Tools & Wizards About Us
koelnarchitektur.de screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

koelnarchitektur.de

Archiv geschlossen

Page Load Speed

2.5 sec in total

First Response

219 ms

Resources Loaded

1.7 sec

Page Rendered

544 ms

koelnarchitektur.de screenshot

About Website

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

Standpunkte zur Kölner Architektur, herausragende Projekte, stadtplanerische Konzepte, Veranstaltungen und Wettbewerbe. Interdisziplinär, unabhängig und engagiert.

Visit koelnarchitektur.de

Key Findings

We analyzed Koelnarchitektur.de page load time and found that the first response time was 219 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

koelnarchitektur.de performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

koelnarchitektur.de

219 ms

www.koelnarchitektur.de

594 ms

style.css

373 ms

jquery.min.js

462 ms

lazysizes.min.js

96 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Koelnarchitektur.de and no external sources were called. The less responsive or slowest element that took the longest time to load (594 ms) belongs to the original domain Koelnarchitektur.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 355.4 kB (22%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koelnarchitektur.de main page is 1.6 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. 20% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 60.0 kB

  • Original 71.2 kB
  • After minification 67.2 kB
  • After compression 11.2 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 60.0 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 18.7 kB

  • Original 1.2 MB
  • After minification 1.2 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. Koelnarchitektur images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 118.9 kB

  • Original 176.4 kB
  • After minification 176.4 kB
  • After compression 57.5 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 118.9 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 157.8 kB

  • Original 185.6 kB
  • After minification 181.4 kB
  • After compression 27.8 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. Koelnarchitektur.de needs all CSS files to be minified and compressed as it can save up to 157.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koelnarchitektur. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koelnarchitektur.de

koelnarchitektur.de

219 ms

www.koelnarchitektur.de

www.koelnarchitektur.de

594 ms

style.css

style.css

373 ms

jquery.min.js

jquery.min.js

462 ms

lazysizes.min.js

lazysizes.min.js

96 ms

koelnarchitektur.js

koelnarchitektur.js

281 ms

fonts.css

fonts.css

93 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

104 ms

atk-logo-white.png

atk-logo-white.png

127 ms

ka_abschied-540x366.jpg

ka_abschied-540x366.jpg

128 ms

98_JSWD_All-Scales_2021_Foto-Jan-Bitter_JSWD_0029_1200px-540x360.jpg

98_JSWD_All-Scales_2021_Foto-Jan-Bitter_JSWD_0029_1200px-540x360.jpg

283 ms

DAM_ANTIKE-RADIKAL_HausPahde_FotoConstantinMeyer-540x360.jpg

DAM_ANTIKE-RADIKAL_HausPahde_FotoConstantinMeyer-540x360.jpg

167 ms

210828015-540x360.jpg

210828015-540x360.jpg

189 ms

auschnitt_gerling-Kopie-540x296.jpg

auschnitt_gerling-Kopie-540x296.jpg

188 ms

DSC06554-2-540x304.jpg

DSC06554-2-540x304.jpg

261 ms

fa-brands-400.woff

fa-brands-400.woff

405 ms

fa-solid-900.woff

fa-solid-900.woff

497 ms

koelnarchitektur_flora_header_template.jpg

koelnarchitektur_flora_header_template.jpg

345 ms

Accessibility Review

koelnarchitektur.de accessibility score

76

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-*] attributes do not match their roles

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

koelnarchitektur.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

koelnarchitektur.de SEO score

82

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    DE

  • Encoding

    UTF-8

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

koelnarchitektur.de

Open Graph data is detected on the main page of Koelnarchitektur. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: