Tools & Wizards About Us
kolb-edv.de screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

kolb-edv.de

Kolb IT&Medien Webdesign Halle

Page Load Speed

15 sec in total

First Response

408 ms

Resources Loaded

14.4 sec

Page Rendered

206 ms

kolb-edv.de screenshot

About Website

Welcome to kolb-edv.de homepage info - get ready to check Kolb Edv best content right away, or after learning these important things about kolb-edv.de

Kolb IT&Medien aus Halle bietet Webdesign Redesign mit CMS Content Management System, ECommerce Shop als Responsive Design.

Visit kolb-edv.de

Key Findings

We analyzed Kolb-edv.de page load time and found that the first response time was 408 ms and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

kolb-edv.de performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

kolb-edv.de

408 ms

kolbitmedien.de

1938 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

235 ms

css_gVGFplumcGoJ2okZlVPI3HbaT-4z725h0TUUahmzdhk.css

975 ms

css_LHeijeW6zApm_yIv3N0PEGFAcaVynDf-MP3uqFP5t-Q.css

634 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Kolb-edv.de, 85% (22 requests) were made to Kolbitmedien.de and 8% (2 requests) were made to Web322.s30.server-centrum.de. The less responsive or slowest element that took the longest time to load (10.1 sec) relates to the external source Kolbitmedien.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.6 kB (14%)

Content Size

247.4 kB

After Optimization

213.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kolb-edv.de main page is 247.4 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. Javascripts take 104.5 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 13.6 kB

  • Original 18.8 kB
  • After minification 17.0 kB
  • After compression 5.2 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 13.6 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 4.1 kB

  • Original 99.9 kB
  • After minification 95.9 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. Kolb Edv images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 15.8 kB

  • Original 104.5 kB
  • After minification 103.2 kB
  • After compression 88.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 15.8 kB or 15% of the original size.

CSS Optimization

-0%

Potential reduce by 95 B

  • Original 24.3 kB
  • After minification 24.3 kB
  • After compression 24.2 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. Kolb-edv.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (42%)

Requests Now

24

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolb Edv. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kolb-edv.de

kolb-edv.de

408 ms

kolbitmedien.de

kolbitmedien.de

1938 ms

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css

235 ms

css_gVGFplumcGoJ2okZlVPI3HbaT-4z725h0TUUahmzdhk.css

css_gVGFplumcGoJ2okZlVPI3HbaT-4z725h0TUUahmzdhk.css

975 ms

css_LHeijeW6zApm_yIv3N0PEGFAcaVynDf-MP3uqFP5t-Q.css

css_LHeijeW6zApm_yIv3N0PEGFAcaVynDf-MP3uqFP5t-Q.css

634 ms

css_wJg06ujLMycE59scwi6IMlUDmQofnHtIZZAnKPb-8ZY.css

css_wJg06ujLMycE59scwi6IMlUDmQofnHtIZZAnKPb-8ZY.css

1885 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

15 ms

kolb-webdesign-halle.png

kolb-webdesign-halle.png

3433 ms

versicherungsmakler-leipzig_0.jpg

versicherungsmakler-leipzig_0.jpg

880 ms

bar-autoankauf-halle.jpg

bar-autoankauf-halle.jpg

2229 ms

ahrenshof-elsterglanz.jpg

ahrenshof-elsterglanz.jpg

1724 ms

quad-halle.jpg

quad-halle.jpg

4388 ms

js__rA09ISyEAAn25dpnElHzY2HFW1c_FGJ7Ui4ahOjD78.js

js__rA09ISyEAAn25dpnElHzY2HFW1c_FGJ7Ui4ahOjD78.js

1401 ms

js_H7q2xORKmR9AN8Qx5spKEIBp7R_wG2apAswJoCUZY7I.js

js_H7q2xORKmR9AN8Qx5spKEIBp7R_wG2apAswJoCUZY7I.js

1952 ms

js_LYnsNokJ3hCwYVzOkOBap0cPdxFI3f_jpkPxZtvMMyw.js

js_LYnsNokJ3hCwYVzOkOBap0cPdxFI3f_jpkPxZtvMMyw.js

1953 ms

js_177nhH5Nm8sC4H8AMCo6GVpGRf7g17kZ8qLyIBCqHGI.js

js_177nhH5Nm8sC4H8AMCo6GVpGRf7g17kZ8qLyIBCqHGI.js

2107 ms

js_436q9-5IsicICYhqKfOfqdyleU6ejJMdmABY2zVDRY4.js

js_436q9-5IsicICYhqKfOfqdyleU6ejJMdmABY2zVDRY4.js

4526 ms

js_tqC0xSbhZO_YGs08n9CwrrPj091CkUFnc8Rnjlybb3I.js

js_tqC0xSbhZO_YGs08n9CwrrPj091CkUFnc8Rnjlybb3I.js

2159 ms

bodybg.jpg

bodybg.jpg

422 ms

mainbg.jpg

mainbg.jpg

1065 ms

bgheader.jpg

bgheader.jpg

520 ms

responsive-design-tablet.jpg

responsive-design-tablet.jpg

10109 ms

frontbg.png

frontbg.png

737 ms

refbg.jpg

refbg.jpg

958 ms

piwik.js

piwik.js

514 ms

piwik.php

piwik.php

166 ms

Accessibility Review

kolb-edv.de accessibility score

85

Accessibility Issues

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

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

kolb-edv.de best practices score

75

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

kolb-edv.de SEO score

93

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolb-edv.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Kolb-edv.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

kolb-edv.de

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