Tools & Wizards About Us
colognehotel.org screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

colognehotel.org

Hotels, Accommodations and Lodgings in Cologne, Germany ≡ Only top-notch Cologne Hotels, Handpicked Just for You

Page Load Speed

4.6 sec in total

First Response

673 ms

Resources Loaded

3.6 sec

Page Rendered

327 ms

colognehotel.org screenshot

About Website

Click here to check amazing Cologne Hotel content. Otherwise, check out these important facts you probably never knew about colognehotel.org

Online booking for hotels in Cologne, Germany. Good availability and great rates. Cheap and secure, pay at the hotel, no booking fees.

Visit colognehotel.org

Key Findings

We analyzed Colognehotel.org page load time and found that the first response time was 673 ms and then it took 3.9 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

colognehotel.org performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

673 ms

common-d9f6ddcf39.pack.css

260 ms

dtheme401-31adc5987c.pack.css

445 ms

leaflet-bb6c40abaa.pack.css

451 ms

sprite.svg

909 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 63% of them (27 requests) were addressed to the original Colognehotel.org, 14% (6 requests) were made to Fonts.gstatic.com and 7% (3 requests) were made to C.tile.openstreetmap.fr. The less responsive or slowest element that took the longest time to load (956 ms) belongs to the original domain Colognehotel.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.0 kB (17%)

Content Size

634.0 kB

After Optimization

525.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Colognehotel.org main page is 634.0 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. 45% of websites need less resources to load. Images take 467.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 93.9 kB

  • Original 109.0 kB
  • After minification 107.1 kB
  • After compression 15.0 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 93.9 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 3.2 kB

  • Original 467.6 kB
  • After minification 464.4 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. Cologne Hotel images are well optimized though.

CSS Optimization

-21%

Potential reduce by 11.9 kB

  • Original 57.4 kB
  • After minification 57.4 kB
  • After compression 45.5 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. Colognehotel.org needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (22%)

Requests Now

36

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cologne Hotel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

673 ms

common-d9f6ddcf39.pack.css

common-d9f6ddcf39.pack.css

260 ms

dtheme401-31adc5987c.pack.css

dtheme401-31adc5987c.pack.css

445 ms

leaflet-bb6c40abaa.pack.css

leaflet-bb6c40abaa.pack.css

451 ms

sprite.svg

sprite.svg

909 ms

128146.PNG

128146.PNG

393 ms

_.gif

_.gif

371 ms

polyfill.min.js

polyfill.min.js

356 ms

vendors-5c3e92ad7a.pack.js

vendors-5c3e92ad7a.pack.js

956 ms

app-6d56b80a46.pack.js

app-6d56b80a46.pack.js

707 ms

piwik.js

piwik.js

625 ms

css

css

23 ms

css

css

35 ms

icn-ccdeefb26e.png

icn-ccdeefb26e.png

377 ms

close.png

close.png

190 ms

loading.gif

loading.gif

364 ms

prev.png

prev.png

386 ms

next-80bfdf94f6.png

next-80bfdf94f6.png

467 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVQ.woff

16 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4kaVQ.woff

36 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4kaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4kaVQ.woff

104 ms

7cH1v4okm5zmbvwkAx_sfcEuiD8jvvKsPdC5.woff

7cH1v4okm5zmbvwkAx_sfcEuiD8jvvKsPdC5.woff

73 ms

7cH1v4okm5zmbvwkAx_sfcEuiD8j4PKsPdC5.woff

7cH1v4okm5zmbvwkAx_sfcEuiD8j4PKsPdC5.woff

84 ms

7cH1v4okm5zmbvwkAx_sfcEuiD8jYPWsPdC5.woff

7cH1v4okm5zmbvwkAx_sfcEuiD8jYPWsPdC5.woff

103 ms

d-calendar.png

d-calendar.png

262 ms

leaflet.pack.js

leaflet.pack.js

447 ms

sprite.svg

sprite.svg

619 ms

1435491607.JPEG

1435491607.JPEG

158 ms

566408076.JPEG

566408076.JPEG

106 ms

1435779448.JPEG

1435779448.JPEG

252 ms

1276986514.JPEG

1276986514.JPEG

226 ms

690359184.JPEG

690359184.JPEG

308 ms

1227827975.JPEG

1227827975.JPEG

333 ms

1367755322.JPEG

1367755322.JPEG

374 ms

piwik.php

piwik.php

440 ms

685.png

685.png

550 ms

685.png

685.png

563 ms

686.png

686.png

541 ms

686.png

686.png

658 ms

686.png

686.png

767 ms

685.png

685.png

651 ms

685.png

685.png

762 ms

686.png

686.png

673 ms

Accessibility Review

colognehotel.org accessibility score

67

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.

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

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

colognehotel.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

colognehotel.org SEO score

86

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colognehotel.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Colognehotel.org 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

colognehotel.org

Open Graph description is not detected on the main page of Cologne Hotel. 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: