Tools & Wizards About Us
cog.de screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cog.de

O-Ringe und Elastomerdichtungen vom Spezialisten| C. Otto Gehrckens GmbH & Co. KG

Page Load Speed

5.6 sec in total

First Response

1.4 sec

Resources Loaded

3.9 sec

Page Rendered

259 ms

cog.de screenshot

About Website

Welcome to cog.de homepage info - get ready to check Co G best content for Poland right away, or after learning these important things about cog.de

Experte für O-Ringe und Elastomerdichtungen. Über 45.000 Positionen ab Lager lieferbar. Portfolio: EPDM, FKM, FFKM, NBR, VMQ, PTFE u. v. m.

Visit cog.de

Key Findings

We analyzed Cog.de page load time and found that the first response time was 1.4 sec and then it took 4.2 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

cog.de performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.263

47/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

start.html

1402 ms

stylesheet_55d530902f.css

305 ms

style_screen_start.css

404 ms

style_navi.css

309 ms

style_tables.css

311 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 88% of them (51 requests) were addressed to the original Cog.de, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Etracker.de. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Cog.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.6 kB (47%)

Content Size

423.0 kB

After Optimization

224.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cog.de main page is 423.0 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. 20% of websites need less resources to load. Javascripts take 167.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 33.3 kB

  • Original 43.0 kB
  • After minification 35.4 kB
  • After compression 9.8 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 7.6 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 33.3 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 5.2 kB

  • Original 163.5 kB
  • After minification 158.3 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. Co G images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 118.5 kB

  • Original 167.5 kB
  • After minification 141.4 kB
  • After compression 49.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 118.5 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 41.6 kB

  • Original 49.0 kB
  • After minification 36.4 kB
  • After compression 7.4 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. Cog.de needs all CSS files to be minified and compressed as it can save up to 41.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (50%)

Requests Now

56

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Co G. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

start.html

start.html

1402 ms

stylesheet_55d530902f.css

stylesheet_55d530902f.css

305 ms

style_screen_start.css

style_screen_start.css

404 ms

style_navi.css

style_navi.css

309 ms

style_tables.css

style_tables.css

311 ms

rte.css

rte.css

313 ms

style_screen_head1.css

style_screen_head1.css

314 ms

javascript_757c080409.js

javascript_757c080409.js

402 ms

script_new.js

script_new.js

408 ms

jquery-1.6.4.min.js

jquery-1.6.4.min.js

722 ms

jquery.socialshareprivacy.js

jquery.socialshareprivacy.js

521 ms

urchin.js

urchin.js

8 ms

bg_body.gif

bg_body.gif

109 ms

bg_inhalt.gif

bg_inhalt.gif

104 ms

banner_links.gif

banner_links.gif

106 ms

banner_mitte.gif

banner_mitte.gif

107 ms

banner_rechts.gif

banner_rechts.gif

203 ms

navi_border_bottom.gif

navi_border_bottom.gif

205 ms

facebook.jpg

facebook.jpg

206 ms

xing.jpg

xing.jpg

212 ms

linkedin.jpg

linkedin.jpg

215 ms

social-trenner.jpg

social-trenner.jpg

304 ms

ad187982f4.jpg

ad187982f4.jpg

305 ms

6c9e0dc144.jpg

6c9e0dc144.jpg

307 ms

b696375e5c.jpg

b696375e5c.jpg

326 ms

35eb9a993f.jpg

35eb9a993f.jpg

424 ms

898807fcb9.jpg

898807fcb9.jpg

403 ms

4c237a46c8.jpg

4c237a46c8.jpg

404 ms

58859c82be.png

58859c82be.png

509 ms

de.gif

de.gif

414 ms

en.gif

en.gif

422 ms

fr.gif

fr.gif

502 ms

es.gif

es.gif

503 ms

it.gif

it.gif

515 ms

pl.gif

pl.gif

526 ms

cz.gif

cz.gif

527 ms

br.gif

br.gif

601 ms

cn.gif

cn.gif

602 ms

btn_search.gif

btn_search.gif

611 ms

6f02032c42.jpg

6f02032c42.jpg

618 ms

9e96c09433.jpg

9e96c09433.jpg

630 ms

sidebar_box_bottom.gif

sidebar_box_bottom.gif

631 ms

o-ring-fkm_de.jpg

o-ring-fkm_de.jpg

663 ms

bg_search.gif

bg_search.gif

369 ms

sidebar_box_bg.gif

sidebar_box_bg.gif

379 ms

sidebar_box_top.gif

sidebar_box_top.gif

388 ms

content_end.gif

content_end.gif

401 ms

bg_footer.gif

bg_footer.gif

402 ms

footer_end.gif

footer_end.gif

468 ms

__utm.gif

__utm.gif

4 ms

cnt.php

cnt.php

210 ms

t.js

t.js

601 ms

cnt.php

cnt.php

203 ms

socialshareprivacy.css

socialshareprivacy.css

107 ms

facebook.gif

facebook.gif

108 ms

socialshareprivacy_on_off.png

socialshareprivacy_on_off.png

106 ms

count.js

count.js

267 ms

count.js

count.js

408 ms

Accessibility Review

cog.de accessibility score

86

Accessibility Issues

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

High

ARIA input fields do not have accessible names

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cog.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

cog.de SEO score

93

Search Engine Optimization Advices

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 Cog.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 Cog.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

cog.de

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