Report Summary

  • 87

    Performance

    Renders faster than
    89% 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

  • 83

    SEO

    Google-friendlier than
    46% of websites

office-koeln.de

Kurze technische Pause

Page Load Speed

3 sec in total

First Response

362 ms

Resources Loaded

2.6 sec

Page Rendered

80 ms

office-koeln.de screenshot

About Website

Visit office-koeln.de now to see the best up-to-date Office Koeln content and also check out these interesting facts you probably never knew about office-koeln.de

Visit office-koeln.de

Key Findings

We analyzed Office-koeln.de page load time and found that the first response time was 362 ms and then it took 2.7 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

office-koeln.de performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

office-koeln.de

362 ms

www.officekoeln.de

462 ms

www.officekoeln.de

460 ms

suspendedpage.cgi

110 ms

suspendedpage.cgi

706 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original Office-koeln.de, 91% (10 requests) were made to Officekoeln.de. The less responsive or slowest element that took the longest time to load (706 ms) relates to the external source Officekoeln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.4 kB (17%)

Content Size

787.6 kB

After Optimization

651.2 kB

In fact, the total size of Office-koeln.de main page is 787.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 464.1 kB which makes up the majority of the site volume.

HTML Optimization

-26%

Potential reduce by 62.4 kB

  • Original 242.7 kB
  • After minification 242.5 kB
  • After compression 180.4 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 62.4 kB or 26% of the original size.

Image Optimization

-3%

Potential reduce by 12.6 kB

  • Original 464.1 kB
  • After minification 451.5 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. Office Koeln images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 32.8 kB

  • Original 47.4 kB
  • After minification 37.9 kB
  • After compression 14.6 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 32.8 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 28.6 kB

  • Original 33.3 kB
  • After minification 20.3 kB
  • After compression 4.7 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. Office-koeln.de needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (75%)

Requests Now

4

After Optimization

1

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

Accessibility Review

office-koeln.de accessibility score

85

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

office-koeln.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

office-koeln.de SEO score

83

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Office-koeln.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 Office-koeln.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

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