Report Summary

  • 0

    Performance

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

slovnik.cz

slovnik.cz - Multilingual Dictionary

Page Load Speed

4.9 sec in total

First Response

1.2 sec

Resources Loaded

3.5 sec

Page Rendered

105 ms

slovnik.cz screenshot

About Website

Visit slovnik.cz now to see the best up-to-date Slovnik content for Slovakia and also check out these interesting facts you probably never knew about slovnik.cz

slovnik.cz - Multilingual Dictionary

Visit slovnik.cz

Key Findings

We analyzed Slovnik.cz page load time and found that the first response time was 1.2 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

slovnik.cz performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

slovnik.cz

1240 ms

reset.css

119 ms

mld.css

234 ms

ad_bb.html

243 ms

input.html

244 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 25% of them (13 requests) were addressed to the original Slovnik.cz, 13% (7 requests) were made to Pagead2.googlesyndication.com and 9% (5 requests) were made to Go.cz.bbelements.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Slovnik.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.7 kB (33%)

Content Size

279.3 kB

After Optimization

186.6 kB

In fact, the total size of Slovnik.cz main page is 279.3 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 159.7 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 1.1 kB

  • Original 1.7 kB
  • After minification 1.7 kB
  • After compression 622 B

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 1.1 kB or 64% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 112.4 kB
  • After minification 111.0 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. Slovnik images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 86.2 kB

  • Original 159.7 kB
  • After minification 155.2 kB
  • After compression 73.5 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 86.2 kB or 54% of the original size.

CSS Optimization

-75%

Potential reduce by 4.1 kB

  • Original 5.4 kB
  • After minification 3.9 kB
  • After compression 1.4 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. Slovnik.cz needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slovnik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

slovnik.cz accessibility score

75

Accessibility Issues

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

Best Practices

slovnik.cz best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

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

slovnik.cz SEO score

75

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 Slovnik.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 Slovnik.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 Slovnik. 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: