Tools & Wizards About Us
tcselfservice.thomascook.com screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

tcselfservice.thomascook.com

Thomas Cook Holidays | Package Holidays, Hotels & City Breaks

Page Load Speed

5.6 sec in total

First Response

188 ms

Resources Loaded

4.3 sec

Page Rendered

1.1 sec

tcselfservice.thomascook.com screenshot

About Website

Visit tcselfservice.thomascook.com now to see the best up-to-date Tcselfservice Thomas Cook content for United Kingdom and also check out these interesting facts you probably never knew about tcselfservice.thomascook.com

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Visit tcselfservice.thomascook.com

Key Findings

We analyzed Tcselfservice.thomascook.com page load time and found that the first response time was 188 ms and then it took 5.4 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

tcselfservice.thomascook.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value960 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.088

92/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

tcselfservice.thomascook.com

188 ms

www.thomascook.com

17 ms

www.thomascook.com

401 ms

gtm.js

102 ms

wt.js

65 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tcselfservice.thomascook.com, 65% (53 requests) were made to Thomascook.com and 5% (4 requests) were made to Ots.webtrends-optimize.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Thomascook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 309.8 kB (67%)

Content Size

461.0 kB

After Optimization

151.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tcselfservice.thomascook.com main page is 461.0 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. 70% of websites need less resources to load. HTML takes 288.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 256.0 kB

  • Original 288.3 kB
  • After minification 219.9 kB
  • After compression 32.4 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 68.4 kB, which is 24% 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 256.0 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 294 B

  • Original 35.5 kB
  • After minification 35.2 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. Tcselfservice Thomas Cook images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 53.5 kB

  • Original 137.2 kB
  • After minification 136.7 kB
  • After compression 83.7 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 53.5 kB or 39% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (23%)

Requests Now

79

After Optimization

61

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tcselfservice Thomas Cook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tcselfservice.thomascook.com

tcselfservice.thomascook.com

188 ms

www.thomascook.com

www.thomascook.com

17 ms

www.thomascook.com

www.thomascook.com

401 ms

gtm.js

gtm.js

102 ms

wt.js

wt.js

65 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

30 ms

main.1362ade8.css

main.1362ade8.css

349 ms

app.0044b006.js

app.0044b006.js

433 ms

searchBar-en-gb.5deff4ec.js

searchBar-en-gb.5deff4ec.js

423 ms

elastic-apm-opentracing.umd.min.js

elastic-apm-opentracing.umd.min.js

452 ms

tp.min.js

tp.min.js

70 ms

logo-mobile@1x.png

logo-mobile@1x.png

53 ms

TIME_LOCATION_CALENDAR.svg

TIME_LOCATION_CALENDAR.svg

360 ms

USER_INTERFACE_HEART_LOVE_OUTLINE.svg

USER_INTERFACE_HEART_LOVE_OUTLINE.svg

243 ms

call.svg

call.svg

445 ms

email.svg

email.svg

907 ms

nwatol.svg

nwatol.svg

917 ms

nw-abta.svg

nw-abta.svg

912 ms

nw-scecur2.svg

nw-scecur2.svg

915 ms

jcr:content.png

jcr:content.png

1195 ms

common.js

common.js

43 ms

wt_lib.js

wt_lib.js

55 ms

345 ms

299908a70c454977877b2e7dd1ebef77.jpg

299908a70c454977877b2e7dd1ebef77.jpg

101 ms

mul.svg

mul.svg

627 ms

flex.svg

flex.svg

817 ms

Main%20chat2.svg

Main%20chat2.svg

809 ms

price-match2.svg

price-match2.svg

850 ms

lanzarote1127748611.JPG

lanzarote1127748611.JPG

848 ms

Egypt.jpg

Egypt.jpg

814 ms

mexico-hero1.jpg

mexico-hero1.jpg

1019 ms

Malta.jpg

Malta.jpg

1063 ms

cypruscarousel%20(1).jpg

cypruscarousel%20(1).jpg

1003 ms

usa-hero1.jpg

usa-hero1.jpg

1124 ms

punta-cana-portrait.jpg

punta-cana-portrait.jpg

1103 ms

dubai-mobile.jpg

dubai-mobile.jpg

1219 ms

Turkey.jpg

Turkey.jpg

1312 ms

tenerife2.jpg

tenerife2.jpg

1217 ms

tanja-cotoaga-SAZZ_H1RZGE-unsplash%20(1).jpg

tanja-cotoaga-SAZZ_H1RZGE-unsplash%20(1).jpg

1285 ms

casa-cook.svg

casa-cook.svg

1854 ms

cooks-club.svg

cooks-club.svg

1369 ms

club-med.svg

club-med.svg

1471 ms

rome-mobile.jpg

rome-mobile.jpg

1398 ms

amsterdam-mobile.jpg

amsterdam-mobile.jpg

1514 ms

budapest-mobile.jpg

budapest-mobile.jpg

1596 ms

krakow-mobile.jpg

krakow-mobile.jpg

1560 ms

venice-mobile.jpg

venice-mobile.jpg

1608 ms

berlin-mobile.jpg

berlin-mobile.jpg

1660 ms

paris-mobile.jpg

paris-mobile.jpg

1692 ms

prague-mobile.jpg

prague-mobile.jpg

1718 ms

dublin-mobile.jpg

dublin-mobile.jpg

1750 ms

jcr:content.png

jcr:content.png

2717 ms

analytics.js

analytics.js

509 ms

AppStore.svg

AppStore.svg

1686 ms

activityi;src=10305155;type=count20;cat=000un0;ord=5763867748343;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=https%3A%2F%2Fwww.thomascook.com%2F;~oref=https%3A%2F%2Fwww.thomascook.com%2F

activityi;src=10305155;type=count20;cat=000un0;ord=5763867748343;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=https%3A%2F%2Fwww.thomascook.com%2F;~oref=https%3A%2F%2Fwww.thomascook.com%2F

538 ms

activityi;src=10305155;type=count20;cat=001ho0;ord=1;num=2877425679541;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;~oref=https%3A%2F%2Fwww.thomascook.com%2F

activityi;src=10305155;type=count20;cat=001ho0;ord=1;num=2877425679541;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;~oref=https%3A%2F%2Fwww.thomascook.com%2F

542 ms

activityi;src=10387506;type=retarget;cat=homep0;ord=8261712106597;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=Homepage;~oref=https%3A%2F%2Fwww.thomascook.com%2F

activityi;src=10387506;type=retarget;cat=homep0;ord=8261712106597;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=Homepage;~oref=https%3A%2F%2Fwww.thomascook.com%2F

555 ms

google-play-badge.png

google-play-badge.png

1919 ms

jcr:content.png

jcr:content.png

1916 ms

290 ms

325 ms

169 ms

fb.svg

fb.svg

1458 ms

twit.svg

twit.svg

1454 ms

insta.svg

insta.svg

1454 ms

upt.svg

upt.svg

1455 ms

atol%20(2).svg

atol%20(2).svg

1514 ms

collect

collect

49 ms

collect

collect

24 ms

src=10305155;type=count20;cat=000un0;ord=5763867748343;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=https%3A%2F%2Fwww.thomascook.com%2F;~oref=https%3A%2F%2Fwww.thomascook.com%2F

src=10305155;type=count20;cat=000un0;ord=5763867748343;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=https%3A%2F%2Fwww.thomascook.com%2F;~oref=https%3A%2F%2Fwww.thomascook.com%2F

84 ms

src=10305155;type=count20;cat=001ho0;ord=1;num=2877425679541;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;~oref=https%3A%2F%2Fwww.thomascook.com%2F

src=10305155;type=count20;cat=001ho0;ord=1;num=2877425679541;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;~oref=https%3A%2F%2Fwww.thomascook.com%2F

71 ms

src=10387506;type=retarget;cat=homep0;ord=8261712106597;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=Homepage;~oref=https%3A%2F%2Fwww.thomascook.com%2F

src=10387506;type=retarget;cat=homep0;ord=8261712106597;gtm=2wg9s0;gcs=G111;auiddc=1641341130.1664497132;u1=Homepage;~oref=https%3A%2F%2Fwww.thomascook.com%2F

37 ms

collect

collect

73 ms

ga-audiences

ga-audiences

53 ms

abta%20(1).svg

abta%20(1).svg

1375 ms

travelaware.svg

travelaware.svg

1481 ms

hotjar-1957756.js

hotjar-1957756.js

135 ms

fbevents.js

fbevents.js

125 ms

modules.8203b45d0468dcab4b64.js

modules.8203b45d0468dcab4b64.js

124 ms

identity.js

identity.js

24 ms

975334899602391

975334899602391

150 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

214 ms

Accessibility Review

tcselfservice.thomascook.com accessibility score

91

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

Image elements do not have [alt] attributes

Best Practices

tcselfservice.thomascook.com 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

tcselfservice.thomascook.com 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 Tcselfservice.thomascook.com 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 Tcselfservice.thomascook.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

tcselfservice.thomascook.com

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