Tools & Wizards About Us
kayak.dk screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

kayak.dk

Flybilletter, hoteller og biludlejning | Søg med KAYAK

Page Load Speed

2.2 sec in total

First Response

155 ms

Resources Loaded

1.8 sec

Page Rendered

236 ms

kayak.dk screenshot

About Website

Visit kayak.dk now to see the best up-to-date KAYAK content for Denmark and also check out these interesting facts you probably never knew about kayak.dk

KAYAK gennemsøger hundredvis af andre rejsesider på samme tid for at finde den information, du skal bruge til at tage en velovervejet beslutning omkring fly, hoteller og lejebiler.

Visit kayak.dk

Key Findings

We analyzed Kayak.dk page load time and found that the first response time was 155 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

kayak.dk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value2,430 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

www.kayak.dk

155 ms

horizon.less

165 ms

legacy.less

175 ms

keel.less

187 ms

common.less

197 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 6% of them (5 requests) were addressed to the original Kayak.dk, 18% (15 requests) were made to A2.r9cdn.net and 17% (14 requests) were made to A1.r9cdn.net. The less responsive or slowest element that took the longest time to load (426 ms) relates to the external source Connect.facebook.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 341.7 kB (64%)

Content Size

536.5 kB

After Optimization

194.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kayak.dk main page is 536.5 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. 70% of websites need less resources to load. Javascripts take 357.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 143.3 kB

  • Original 178.8 kB
  • After minification 178.1 kB
  • After compression 35.5 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 143.3 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 169 B
  • After minification 169 B

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. KAYAK images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 198.4 kB

  • Original 357.5 kB
  • After minification 356.8 kB
  • After compression 159.1 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 198.4 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (58%)

Requests Now

81

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KAYAK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.kayak.dk

www.kayak.dk

155 ms

horizon.less

horizon.less

165 ms

legacy.less

legacy.less

175 ms

keel.less

keel.less

187 ms

common.less

common.less

197 ms

hotels.less

hotels.less

215 ms

seo.less

seo.less

162 ms

base.less

base.less

212 ms

globalalien.js

globalalien.js

197 ms

horizon.js

horizon.js

178 ms

legacy.js

legacy.js

325 ms

common.js

common.js

324 ms

hotels.js

hotels.js

197 ms

base.js

base.js

197 ms

seo.js

seo.js

197 ms

js

js

321 ms

hwt-logo-for-white.png

hwt-logo-for-white.png

192 ms

kayak-logo.png

kayak-logo.png

296 ms

15x15-15-offset-x.png

15x15-15-offset-x.png

280 ms

19x23-offset-30-menu-icon-header.png

19x23-offset-30-menu-icon-header.png

280 ms

downtip-white.png

downtip-white.png

278 ms

21x24-21-offset-datepicker-icons.png

21x24-21-offset-datepicker-icons.png

282 ms

calendar-close-x.png

calendar-close-x.png

281 ms

a-small-flag-sprite.png

a-small-flag-sprite.png

278 ms

gpt.js

gpt.js

190 ms

async-ads.js

async-ads.js

246 ms

gtm.js

gtm.js

270 ms

NavMenuContent

NavMenuContent

176 ms

c3b36d21-City-16078-53d0006d.jpg

c3b36d21-City-16078-53d0006d.jpg

93 ms

c4ce8aa7-city-7362-5550967b.jpg

c4ce8aa7-city-7362-5550967b.jpg

95 ms

282d16f1-city-9109-556de5b4.jpg

282d16f1-city-9109-556de5b4.jpg

92 ms

5a950c9f-city-22046-552e58fb.jpg

5a950c9f-city-22046-552e58fb.jpg

131 ms

5158e754-city-25465-1525fd406f5.jpg

5158e754-city-25465-1525fd406f5.jpg

91 ms

10x10-offset-20-close-x-sprite.png

10x10-offset-20-close-x-sprite.png

93 ms

ee4b0ac7-city-15830-1525fbbd3e1.jpg

ee4b0ac7-city-15830-1525fbbd3e1.jpg

95 ms

bd933a9c-city-28501-1525fa5d266.jpg

bd933a9c-city-28501-1525fa5d266.jpg

92 ms

a09ba53b-City-13852-53c6ca26.jpg

a09ba53b-City-13852-53c6ca26.jpg

91 ms

43e7b77e-city-2172-552fb825.jpg

43e7b77e-city-2172-552fb825.jpg

91 ms

d174a19f-city-17898-146cf169e9c.jpg

d174a19f-city-17898-146cf169e9c.jpg

129 ms

45x45-45-offset-lightbox-nav.png

45x45-45-offset-lightbox-nav.png

129 ms

33b4cdc7-city-53596-55507c96.jpg

33b4cdc7-city-53596-55507c96.jpg

91 ms

8533.jpg

8533.jpg

88 ms

f91bd9b6-city-36014-551af765.jpg

f91bd9b6-city-36014-551af765.jpg

90 ms

d6a12f84-city-29309-547c81b4.jpg

d6a12f84-city-29309-547c81b4.jpg

91 ms

7e61a560-city-5309-55b5f260.jpg

7e61a560-city-5309-55b5f260.jpg

88 ms

analytics.js

analytics.js

182 ms

pubads_impl_81.js

pubads_impl_81.js

120 ms

ecommerce.js

ecommerce.js

100 ms

ads

ads

223 ms

container.html

container.html

93 ms

conversion_async.js

conversion_async.js

218 ms

bat.js

bat.js

238 ms

fbevents.js

fbevents.js

426 ms

319 ms

d2s3bizpgknsvz.cloudfront.net

d2s3bizpgknsvz.cloudfront.net

235 ms

ytc.js

ytc.js

171 ms

bk-coretag.js

bk-coretag.js

209 ms

activityi;src=5142311;type=visit0;cat=front0;u9=DKK;u12=vbOqgaMsJUuQYzvixDh0W4I4sqw;u14=frontdoor;u15=main;u16=da_DK;u19=false;ord=1989842488617;~oref=https%3A%2F%2Fwww.kayak.dk%2F

activityi;src=5142311;type=visit0;cat=front0;u9=DKK;u12=vbOqgaMsJUuQYzvixDh0W4I4sqw;u14=frontdoor;u15=main;u16=da_DK;u19=false;ord=1989842488617;~oref=https%3A%2F%2Fwww.kayak.dk%2F

212 ms

collect

collect

91 ms

collect

collect

197 ms

collect

collect

136 ms

collect

collect

136 ms

collect

collect

136 ms

collect

collect

152 ms

collect

collect

172 ms

collect

collect

170 ms

collect

collect

167 ms

1

1

64 ms

ads

ads

144 ms

osd.js

osd.js

67 ms

ga-audiences

ga-audiences

37 ms

price-alert_ad_v1.jpg

price-alert_ad_v1.jpg

28 ms

35 ms

js

js

41 ms

2

2

81 ms

ads

ads

158 ms

i.js

i.js

82 ms

explore_ad_v2.jpg

explore_ad_v2.jpg

24 ms

101 ms

121 ms

1

1

46 ms

js

js

32 ms

my-trips_ad_v1.jpg

my-trips_ad_v1.jpg

13 ms

Accessibility Review

kayak.dk accessibility score

58

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

[role] values are not valid

High

[aria-*] attributes are not valid or misspelled

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

Links do not have a discernible name

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

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

kayak.dk 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

High

Missing source maps for large first-party JavaScript

SEO Factors

kayak.dk SEO score

100

Search Engine Optimization Advices

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

    DA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kayak.dk can be misinterpreted by Google and other search engines. Our service has detected that Danish 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 Kayak.dk 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

kayak.dk

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