124.6 sec in total
908 ms
67.8 sec
55.9 sec
Welcome to congstar.de homepage info - get ready to check Congstar best content for Germany right away, or after learning these important things about congstar.de
Mobilfunkanbieter des Jahres und zwar nicht ohne Grund ✔ Günstig ✔ Fair ✔ Verträge mit und ohne Laufzeit ✔ 5G Option zum Surfen mit bis zu 50Mbit/s!
Visit congstar.deWe analyzed Congstar.de page load time and found that the first response time was 908 ms and then it took 123.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
congstar.de performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value20.8 s
0/100
25%
Value11.3 s
5/100
10%
Value12,180 ms
0/100
30%
Value0.344
32/100
15%
Value31.7 s
0/100
10%
908 ms
1485 ms
3488 ms
3135 ms
1769 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Congstar.de, 20% (16 requests) were made to Media3.congstar-media.de and 9% (7 requests) were made to Media2.congstar-media.de. The less responsive or slowest element that took the longest time to load (26.8 sec) relates to the external source Sp.analytics.yahoo.com.
Page size can be reduced by 1.9 MB (34%)
5.6 MB
3.8 MB
In fact, the total size of Congstar.de main page is 5.6 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 3.3 MB which makes up the majority of the site volume.
Potential reduce by 213.8 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 213.8 kB or 86% of the original size.
Potential reduce by 141.4 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. Congstar images are well optimized though.
Potential reduce by 526.5 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 526.5 kB or 72% of the original size.
Potential reduce by 1.0 MB
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. Congstar.de needs all CSS files to be minified and compressed as it can save up to 1.0 MB or 75% of the original size.
Number of requests can be reduced by 30 (52%)
58
28
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Congstar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
congstar.de
908 ms
www.congstar.de
1485 ms
merged-5181fe82a88c25ec33763fb5dca34691.css
3488 ms
merged-54fcf685b9900c8e946ca385de8cb9cd.css
3135 ms
jquery.min.js
1769 ms
document-register-element.js
1803 ms
merged-ca41020cfcb6052a2eb425d0f15b97cc.js
3167 ms
merged-ff5b1fe03f94ac919279e0c60216ae0d.js
3182 ms
custom.js
3109 ms
merged-8a62eb64ef971ac25ade8b1ad03a8b20.js
4749 ms
merged-ef0ab8d8b15ec13061efd0dfe904433d.js
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home-buehne-10-jahre-congstar-sony-xperia-xa1-02.png
2932 ms
blank.gif
9432 ms
tidal-musik-option-header-3.png
3594 ms
gtm.js
3544 ms
logo_congstar_image.svg
1425 ms
logo_congstar_name.svg
2039 ms
plain
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home-buehne-10-jahre-congstar-sony-xperia-xa1-02.png
15554 ms
tidal-musik-option-header-3.png
7238 ms
ed91348a-d965-4bc4-a7bc-3d12ab0f9cfb-3.woff
3848 ms
86bef0b5-fa75-4ca3-8394-cb7b5a474a45-3.woff
7190 ms
CongstarFont.woff
8833 ms
icomoon.woff
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init.js
15054 ms
benefits_sicher.svg
3306 ms
benefits_finanzierung.svg
3554 ms
benefits_schnell.svg
6032 ms
benefits_rueckgabe.svg
7475 ms
logo_stpauli.svg
8714 ms
logo_facebook.svg
8476 ms
logo_twitter.svg
8658 ms
logo_googleplus.svg
8659 ms
logo_youtube.svg
8391 ms
logo_instagram.png
8643 ms
analytics.js
11972 ms
genjscode.aspx
12985 ms
activityi;src=4395928;type=ulip-0;cat=userl0;u15=undefined;ord=727361085568;~oref=https%3A%2F%2Fwww.congstar.de%2F
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conversion_async.js
20099 ms
tag.js
0 ms
proactive.aspx
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zanox.js
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param.aspx
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gfk_telekom_onexit.deu.min.js
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fbds.js
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iframe_api
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affadvc.aspx
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clippy__avatar.png
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top-device-teasers
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plan-teasers
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plan-teasers
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dots-bg.png
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XD26E745AE43067B35326C90037A8D917.js
0 ms
activityi;src=4395928;type=Homez0;cat=Homep0;u15=undefined;u2=homepage;u1=1064331759;u19=undefined;u18=0;ord=8170501186163;~oref=https%3A%2F%2Fwww.congstar.de%2F
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cx.client.min.js
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ec.js
13050 ms
handy-placeholder.svg
8977 ms
portalsettings.js
8439 ms
epcd.min.js
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swipe_dot_aktiv.svg
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swipe_dot_inaktiv.svg
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spp.pl
26795 ms
rt
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rt
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rt
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rt
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js
23035 ms
pixel
23011 ms
src=6955711;type=invmedia;cat=xqeb3cn1;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=1
22874 ms
20684 ms
www-widgetapi.js
20549 ms
20546 ms
onLoad
20272 ms
portaldetection.js
19507 ms
capture-apps-5.0.0.js
18893 ms
collect
18373 ms
collect
19428 ms
piwik.php
18358 ms
iframeStorage-5.0.0.html
172 ms
appsmanagerinit
712 ms
ifs-5.0.0.js
14 ms
28F92664-62B3-4A2C-8996-124E1076757F
930 ms
congstar.de accessibility score
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
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
congstar.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
congstar.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
DE
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Congstar.de 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 Congstar.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.
congstar.de
Open Graph description is not detected on the main page of Congstar. 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: