Tools & Wizards About Us
astrocom.de screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

astrocom.de

Teleskope und Ferngläser - Große Auswahl bei ASTROSHOP

Page Load Speed

4.4 sec in total

First Response

306 ms

Resources Loaded

3.1 sec

Page Rendered

1 sec

astrocom.de screenshot

About Website

Click here to check amazing Astrocom content for Germany. Otherwise, check out these important facts you probably never knew about astrocom.de

Teleskope und Ferngläser schnell und bequem online kaufen ★ Riesige Auswahl ✓ Gute Preise ✚ Besonderer Kundenservic ... ► Astroshop.de

Visit astrocom.de

Key Findings

We analyzed Astrocom.de page load time and found that the first response time was 306 ms and then it took 4.1 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

astrocom.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.716

7/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

astrocom.de

306 ms

astroshop.de

240 ms

www.astroshop.de

636 ms

font-awesome.min.css

160 ms

astroshop_3_col_de.css

181 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Astrocom.de, 89% (82 requests) were made to Nimax-img.de and 2% (2 requests) were made to Astroshop.de. The less responsive or slowest element that took the longest time to load (903 ms) relates to the external source T13.intelliad.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.5 kB (6%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astrocom.de main page is 1.3 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. 65% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 79.6 kB

  • Original 98.7 kB
  • After minification 98.6 kB
  • After compression 19.1 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 79.6 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 671 B

  • Original 1.0 MB
  • After minification 1.0 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. Astrocom images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 155 B

  • Original 149.8 kB
  • After minification 149.8 kB
  • After compression 149.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 13 B

  • Original 23.6 kB
  • After minification 23.6 kB
  • After compression 23.5 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. Astrocom.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (28%)

Requests Now

88

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astrocom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

astrocom.de

astrocom.de

306 ms

astroshop.de

astroshop.de

240 ms

www.astroshop.de

www.astroshop.de

636 ms

font-awesome.min.css

font-awesome.min.css

160 ms

astroshop_3_col_de.css

astroshop_3_col_de.css

181 ms

nmx-cog-icons.css

nmx-cog-icons.css

178 ms

jquery.min.js

jquery.min.js

198 ms

jquery-ui.min.js

jquery-ui.min.js

339 ms

lightgallery-all.min.js

lightgallery-all.min.js

311 ms

lightslider.min.js

lightslider.min.js

310 ms

shop.js

shop.js

312 ms

analytics.js

analytics.js

57 ms

hfpc.min.js

hfpc.min.js

903 ms

X94946A139CC05CC212F01D74CC60B6EB.gif

X94946A139CC05CC212F01D74CC60B6EB.gif

875 ms

layout_pageshade.png

layout_pageshade.png

336 ms

layout_pagegradient.png

layout_pagegradient.png

336 ms

layout_header_de.jpg

layout_header_de.jpg

365 ms

layout_logo_de.png

layout_logo_de.png

332 ms

trans.gif

trans.gif

332 ms

layout_icons_1.png

layout_icons_1.png

337 ms

ottonavi_background.jpg

ottonavi_background.jpg

365 ms

ottonavi_separator.jpg

ottonavi_separator.jpg

375 ms

layout_search_background.jpg

layout_search_background.jpg

378 ms

layout_icons_0.png

layout_icons_0.png

379 ms

vaonis-vespera_all_de.jpg

vaonis-vespera_all_de.jpg

513 ms

unistellar_equinox_1999_all_de.jpg

unistellar_equinox_1999_all_de.jpg

380 ms

Omegon-Basic_all.jpg

Omegon-Basic_all.jpg

382 ms

Leofoto-Omegon-Set_all_de.jpg

Leofoto-Omegon-Set_all_de.jpg

408 ms

minitrack_lx4_all_de.jpg

minitrack_lx4_all_de.jpg

566 ms

ServiceWerkstatt_all_de.jpg

ServiceWerkstatt_all_de.jpg

571 ms

Slider_DE_Kaufberatung_Aug_2020_all.jpg

Slider_DE_Kaufberatung_Aug_2020_all.jpg

542 ms

Astronom-d%C3%A4mmerung-teleskop_web_all.jpg

Astronom-d%C3%A4mmerung-teleskop_web_all.jpg

540 ms

20643_1.jpg

20643_1.jpg

407 ms

pricelabel_01.png

pricelabel_01.png

409 ms

13764_1.jpg

13764_1.jpg

409 ms

pricelabel_02.png

pricelabel_02.png

411 ms

23586_20.jpg

23586_20.jpg

412 ms

pricelabel_03.png

pricelabel_03.png

413 ms

4440_1.jpg

4440_1.jpg

443 ms

pricelabel_04.png

pricelabel_04.png

448 ms

53803_1.jpg

53803_1.jpg

449 ms

pricelabel_05.png

pricelabel_05.png

444 ms

57561_1.jpg

57561_1.jpg

498 ms

pricelabel_06.png

pricelabel_06.png

637 ms

62255_6.jpg

62255_6.jpg

707 ms

61045_16.jpg

61045_16.jpg

569 ms

32955_1.jpg

32955_1.jpg

587 ms

70622_3.jpg

70622_3.jpg

704 ms

74053_23.jpg

74053_23.jpg

549 ms

collect

collect

341 ms

62765_1.jpg

62765_1.jpg

324 ms

product-news_as_de.jpg

product-news_as_de.jpg

415 ms

offers_as_de.jpg

offers_as_de.jpg

415 ms

magazine_as_de.jpg

magazine_as_de.jpg

411 ms

Omegon.jpg

Omegon.jpg

412 ms

Celestron.jpg

Celestron.jpg

506 ms

Skywatcher.jpg

Skywatcher.jpg

503 ms

Meade.jpg

Meade.jpg

495 ms

William-Optics.jpg

William-Optics.jpg

493 ms

Taurus.jpg

Taurus.jpg

490 ms

Tele-Vue-Optics.jpg

Tele-Vue-Optics.jpg

487 ms

Baader-Planetarium.jpg

Baader-Planetarium.jpg

632 ms

Pegasus-Astro.jpg

Pegasus-Astro.jpg

571 ms

iOptron.jpg

iOptron.jpg

602 ms

ZWO.jpg

ZWO.jpg

601 ms

Farpoint.jpg

Farpoint.jpg

600 ms

NexDome.jpg

NexDome.jpg

599 ms

ScopeDome.jpg

ScopeDome.jpg

621 ms

Dome-Parts-GmbH.jpg

Dome-Parts-GmbH.jpg

700 ms

Pulsar.jpg

Pulsar.jpg

683 ms

10-Micron.jpg

10-Micron.jpg

664 ms

Software_Bisque.jpg

Software_Bisque.jpg

664 ms

filternavi_contentbackground.jpg

filternavi_contentbackground.jpg

577 ms

filternavi_box.jpg

filternavi_box.jpg

525 ms

fitlernavi_titlebackground.jpg

fitlernavi_titlebackground.jpg

528 ms

nmx-cog-icons.ttf

nmx-cog-icons.ttf

535 ms

filternavi_arrowbuttons.png

filternavi_arrowbuttons.png

515 ms

filternavi_contentgradient.jpg

filternavi_contentgradient.jpg

494 ms

filternavi_bottom.jpg

filternavi_bottom.jpg

515 ms

filternavi_listicons.png

filternavi_listicons.png

503 ms

trustedshops_k.png

trustedshops_k.png

495 ms

universe2go-sidebar.gif

universe2go-sidebar.gif

545 ms

gifts.png

gifts.png

473 ms

collect

collect

213 ms

zahlungsarten.jpg

zahlungsarten.jpg

477 ms

versand.jpg

versand.jpg

478 ms

instagram.jpg

instagram.jpg

403 ms

layout_rightcolumn_title.png

layout_rightcolumn_title.png

400 ms

layout_buttons_sac.png

layout_buttons_sac.png

404 ms

ga-audiences

ga-audiences

175 ms

crossdevice.php

crossdevice.php

414 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

142 ms

Accessibility Review

astrocom.de accessibility score

77

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

astrocom.de best practices score

83

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

SEO Factors

astrocom.de SEO score

85

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

astrocom.de

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