Tools & Wizards About Us
slovnik-synonym.cz screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

slovnik-synonym.cz

ABZ slovník českých synonym - on-line hledání

Page Load Speed

2.1 sec in total

First Response

336 ms

Resources Loaded

1.6 sec

Page Rendered

159 ms

slovnik-synonym.cz screenshot

About Website

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

Visit slovnik-synonym.cz

Key Findings

We analyzed Slovnik-synonym.cz page load time and found that the first response time was 336 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

slovnik-synonym.cz performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value6.3 s

62/100

10%

Network Requests Diagram

slovnik-synonym.cz

336 ms

www.slovnik-synonym.cz

573 ms

scs2.css

444 ms

scs.js

334 ms

code

421 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 69% of them (9 requests) were addressed to the original Slovnik-synonym.cz, 15% (2 requests) were made to C1.navrcholu.cz and 8% (1 request) were made to Knihy.abz.cz. The less responsive or slowest element that took the longest time to load (573 ms) belongs to the original domain Slovnik-synonym.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.6 kB (69%)

Content Size

41.7 kB

After Optimization

13.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slovnik-synonym.cz main page is 41.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 17.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 12.4 kB

  • Original 15.5 kB
  • After minification 12.8 kB
  • After compression 3.1 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 2.7 kB, which is 17% 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 12.4 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 322 B

  • Original 6.9 kB
  • After minification 6.6 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. Slovnik Synonym images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 806 B

  • Original 1.6 kB
  • After minification 1.5 kB
  • After compression 794 B

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 806 B or 50% of the original size.

CSS Optimization

-85%

Potential reduce by 15.1 kB

  • Original 17.7 kB
  • After minification 13.4 kB
  • After compression 2.7 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. Slovnik-synonym.cz needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slovnik Synonym. According to our analytics all requests are already optimized.

Network Requests Diagram

slovnik-synonym.cz

slovnik-synonym.cz

336 ms

www.slovnik-synonym.cz

www.slovnik-synonym.cz

573 ms

scs2.css

scs2.css

444 ms

scs.js

scs.js

334 ms

code

code

421 ms

img_301297_bigthumb.jpg

img_301297_bigthumb.jpg

443 ms

logo.gif

logo.gif

133 ms

trn.gif

trn.gif

133 ms

scs_micb.gif

scs_micb.gif

216 ms

ikona_ss_short.gif

ikona_ss_short.gif

217 ms

count.asp

count.asp

209 ms

top_banner.jpg

top_banner.jpg

112 ms

hit

hit

245 ms

Accessibility Review

slovnik-synonym.cz accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

slovnik-synonym.cz best practices score

69

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

slovnik-synonym.cz SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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-synonym.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-synonym.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

slovnik-synonym.cz

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