Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zimmer-in-koeln-deutz.de

Gästezimmer und Ferienwohnungen in Köln finden!

Page Load Speed

2.6 sec in total

First Response

336 ms

Resources Loaded

1.8 sec

Page Rendered

425 ms

About Website

Welcome to zimmer-in-koeln-deutz.de homepage info - get ready to check Zimmer In Koeln Deutz best content right away, or after learning these important things about zimmer-in-koeln-deutz.de

Messezimmer oder ein Gästezimmer bei Privatanbietern in Köln suchen und buchen! Provisionsfrei.

Visit zimmer-in-koeln-deutz.de

Key Findings

We analyzed Zimmer-in-koeln-deutz.de page load time and found that the first response time was 336 ms and then it took 2.2 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

zimmer-in-koeln-deutz.de performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.388

26/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

zimmer-in-koeln-deutz.de

336 ms

bootstrap.css

111 ms

animate.css

509 ms

font-awesome.css

506 ms

nexus.css

510 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 57% of them (28 requests) were addressed to the original Zimmer-in-koeln-deutz.de, 12% (6 requests) were made to Apis.google.com and 10% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (946 ms) belongs to the original domain Zimmer-in-koeln-deutz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.1 kB (15%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zimmer-in-koeln-deutz.de main page is 2.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 37.8 kB

  • Original 46.2 kB
  • After minification 30.0 kB
  • After compression 8.3 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 16.2 kB, which is 35% 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 37.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 19.0 kB

  • Original 1.4 MB
  • After minification 1.4 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. Zimmer In Koeln Deutz images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 276.6 kB

  • Original 647.9 kB
  • After minification 647.9 kB
  • After compression 371.3 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 276.6 kB or 43% of the original size.

CSS Optimization

-4%

Potential reduce by 3.6 kB

  • Original 97.9 kB
  • After minification 97.9 kB
  • After compression 94.3 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. Zimmer-in-koeln-deutz.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (69%)

Requests Now

35

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zimmer In Koeln Deutz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zimmer-in-koeln-deutz.de accessibility score

70

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zimmer-in-koeln-deutz.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

zimmer-in-koeln-deutz.de SEO score

92

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

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 Zimmer-in-koeln-deutz.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 Zimmer-in-koeln-deutz.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 Zimmer In Koeln Deutz. 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: