Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

dronte.cz

Dronte - půjčovna lodí Berounka Hron Ohře Otava Sázava Vltava

Page Load Speed

2.7 sec in total

First Response

309 ms

Resources Loaded

2.2 sec

Page Rendered

201 ms

About Website

Click here to check amazing Dronte content for Czech Republic. Otherwise, check out these important facts you probably never knew about dronte.cz

Půjčovna lodí, raftů a kajaků na těchto řekách : Berounka, Hron, Ohře, Otava, Sázava, Lužnice, Vltava, Malý Dunaj

Visit dronte.cz

Key Findings

We analyzed Dronte.cz page load time and found that the first response time was 309 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dronte.cz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value1,140 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.226

55/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

dronte.cz

309 ms

www.dronte.cz

589 ms

css

38 ms

jquery.lightbox.css

213 ms

style.css

217 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 84% of them (27 requests) were addressed to the original Dronte.cz, 6% (2 requests) were made to Fonts.googleapis.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (640 ms) belongs to the original domain Dronte.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 596.0 kB (59%)

Content Size

1.0 MB

After Optimization

415.4 kB

In fact, the total size of Dronte.cz main page is 1.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 643.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 13.1 kB

  • Original 16.7 kB
  • After minification 12.4 kB
  • After compression 3.6 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 4.3 kB, which is 26% 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 13.1 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 8.1 kB

  • Original 262.7 kB
  • After minification 254.6 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. Dronte images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 500.9 kB

  • Original 643.6 kB
  • After minification 469.1 kB
  • After compression 142.8 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 500.9 kB or 78% of the original size.

CSS Optimization

-84%

Potential reduce by 74.0 kB

  • Original 88.5 kB
  • After minification 72.1 kB
  • After compression 14.4 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. Dronte.cz needs all CSS files to be minified and compressed as it can save up to 74.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (47%)

Requests Now

30

After Optimization

16

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dronte. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dronte.cz 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.

Best Practices

dronte.cz best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dronte.cz 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

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dronte.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Dronte.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 data is detected on the main page of Dronte. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: