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slovniky.lingea.cz screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

slovniky.lingea.cz

Lingea slovníky | Lingea

Page Load Speed

2.7 sec in total

First Response

595 ms

Resources Loaded

2 sec

Page Rendered

133 ms

slovniky.lingea.cz screenshot

About Website

Visit slovniky.lingea.cz now to see the best up-to-date Slovniky Lingea content for Czech Republic and also check out these interesting facts you probably never knew about slovniky.lingea.cz

Kvalitní on-line slovníky, překlady, konverzace, gramatiky, témata a jazykové hry zdarma.

Visit slovniky.lingea.cz

Key Findings

We analyzed Slovniky.lingea.cz page load time and found that the first response time was 595 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

slovniky.lingea.cz performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

Network Requests Diagram

slovniky.lingea.cz

595 ms

style.css

227 ms

text.css

315 ms

jquery-ui.css

233 ms

jquery-1.9.0.js

544 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Slovniky.lingea.cz, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Slovniky.lingea.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 178.0 kB (53%)

Content Size

335.9 kB

After Optimization

157.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slovniky.lingea.cz main page is 335.9 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 194.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 17.9 kB

  • Original 21.5 kB
  • After minification 15.3 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 6.3 kB, which is 29% 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 17.9 kB or 83% of the original size.

Image Optimization

-18%

Potential reduce by 17.1 kB

  • Original 94.6 kB
  • After minification 77.5 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. Obviously, Slovniky Lingea needs image optimization as it can save up to 17.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 124.8 kB

  • Original 194.9 kB
  • After minification 194.3 kB
  • After compression 70.1 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 124.8 kB or 64% of the original size.

CSS Optimization

-73%

Potential reduce by 18.1 kB

  • Original 24.8 kB
  • After minification 22.9 kB
  • After compression 6.7 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. Slovniky.lingea.cz needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (67%)

Requests Now

30

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slovniky Lingea. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

slovniky.lingea.cz

slovniky.lingea.cz

595 ms

style.css

style.css

227 ms

text.css

text.css

315 ms

jquery-ui.css

jquery-ui.css

233 ms

jquery-1.9.0.js

jquery-1.9.0.js

544 ms

jquery-migrate-1.0.0.js

jquery-migrate-1.0.0.js

317 ms

jquery-ui.min.js

jquery-ui.min.js

486 ms

cookies.js

cookies.js

347 ms

main.js

main.js

412 ms

settings.js

settings.js

428 ms

reset.css

reset.css

235 ms

skeleton.css

skeleton.css

280 ms

clara.css

clara.css

313 ms

intro.css

intro.css

319 ms

analytics.js

analytics.js

55 ms

mapa.png

mapa.png

276 ms

slovniky.png

slovniky.png

231 ms

lingea.png

lingea.png

143 ms

find.png

find.png

135 ms

keyboard.png

keyboard.png

150 ms

down.png

down.png

152 ms

menu.png

menu.png

367 ms

settings.png

settings.png

276 ms

info.png

info.png

281 ms

suma.png

suma.png

319 ms

home.png

home.png

355 ms

arrow-off.png

arrow-off.png

420 ms

audio.png

audio.png

422 ms

gramatika.png

gramatika.png

427 ms

konverzace.png

konverzace.png

464 ms

ClaraSansLight.otf

ClaraSansLight.otf

553 ms

ClaraSansRegular.otf

ClaraSansRegular.otf

686 ms

ClaraSansMedium.otf

ClaraSansMedium.otf

634 ms

ClaraSerifRegular.otf

ClaraSerifRegular.otf

789 ms

ClaraSerifLight.otf

ClaraSerifLight.otf

863 ms

ClaraSerifBlack.otf

ClaraSerifBlack.otf

1002 ms

ClaraSerifMedium.otf

ClaraSerifMedium.otf

776 ms

collect

collect

12 ms

Accessibility Review

slovniky.lingea.cz accessibility score

80

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

slovniky.lingea.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

slovniky.lingea.cz SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Slovniky.lingea.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 Slovniky.lingea.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

slovniky.lingea.cz

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