Tools & Wizards About Us
koeln-netz.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

koeln-netz.com

Köln Hotel Apartment-Buchung sowie Tipps für Karneval und Messe Köln

Page Load Speed

3.4 sec in total

First Response

346 ms

Resources Loaded

2.6 sec

Page Rendered

417 ms

koeln-netz.com screenshot

About Website

Click here to check amazing Koeln Netz content. Otherwise, check out these important facts you probably never knew about koeln-netz.com

Köln Hotel, Apartment-Buchung sowie Tipps für Karneval und Messe Köln. Hotel Köln für Aufenthalt Köln, Messe Köln und Karneval Köln.

Visit koeln-netz.com

Key Findings

We analyzed Koeln-netz.com page load time and found that the first response time was 346 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster. This domain responded with an error, which can significantly jeopardize Koeln-netz.com rating and web reputation

Performance Metrics

koeln-netz.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.469

18/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

koeln-netz.com

346 ms

www.koeln-netz.com

500 ms

plusone.js

61 ms

style.css

208 ms

logo_de.css

212 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 49% of them (48 requests) were addressed to the original Koeln-netz.com, 13% (13 requests) were made to Apis.google.com and 7% (7 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Koeln-netz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.6 kB (43%)

Content Size

1.1 MB

After Optimization

611.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koeln-netz.com main page is 1.1 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. 65% of websites need less resources to load. Javascripts take 570.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 28.9 kB

  • Original 39.4 kB
  • After minification 37.8 kB
  • After compression 10.5 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 28.9 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 19.9 kB

  • Original 380.8 kB
  • After minification 360.9 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. Koeln Netz images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 347.5 kB

  • Original 570.0 kB
  • After minification 510.1 kB
  • After compression 222.5 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 347.5 kB or 61% of the original size.

CSS Optimization

-79%

Potential reduce by 66.4 kB

  • Original 84.3 kB
  • After minification 71.4 kB
  • After compression 17.9 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. Koeln-netz.com needs all CSS files to be minified and compressed as it can save up to 66.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (57%)

Requests Now

90

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koeln Netz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

koeln-netz.com

koeln-netz.com

346 ms

www.koeln-netz.com

www.koeln-netz.com

500 ms

plusone.js

plusone.js

61 ms

style.css

style.css

208 ms

logo_de.css

logo_de.css

212 ms

media.css

media.css

214 ms

style_custom.css

style_custom.css

216 ms

media_custom.css

media_custom.css

214 ms

style_vn.css

style_vn.css

218 ms

media_vn.css

media_vn.css

300 ms

style_dp.css

style_dp.css

301 ms

media_dp.css

media_dp.css

302 ms

tbf.css

tbf.css

310 ms

jquery-1.8.3.js

jquery-1.8.3.js

551 ms

site.js

site.js

322 ms

touch.js

touch.js

393 ms

fuf.js

fuf.js

394 ms

voting.js

voting.js

395 ms

mtb.js

mtb.js

402 ms

as.js

as.js

418 ms

tb.js

tb.js

485 ms

class-extend.js

class-extend.js

484 ms

jquery-ui.js

jquery-ui.js

766 ms

jquery.datepick.js

jquery.datepick.js

689 ms

jquery.datepick-de.js

jquery.datepick-de.js

519 ms

jquery.trackbar.js

jquery.trackbar.js

576 ms

jquery-ui.css

jquery-ui.css

578 ms

adsbygoogle.js

adsbygoogle.js

34 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

share42.js

share42.js

531 ms

show_ads.js

show_ads.js

3 ms

all.js

all.js

69 ms

functions.js

functions.js

556 ms

co-de.js

co-de.js

211 ms

bg.png

bg.png

182 ms

loading.gif

loading.gif

455 ms

top.png

top.png

740 ms

ca-pub-8794947707308555.js

ca-pub-8794947707308555.js

29 ms

zrt_lookup.html

zrt_lookup.html

57 ms

show_ads_impl.js

show_ads_impl.js

56 ms

header.JPG

header.JPG

566 ms

bg-tr-wh.png

bg-tr-wh.png

156 ms

logo_de.png

logo_de.png

408 ms

search.png

search.png

429 ms

open.png

open.png

428 ms

duesseldorf.gif

duesseldorf.gif

419 ms

sauerland.jpg

sauerland.jpg

791 ms

ostsee-netz.jpg

ostsee-netz.jpg

797 ms

nordsee.jpg

nordsee.jpg

640 ms

harz.gif

harz.gif

638 ms

hessen.gif

hessen.gif

790 ms

thueringen.gif

thueringen.gif

787 ms

bayern.gif

bayern.gif

789 ms

schwarzwald.gif

schwarzwald.gif

788 ms

Netherlands.gif

Netherlands.gif

954 ms

estatebanner_de.jpg

estatebanner_de.jpg

1038 ms

pixel.gif

pixel.gif

964 ms

342 ms

osd.js

osd.js

16 ms

ads

ads

347 ms

ads

ads

367 ms

ga.js

ga.js

260 ms

xd_arbiter.php

xd_arbiter.php

298 ms

xd_arbiter.php

xd_arbiter.php

295 ms

show_ads.js

show_ads.js

240 ms

all.js

all.js

343 ms

plusone.js

plusone.js

287 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

56 ms

cb=gapi.loaded_2

cb=gapi.loaded_2

54 ms

badge

badge

156 ms

ads

ads

141 ms

__utm.gif

__utm.gif

31 ms

postmessageRelay

postmessageRelay

61 ms

like.php

like.php

253 ms

css

css

208 ms

m_js_controller.js

m_js_controller.js

59 ms

abg.js

abg.js

76 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

252 ms

rpc:shindig_random.js

rpc:shindig_random.js

269 ms

rs=AGLTcCPol5LxJ8VE8vsY9K9nUlO762ujLA

rs=AGLTcCPol5LxJ8VE8vsY9K9nUlO762ujLA

64 ms

rs=AGLTcCOJ4AMNA1EZSgGPzZnainRbXAPPWA

rs=AGLTcCOJ4AMNA1EZSgGPzZnainRbXAPPWA

77 ms

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

98 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

279 ms

15296896766074207407

15296896766074207407

246 ms

s

s

177 ms

x_button_blue2.png

x_button_blue2.png

171 ms

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

120 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

334 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

349 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

82 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

215 ms

dtpHsbgPEm2lVWciJZ0P-A.ttf

dtpHsbgPEm2lVWciJZ0P-A.ttf

222 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

221 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

48 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

172 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

38 ms

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

rs=AGLTcCP6UXflGmKIuWe_n5R28T__wpu8xQ

111 ms

Accessibility Review

koeln-netz.com accessibility score

63

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

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

koeln-netz.com best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

koeln-netz.com SEO score

91

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koeln-netz.com 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 Koeln-netz.com 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

koeln-netz.com

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