Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

cestovni-kancelare.invia.cz

Cestovní kanceláře na Invia.cz - online prodej zájezdů od 300 CK

Page Load Speed

4.1 sec in total

First Response

228 ms

Resources Loaded

3.5 sec

Page Rendered

401 ms

cestovni-kancelare.invia.cz screenshot

About Website

Click here to check amazing Cestovni Kancelare Invia content for Czech Republic. Otherwise, check out these important facts you probably never knew about cestovni-kancelare.invia.cz

Cestovní kanceláře - Invia.cz nabízí na jednom místě zájezdy od více než 300 českých a slovenských renomovaných a pojištěných cestovních kanceláří.

Visit cestovni-kancelare.invia.cz

Key Findings

We analyzed Cestovni-kancelare.invia.cz page load time and found that the first response time was 228 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cestovni-kancelare.invia.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value1.534

0/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

cestovni-kancelare.invia.cz

228 ms

cestovni-kancelare.invia.cz

478 ms

745 ms

gtm.js

140 ms

split-10.23.1.min.js

30 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Cestovni-kancelare.invia.cz, 55% (23 requests) were made to Invia.cz and 19% (8 requests) were made to Scontent.inviacdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Invia.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.1 kB (22%)

Content Size

571.7 kB

After Optimization

443.7 kB

In fact, the total size of Cestovni-kancelare.invia.cz main page is 571.7 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. 30% of websites need less resources to load. Javascripts take 340.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 119.6 kB

  • Original 139.8 kB
  • After minification 119.7 kB
  • After compression 20.1 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 20.0 kB, which is 14% 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 119.6 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 33 B

  • Original 340.7 kB
  • After minification 340.7 kB
  • After compression 340.6 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

-9%

Potential reduce by 8.4 kB

  • Original 91.3 kB
  • After minification 91.3 kB
  • After compression 82.9 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. Cestovni-kancelare.invia.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (39%)

Requests Now

36

After Optimization

22

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cestovni Kancelare Invia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cestovni-kancelare.invia.cz accessibility score

98

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.

Best Practices

cestovni-kancelare.invia.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

cestovni-kancelare.invia.cz SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cestovni-kancelare.invia.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Cestovni-kancelare.invia.cz 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

Open Graph description is not detected on the main page of Cestovni Kancelare Invia. 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: