

tpl_plugins.min.js

tpl_plugins.min.js

506 ms

wV2h6YU-hcs

wV2h6YU-hcs

159 ms

DPH3D0TK8a0

DPH3D0TK8a0

633 ms

r7V4t8TLAPA

r7V4t8TLAPA

161 ms

icon.gif

icon.gif

143 ms

icon.gif

icon.gif

151 ms

logo_head.png

logo_head.png

128 ms

Ausstellung-Indexseite.jpg

Ausstellung-Indexseite.jpg

627 ms

Justage-Newton.jpg

Justage-Newton.jpg

626 ms

Justage.jpg

Justage.jpg

626 ms

Phone_bearb_hellbraun_smal.jpg

Phone_bearb_hellbraun_smal.jpg

626 ms

Karl_Just_smal.jpg

Karl_Just_smal.jpg

627 ms

Service4_bearb_smal.jpg

Service4_bearb_smal.jpg

730 ms

Kartons_smal.jpg

Kartons_smal.jpg

730 ms

Teleskope_Kataloge_smal.jpg

Teleskope_Kataloge_smal.jpg

733 ms

dobson_smal.jpg

dobson_smal.jpg

731 ms

Werkstatt_bearb_smal.jpg

Werkstatt_bearb_smal.jpg

964 ms

Test_klein.jpg

Test_klein.jpg

730 ms

ratenkauf(1).png

ratenkauf(1).png

976 ms

ladenansicht_mittel.jpg

ladenansicht_mittel.jpg

975 ms

356_0.jpg

356_0.jpg

961 ms

197_0.jpg

197_0.jpg

975 ms

2668_0.jpg

2668_0.jpg

975 ms

1505_0.jpg

1505_0.jpg

1072 ms

4863_0.jpg

4863_0.jpg

1072 ms

2818_0.JPG

2818_0.JPG

1073 ms

2103_0.jpg

2103_0.jpg

1071 ms

2095_0.jpg

2095_0.jpg

1073 ms

1124_0.jpg

1124_0.jpg

1235 ms

2387_0.gif

2387_0.gif

1234 ms

4590_0.jpg

4590_0.jpg

1235 ms

bg_layout_footer.jpg

bg_layout_footer.jpg

1235 ms

img_footer_payment.jpg

img_footer_payment.jpg

1347 ms

ga.js

ga.js

1283 ms

overlay.png

overlay.png

1165 ms

arimo.woff

arimo.woff

1336 ms

arimo_bold.woff

arimo_bold.woff

1302 ms

fjallaone.woff

fjallaone.woff

1309 ms

loading.gif

loading.gif

1223 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1452 ms

www-player.css

www-player.css

32 ms

www-embed-player.js

www-embed-player.js

47 ms

base.js

base.js

81 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

69 ms

base.js

base.js

217 ms

ad_status.js

ad_status.js

367 ms

gbh3CSa8NqpvnPvDWy96-3RMYviWHsJy_QFd7gAq7Jk.js

gbh3CSa8NqpvnPvDWy96-3RMYviWHsJy_QFd7gAq7Jk.js

282 ms

embed.js

embed.js

131 ms

embed.js

embed.js

107 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

274 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

279 ms

kartons_smal.jpg

kartons_smal.jpg

683 ms

id

id

34 ms

Create

Create

228 ms

Create

Create

337 ms

Ladenansicht_mittel.jpg

Ladenansicht_mittel.jpg

608 ms

GenerateIT

GenerateIT

34 ms

GenerateIT

GenerateIT

37 ms

__utm.gif

__utm.gif

59 ms

Accessibility Review

teleskop-spezialisten.de accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

teleskop-spezialisten.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

teleskop-spezialisten.de SEO score

92

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

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

    DE

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teleskop-spezialisten.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-spezialisten.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

teleskop-spezialisten.de

Open Graph description is not detected on the main page of Teleskop Spezialisten. 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: