Tools & Wizards About Us
c3.ag screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

c3.ag

c3-cramm car concepts GmbH - Kfz-Elektronik-Reparaturen | 3 Jahre Garantie » Home

Page Load Speed

6.6 sec in total

First Response

47 ms

Resources Loaded

6.4 sec

Page Rendered

170 ms

c3.ag screenshot

About Website

Visit c3.ag now to see the best up-to-date C 3 content and also check out these interesting facts you probably never knew about c3.ag

c3 mit Sitz in Isenbüttel hat sich auf die Reparatur und Instandsetzung von defekter Kfz-Elektronik mit 3 Jahren Garantie spezialisiert. Wir bieten Ihnen so eine perfekte Alternative zum teuren Neutei...

Visit c3.ag

Key Findings

We analyzed C3.ag page load time and found that the first response time was 47 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

c3.ag performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.137

80/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

c3.ag

47 ms

c3.ag

458 ms

www.c3.ag

699 ms

bootstrap.css

520 ms

jquery.fancybox.css

431 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original C3.ag, 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain C3.ag.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.4 kB (23%)

Content Size

311.3 kB

After Optimization

239.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C3.ag main page is 311.3 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. 30% of websites need less resources to load. Images take 173.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 17.4 kB

  • Original 23.8 kB
  • After minification 20.9 kB
  • After compression 6.3 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.4 kB or 73% of the original size.

Image Optimization

-25%

Potential reduce by 43.8 kB

  • Original 173.0 kB
  • After minification 129.2 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. Obviously, C 3 needs image optimization as it can save up to 43.8 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 3.7 kB

  • Original 86.7 kB
  • After minification 86.7 kB
  • After compression 83.0 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

-23%

Potential reduce by 6.4 kB

  • Original 27.9 kB
  • After minification 23.7 kB
  • After compression 21.4 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. C3.ag needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (47%)

Requests Now

34

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 3. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

c3.ag

c3.ag

47 ms

c3.ag

c3.ag

458 ms

www.c3.ag

www.c3.ag

699 ms

bootstrap.css

bootstrap.css

520 ms

jquery.fancybox.css

jquery.fancybox.css

431 ms

jquery-ui-1.8.23.custom.css

jquery-ui-1.8.23.custom.css

439 ms

styles.min.css

styles.min.css

451 ms

custom.css

custom.css

443 ms

html5ext.js

html5ext.js

477 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

963 ms

jquery.alphanumeric.pack.js

jquery.alphanumeric.pack.js

1731 ms

bootstrap.js

bootstrap.js

1744 ms

jquery-ui-1.8.23.custom.min.js

jquery-ui-1.8.23.custom.min.js

1595 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

2648 ms

jquery.mousewheel-3.0.6,pack.js

jquery.mousewheel-3.0.6,pack.js

2950 ms

jquery.placeholder.js

jquery.placeholder.js

2744 ms

gedepiar.js

gedepiar.js

2839 ms

custom.js

custom.js

2755 ms

error_search.js

error_search.js

3770 ms

avis_check.js

avis_check.js

3819 ms

js

js

62 ms

js

js

110 ms

download_35-35.png

download_35-35.png

797 ms

icon-envelope_35-35.png

icon-envelope_35-35.png

814 ms

bg_header.png

bg_header.png

796 ms

logo_c3.png

logo_c3.png

792 ms

abholung.png

abholung.png

1214 ms

dpf.png

dpf.png

1646 ms

kfzschein.jpg

kfzschein.jpg

1216 ms

search_part_arrow.png

search_part_arrow.png

1800 ms

download.png

download.png

1801 ms

icon-envelope.png

icon-envelope.png

1802 ms

Auftragannahme.png

Auftragannahme.png

1804 ms

bg_hotline.png

bg_hotline.png

1747 ms

00-cctld-de-icon.png

00-cctld-de-icon.png

2045 ms

bg_content.png

bg_content.png

2162 ms

bg_upperfoot_outer.png

bg_upperfoot_outer.png

1357 ms

bg_upperfoot.png

bg_upperfoot.png

1373 ms

Accessibility Review

c3.ag accessibility score

93

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

Links do not have a discernible name

Best Practices

c3.ag 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

SEO Factors

c3.ag 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

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 C3.ag 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 C3.ag 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

c3.ag

Open Graph description is not detected on the main page of C 3. 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: