Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

koelngrund.de

Immobilien in Köln & Umgebung – seit 1985 | KölnGrund

Page Load Speed

4.2 sec in total

First Response

321 ms

Resources Loaded

3.7 sec

Page Rendered

138 ms

koelngrund.de screenshot

About Website

Welcome to koelngrund.de homepage info - get ready to check Koeln Grund best content for Germany right away, or after learning these important things about koelngrund.de

Wir bauen Ihnen die Brücke zum Eigenheim in Köln und Umgebung. KölnGrund bietet Sanierung, Modernisierung und Neubau seit 1985. Informieren Sie sich hier!

Visit koelngrund.de

Key Findings

We analyzed Koelngrund.de page load time and found that the first response time was 321 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

koelngrund.de performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,610 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

koelngrund.de

321 ms

start.html

332 ms

links.html

212 ms

www.koelngrund.djtomo.de

589 ms

rechts.html

218 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Koelngrund.de, 91% (62 requests) were made to Koelngrund.djtomo.de and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Koelngrund.djtomo.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.7 kB (14%)

Content Size

2.7 MB

After Optimization

2.3 MB

In fact, the total size of Koelngrund.de main page is 2.7 MB. 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-41%

Potential reduce by 202 B

  • Original 491 B
  • After minification 473 B
  • After compression 289 B

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 202 B or 41% of the original size.

Image Optimization

-6%

Potential reduce by 154.1 kB

  • Original 2.4 MB
  • After minification 2.2 MB

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. Koeln Grund images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 153.1 kB

  • Original 245.0 kB
  • After minification 213.3 kB
  • After compression 91.9 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 153.1 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 79.3 kB

  • Original 97.7 kB
  • After minification 72.4 kB
  • After compression 18.4 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. Koelngrund.de needs all CSS files to be minified and compressed as it can save up to 79.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (55%)

Requests Now

65

After Optimization

29

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koeln Grund. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

koelngrund.de accessibility score

96

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

button, link, and menuitem elements do not have accessible names.

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

koelngrund.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

koelngrund.de 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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koelngrund.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 Koelngrund.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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