Tools & Wizards About Us

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

navrcholu.cz

NAVRCHOLU.cz: monitoring návštěvnosti

Page Load Speed

21.9 sec in total

First Response

499 ms

Resources Loaded

21.2 sec

Page Rendered

145 ms

About Website

Welcome to navrcholu.cz homepage info - get ready to check NAVRCHOLU best content for Czech Republic right away, or after learning these important things about navrcholu.cz

Žebříček a katalog nejnavštěvovanějších českých stránek, měření a vyhodnocování návštěvnosti stránek.

Visit navrcholu.cz

Key Findings

We analyzed Navrcholu.cz page load time and found that the first response time was 499 ms and then it took 21.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

navrcholu.cz performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

navrcholu.cz

499 ms

navrcholu.cz

455 ms

js

532 ms

ascode.js

116 ms

analytics.js

426 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 52% of them (23 requests) were addressed to the original Navrcholu.cz, 23% (10 requests) were made to I.iinfo.cz and 5% (2 requests) were made to S1.navrcholu.cz. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Io.programmatic.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.0 kB (28%)

Content Size

234.2 kB

After Optimization

168.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Navrcholu.cz main page is 234.2 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 184.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 32.2 kB

  • Original 40.9 kB
  • After minification 39.9 kB
  • After compression 8.6 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. 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 32.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.1 kB
  • After minification 1.1 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. NAVRCHOLU images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 32.9 kB

  • Original 184.4 kB
  • After minification 184.4 kB
  • After compression 151.5 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 32.9 kB or 18% of the original size.

CSS Optimization

-11%

Potential reduce by 864 B

  • Original 7.9 kB
  • After minification 7.9 kB
  • After compression 7.0 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. Navrcholu.cz needs all CSS files to be minified and compressed as it can save up to 864 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NAVRCHOLU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

navrcholu.cz accessibility score

69

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

navrcholu.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

SEO Factors

navrcholu.cz SEO score

69

Search Engine Optimization Advices

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 Navrcholu.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 Navrcholu.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 NAVRCHOLU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: