Tools & Wizards About Us
hotel-kolb.de screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    84% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

hotel-kolb.de

Kolb Hotels auf Langeoog - Kolb Langeoog Hotels

Page Load Speed

5.6 sec in total

First Response

397 ms

Resources Loaded

4 sec

Page Rendered

1.2 sec

hotel-kolb.de screenshot

About Website

Click here to check amazing Hotel Kolb content for Germany. Otherwise, check out these important facts you probably never knew about hotel-kolb.de

Das Hotel Kolb Classic, das Hotel Kolb Lifestyle, das Hotel Kolb Inselchalets und das Retro Design Hotel bieten Ihnen das perfekte Ambiente für Ihren Urlaub auf Langeoog. Kolb Hotel und unsere weitere...

Visit hotel-kolb.de

Key Findings

We analyzed Hotel-kolb.de page load time and found that the first response time was 397 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

hotel-kolb.de performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value6.2 s

44/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

hotel-kolb.de

397 ms

www.kolb-hotels.de

345 ms

www.kolb-hotels.de

690 ms

326 ms

332 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hotel-kolb.de, 99% (89 requests) were made to Kolb-hotels.de. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Kolb-hotels.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 895.8 kB (6%)

Content Size

13.9 MB

After Optimization

13.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hotel-kolb.de main page is 13.9 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. 55% of websites need less resources to load. Images take 13.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.1 kB

  • Original 96.6 kB
  • After minification 91.6 kB
  • After compression 16.5 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 80.1 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 703.7 kB

  • Original 13.6 MB
  • After minification 12.9 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. Hotel Kolb images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 105.6 kB

  • Original 147.0 kB
  • After minification 128.9 kB
  • After compression 41.4 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 105.6 kB or 72% of the original size.

CSS Optimization

-73%

Potential reduce by 6.5 kB

  • Original 8.8 kB
  • After minification 6.6 kB
  • After compression 2.3 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. Hotel-kolb.de needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (36%)

Requests Now

84

After Optimization

54

  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hotel Kolb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hotel-kolb.de

hotel-kolb.de

397 ms

www.kolb-hotels.de

www.kolb-hotels.de

345 ms

www.kolb-hotels.de

www.kolb-hotels.de

690 ms

326 ms

332 ms

346 ms

468 ms

sqrstyle.css

sqrstyle.css

318 ms

style.css

style.css

342 ms

454 ms

style.css

style.css

429 ms

style.css

style.css

439 ms

style.css

style.css

450 ms

style.css

style.css

450 ms

style.css

style.css

535 ms

lobster.css

lobster.css

545 ms

opensans.css

opensans.css

554 ms

jquery.js

jquery.js

763 ms

lightbox.js

lightbox.js

664 ms

protectpictures.js

protectpictures.js

575 ms

651 ms

dropdown.js

dropdown.js

652 ms

echoslider.js

echoslider.js

665 ms

parallax.js

parallax.js

683 ms

tileslider.js

tileslider.js

757 ms

beforeafter.js

beforeafter.js

758 ms

videoteaser.js

videoteaser.js

782 ms

stickybutton.js

stickybutton.js

783 ms

117 ms

122 ms

02_LS_Zimmer_06.jpg

02_LS_Zimmer_06.jpg

583 ms

02_LS_Zimmer_06.jpg

02_LS_Zimmer_06.jpg

682 ms

power0006.jpg

power0006.jpg

570 ms

power0006.jpg

power0006.jpg

654 ms

01_classic_zimmer_06.jpg

01_classic_zimmer_06.jpg

469 ms

01_classic_zimmer_06.jpg

01_classic_zimmer_06.jpg

594 ms

power0005.jpg

power0005.jpg

769 ms

power0005.jpg

power0005.jpg

778 ms

shutterstock_115634173.jpg

shutterstock_115634173.jpg

839 ms

shutterstock_115634173.jpg

shutterstock_115634173.jpg

858 ms

01_No9_LoungeBar_10.jpg

01_No9_LoungeBar_10.jpg

923 ms

01_No9_LoungeBar_10.jpg

01_No9_LoungeBar_10.jpg

922 ms

power004.jpg

power004.jpg

924 ms

power004.jpg

power004.jpg

926 ms

01_Retro_Zimmer_05_Iso300.jpg

01_Retro_Zimmer_05_Iso300.jpg

1012 ms

01_Retro_Zimmer_05_Iso300.jpg

01_Retro_Zimmer_05_Iso300.jpg

1016 ms

navskip.svg

navskip.svg

1027 ms

1033 ms

63e0c109.png

63e0c109.png

1036 ms

63d53742.png

63d53742.png

1035 ms

shutterstock_130448483.jpg

shutterstock_130448483.jpg

1159 ms

63d53754.png

63d53754.png

1125 ms

shutterstock_129514190.jpg

shutterstock_129514190.jpg

1266 ms

63d53788.png

63d53788.png

1136 ms

shutterstock_149087474.jpg

shutterstock_149087474.jpg

1170 ms

63d53788.png

63d53788.png

1144 ms

2021-05-14-14-53-09-149.jpg

2021-05-14-14-53-09-149.jpg

1263 ms

Logo_Kolb_pos_4c.jpg

Logo_Kolb_pos_4c.jpg

1264 ms

power0011.jpg

power0011.jpg

1272 ms

nr002.jpg

nr002.jpg

1334 ms

nr003.jpg

nr003.jpg

1313 ms

nr001.jpg

nr001.jpg

1393 ms

Logo_Schiffchen_web.png

Logo_Schiffchen_web.png

1397 ms

power0012.jpg

power0012.jpg

1368 ms

opensans-webfont.woff

opensans-webfont.woff

1266 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

1303 ms

lobster-webfont.woff

lobster-webfont.woff

975 ms

powerline112a.jpg

powerline112a.jpg

944 ms

_PEU2889.jpg

_PEU2889.jpg

971 ms

_PEU3004.jpg

_PEU3004.jpg

945 ms

powerline053.jpg

powerline053.jpg

912 ms

Logo_DieOase_pos_4c.jpg

Logo_DieOase_pos_4c.jpg

869 ms

powerline0022%20%287%29.jpg

powerline0022%20%287%29.jpg

823 ms

powerline0022%20%284%29.jpg

powerline0022%20%284%29.jpg

877 ms

Logo_CafeLeiss_pos_4c.png

Logo_CafeLeiss_pos_4c.png

831 ms

808 ms

755 ms

794 ms

63d946b1.png

63d946b1.png

777 ms

gutscheine.png

gutscheine.png

854 ms

shutterstock_99149375.jpg

shutterstock_99149375.jpg

803 ms

shutterstock_36185905.jpg

shutterstock_36185905.jpg

816 ms

shutterstock_2799797.jpg

shutterstock_2799797.jpg

800 ms

power004.jpg

power004.jpg

826 ms

_PEU2834.jpg

_PEU2834.jpg

822 ms

shutterstock_120171817.jpg

shutterstock_120171817.jpg

896 ms

806 ms

power008.jpg

power008.jpg

843 ms

hund.jpg

hund.jpg

816 ms

810 ms

Accessibility Review

hotel-kolb.de accessibility score

92

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

Links do not have a discernible name

Best Practices

hotel-kolb.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

hotel-kolb.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

    DE

  • Encoding

    UTF-8

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

hotel-kolb.de

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