Tools & Wizards About Us
colsman.de screenshot

Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

colsman.de

Technische Textilien, Futterstoff, Kettherstellung »Colsman«

Page Load Speed

2.7 sec in total

First Response

262 ms

Resources Loaded

2.3 sec

Page Rendered

147 ms

colsman.de screenshot

About Website

Welcome to colsman.de homepage info - get ready to check Colsman best content right away, or after learning these important things about colsman.de

Technische Textilien, Futterstoffe, Kettherstellung in Lohnfertigung: Als Hersteller von technischen Geweben und Futterstoffen ist Gebr. Colsman anerkannter Partner von Industrie und Handel

Visit colsman.de

Key Findings

We analyzed Colsman.de page load time and found that the first response time was 262 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

colsman.de performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.225

55/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

colsman.de

262 ms

colsman.de

783 ms

main.css

342 ms

cookie_panel.css

334 ms

ccf1d2c7699f9bb570a963830ca7c442.css

334 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 90% of them (36 requests) were addressed to the original Colsman.de, 8% (3 requests) were made to Use.fontawesome.com and 3% (1 request) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (783 ms) belongs to the original domain Colsman.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.4 kB (4%)

Content Size

997.0 kB

After Optimization

961.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Colsman.de main page is 997.0 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. 35% of websites need less resources to load. Images take 945.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.3 kB

  • Original 30.1 kB
  • After minification 24.6 kB
  • After compression 5.8 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. This page needs HTML code to be minified as it can gain 5.5 kB, which is 18% 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 24.3 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 11.1 kB

  • Original 945.3 kB
  • After minification 934.2 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. Colsman images are well optimized though.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 21.6 kB
  • After minification 21.6 kB
  • After compression 21.6 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. Colsman.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colsman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

colsman.de

colsman.de

262 ms

colsman.de

colsman.de

783 ms

main.css

main.css

342 ms

cookie_panel.css

cookie_panel.css

334 ms

ccf1d2c7699f9bb570a963830ca7c442.css

ccf1d2c7699f9bb570a963830ca7c442.css

334 ms

all.css

all.css

45 ms

jquery-2.1.4.min.js

jquery-2.1.4.min.js

448 ms

jquery.colorbox.min.js

jquery.colorbox.min.js

333 ms

jquery-ui-1.12.1.min.js

jquery-ui-1.12.1.min.js

608 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

444 ms

kupix.min.js

kupix.min.js

445 ms

parallax.min.js

parallax.min.js

442 ms

om_cookie_main.js

om_cookie_main.js

606 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

25 ms

website.js

website.js

607 ms

bg_pattern_blue.png

bg_pattern_blue.png

120 ms

list.png

list.png

121 ms

naht_oben.png

naht_oben.png

122 ms

colslogo.png

colslogo.png

121 ms

linings-technical-textiles-warp-production.jpg

linings-technical-textiles-warp-production.jpg

501 ms

high-quality-linings.jpg

high-quality-linings.jpg

293 ms

technical-textiles.jpg

technical-textiles.jpg

439 ms

warp-production.jpg

warp-production.jpg

548 ms

futterstoff-venezia.jpg

futterstoff-venezia.jpg

547 ms

elastoson-lining.jpg

elastoson-lining.jpg

439 ms

technische-textilien.jpg

technische-textilien.jpg

404 ms

bg-h2-w.png

bg-h2-w.png

519 ms

bg_pattern_weiss.png

bg_pattern_weiss.png

547 ms

button_blau.png

button_blau.png

549 ms

futterstoffe.jpg

futterstoffe.jpg

610 ms

kettherstellung.jpg

kettherstellung.jpg

624 ms

naht_unten.png

naht_unten.png

657 ms

button_pfeil_footer.png

button_pfeil_footer.png

656 ms

iso-9001-de.png

iso-9001-de.png

657 ms

iso-50001-de.png

iso-50001-de.png

658 ms

psycho-2952528_640.png

psycho-2952528_640.png

721 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

558 ms

fa-solid-900.ttf

fa-solid-900.ttf

42 ms

fa-regular-400.ttf

fa-regular-400.ttf

16 ms

bx_loader.gif

bx_loader.gif

587 ms

Accessibility Review

colsman.de accessibility score

91

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

Buttons do not have an accessible name

Best Practices

colsman.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

colsman.de SEO score

86

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

Document doesn't have a valid hreflang

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 Colsman.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 Colsman.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

colsman.de

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