Tools & Wizards About Us
cosmos-holidays.co.uk screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

cosmos-holidays.co.uk

2023 & 2024 Guided Tours - Cosmos® Affordable Tours

Page Load Speed

4.1 sec in total

First Response

1.1 sec

Resources Loaded

2.6 sec

Page Rendered

431 ms

cosmos-holidays.co.uk screenshot

About Website

Visit cosmos-holidays.co.uk now to see the best up-to-date Cosmos Holidays content and also check out these interesting facts you probably never knew about cosmos-holidays.co.uk

For more than 50 years, Cosmos has offered affordable guided tours to the world's most captivating places. Cosmos knows what's important once you reach your destination.

Visit cosmos-holidays.co.uk

Key Findings

We analyzed Cosmos-holidays.co.uk page load time and found that the first response time was 1.1 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cosmos-holidays.co.uk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value6,640 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

www.cosmos.co.uk

1136 ms

gtm.js

98 ms

otSDKStub.js

59 ms

styles.bde23f901c0e4312e895.css

187 ms

27fee501bab24afe9b4c946898fb1e1e

276 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cosmos-holidays.co.uk, 26% (8 requests) were made to Cookie-cdn.cookiepro.com and 13% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cosmos.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 520.6 kB (61%)

Content Size

857.0 kB

After Optimization

336.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cosmos-holidays.co.uk main page is 857.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 607.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 519.4 kB

  • Original 607.1 kB
  • After minification 605.9 kB
  • After compression 87.7 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 519.4 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 122.7 kB
  • After minification 121.7 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. Cosmos Holidays images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 61 B

  • Original 123.5 kB
  • After minification 123.5 kB
  • After compression 123.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 3.6 kB
  • After minification 3.6 kB
  • After compression 3.6 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. Cosmos-holidays.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (50%)

Requests Now

30

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosmos Holidays. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.cosmos.co.uk

www.cosmos.co.uk

1136 ms

gtm.js

gtm.js

98 ms

otSDKStub.js

otSDKStub.js

59 ms

styles.bde23f901c0e4312e895.css

styles.bde23f901c0e4312e895.css

187 ms

27fee501bab24afe9b4c946898fb1e1e

27fee501bab24afe9b4c946898fb1e1e

276 ms

a7af39de1e.js

a7af39de1e.js

67 ms

runtime-es2015.5c56d313f2e90be44f39.js

runtime-es2015.5c56d313f2e90be44f39.js

172 ms

runtime-es5.5c56d313f2e90be44f39.js

runtime-es5.5c56d313f2e90be44f39.js

170 ms

polyfills-es5.d29af7523c2707f56214.js

polyfills-es5.d29af7523c2707f56214.js

217 ms

polyfills-es2015.f7eb440a5a94a6be82f8.js

polyfills-es2015.f7eb440a5a94a6be82f8.js

170 ms

main-es2015.270cc4f1bc60aafb1b90.js

main-es2015.270cc4f1bc60aafb1b90.js

271 ms

main-es5.270cc4f1bc60aafb1b90.js

main-es5.270cc4f1bc60aafb1b90.js

433 ms

a9435f0527db46289f1a02c3cf68a424

a9435f0527db46289f1a02c3cf68a424

432 ms

eac01125-a1da-4e4b-9a95-5b2154684903.json

eac01125-a1da-4e4b-9a95-5b2154684903.json

27 ms

location

location

98 ms

landing

landing

398 ms

js

js

134 ms

destination

destination

271 ms

matomo.js

matomo.js

483 ms

otBannerSdk.js

otBannerSdk.js

94 ms

siteanalyze_6080554.js

siteanalyze_6080554.js

504 ms

destination

destination

433 ms

en.json

en.json

261 ms

otFlat.json

otFlat.json

103 ms

otPcTab.json

otPcTab.json

145 ms

otCommonStyles.css

otCommonStyles.css

122 ms

src=9147384;type=pagev0;cat=apv0;ord=9949650480133;npa=1;u1=https%3A%2F%2Fwww.cosmos.co.uk%2F;pscdl=denied;frm=0;gtm=45fe4510z86899664za201;gcs=G100;gcd=13q3q3q3q5;dma_cps=-;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cosmos.co.uk%2F

src=9147384;type=pagev0;cat=apv0;ord=9949650480133;npa=1;u1=https%3A%2F%2Fwww.cosmos.co.uk%2F;pscdl=denied;frm=0;gtm=45fe4510z86899664za201;gcs=G100;gcd=13q3q3q3q5;dma_cps=-;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cosmos.co.uk%2F

176 ms

matomo.php

matomo.php

433 ms

cosmos-logo-crossbrand.jpg

cosmos-logo-crossbrand.jpg

22 ms

image.aspx

image.aspx

16 ms

src=9147384;type=pagev0;cat=apv0;ord=2633754559397;npa=1;u1=https%3A%2F%2Fwww.cosmos.co.uk%2F;gdid=dYWJhMj;pscdl=denied;frm=0;gtm=45fe4510z86899664za201;gcs=G100;gcd=13q3q3q3q5;dma_cps=-;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cosmos.co.uk%2F

src=9147384;type=pagev0;cat=apv0;ord=2633754559397;npa=1;u1=https%3A%2F%2Fwww.cosmos.co.uk%2F;gdid=dYWJhMj;pscdl=denied;frm=0;gtm=45fe4510z86899664za201;gcs=G100;gcd=13q3q3q3q5;dma_cps=-;dma=0;epver=2;~oref=https%3A%2F%2Fwww.cosmos.co.uk%2F

64 ms

Accessibility Review

cosmos-holidays.co.uk accessibility score

95

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

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

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

cosmos-holidays.co.uk best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cosmos-holidays.co.uk SEO score

85

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cosmos-holidays.co.uk 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 Cosmos-holidays.co.uk 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

cosmos-holidays.co.uk

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