Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

kolumbie.dctravel.cz

Dovolená Kolumbie - Zájezdy do Kolumbie - Last Minute Kolumbie - Kolumbie

Page Load Speed

6 sec in total

First Response

1.6 sec

Resources Loaded

4.1 sec

Page Rendered

266 ms

kolumbie.dctravel.cz screenshot

About Website

Visit kolumbie.dctravel.cz now to see the best up-to-date Kolumbie Dctravel content and also check out these interesting facts you probably never knew about kolumbie.dctravel.cz

Zájezdy Kolumbie - Dovolená Kolumbie - Last Minute Kolumbie

Visit kolumbie.dctravel.cz

Key Findings

We analyzed Kolumbie.dctravel.cz page load time and found that the first response time was 1.6 sec and then it took 4.4 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

kolumbie.dctravel.cz performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

kolumbie.dctravel.cz

1633 ms

analytics.js

32 ms

system.css

624 ms

layout.css

622 ms

jscript.php

637 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 19% of them (6 requests) were addressed to the original Kolumbie.dctravel.cz, 59% (19 requests) were made to Affil.travelportal.cz and 16% (5 requests) were made to Images.travelportal.cz. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Kolumbie.dctravel.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 298.2 kB (59%)

Content Size

501.8 kB

After Optimization

203.7 kB

In fact, the total size of Kolumbie.dctravel.cz main page is 501.8 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. 20% of websites need less resources to load. Javascripts take 346.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 16.1 kB

  • Original 21.9 kB
  • After minification 21.4 kB
  • After compression 5.8 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 16.1 kB or 74% of the original size.

Image Optimization

-6%

Potential reduce by 4.9 kB

  • Original 85.7 kB
  • After minification 80.9 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. Kolumbie Dctravel images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 238.5 kB

  • Original 346.3 kB
  • After minification 345.4 kB
  • After compression 107.8 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 238.5 kB or 69% of the original size.

CSS Optimization

-81%

Potential reduce by 38.7 kB

  • Original 47.9 kB
  • After minification 39.7 kB
  • After compression 9.2 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. Kolumbie.dctravel.cz needs all CSS files to be minified and compressed as it can save up to 38.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (27%)

Requests Now

26

After Optimization

19

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kolumbie Dctravel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kolumbie.dctravel.cz accessibility score

71

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

kolumbie.dctravel.cz best practices score

75

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

SEO Factors

kolumbie.dctravel.cz SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kolumbie.dctravel.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Kolumbie.dctravel.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 Kolumbie Dctravel. 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: