Tools & Wizards About Us

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

slansko.cz

WWW.SLANSKO.CZ - Server o m?st? Slan? a jeho okol?

Page Load Speed

7.9 sec in total

First Response

3.5 sec

Resources Loaded

4.1 sec

Page Rendered

281 ms

About Website

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

Doména je parkována u gigaserver.cz

Visit slansko.cz

Key Findings

We analyzed Slansko.cz page load time and found that the first response time was 3.5 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

slansko.cz performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value410 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

slansko.cz

3543 ms

main.css

188 ms

external.js

187 ms

AC_RunActiveContent.js

189 ms

jquery.js

372 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Slansko.cz, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Slansko.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.9 kB (53%)

Content Size

200.5 kB

After Optimization

93.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slansko.cz main page is 200.5 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. 15% of websites need less resources to load. Javascripts take 101.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 42.2 kB

  • Original 55.0 kB
  • After minification 54.8 kB
  • After compression 12.8 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 42.2 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 819 B

  • Original 32.8 kB
  • After minification 31.9 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. SLANSKO images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 54.6 kB

  • Original 101.9 kB
  • After minification 98.6 kB
  • After compression 47.3 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 54.6 kB or 54% of the original size.

CSS Optimization

-85%

Potential reduce by 9.3 kB

  • Original 10.9 kB
  • After minification 7.0 kB
  • After compression 1.6 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. Slansko.cz needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (19%)

Requests Now

21

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLANSKO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

slansko.cz accessibility score

66

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

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

slansko.cz best practices score

67

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

SEO Factors

slansko.cz SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slansko.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 Slansko.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of SLANSKO. 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: