Tools & Wizards About Us
ajslovicka.cz screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ajslovicka.cz

Anglick? slov??ka - tr?nink slovn? z?soby

Page Load Speed

3.2 sec in total

First Response

446 ms

Resources Loaded

2.5 sec

Page Rendered

296 ms

ajslovicka.cz screenshot

About Website

Visit ajslovicka.cz now to see the best up-to-date Aj Slov Ic Ka content for Czech Republic and also check out these interesting facts you probably never knew about ajslovicka.cz

Online v?ukov? syst?m pro tr?nov?n?, roz?i?ov?n? a udr?ov?n? anglick? slovn? z?soby. Slov??ka jsou z?klad!

Visit ajslovicka.cz

Key Findings

We analyzed Ajslovicka.cz page load time and found that the first response time was 446 ms and then it took 2.8 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

ajslovicka.cz performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

ajslovicka.cz

446 ms

www.ajslovicka.cz

647 ms

style_beach.css

194 ms

autoscale.css

286 ms

jquery-1.7.1.min.js

477 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Ajslovicka.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (671 ms) belongs to the original domain Ajslovicka.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.4 kB (24%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ajslovicka.cz main page is 1.3 MB. 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. Images take 976.3 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 10.3 kB

  • Original 14.9 kB
  • After minification 14.9 kB
  • After compression 4.6 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 10.3 kB or 69% of the original size.

Image Optimization

-5%

Potential reduce by 47.8 kB

  • Original 976.3 kB
  • After minification 928.5 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. Aj Slov Ic Ka images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 209.7 kB

  • Original 295.1 kB
  • After minification 295.1 kB
  • After compression 85.4 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 209.7 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 51.5 kB

  • Original 60.9 kB
  • After minification 50.2 kB
  • After compression 9.4 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. Ajslovicka.cz needs all CSS files to be minified and compressed as it can save up to 51.5 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aj Slov Ic Ka. According to our analytics all requests are already optimized.

Network Requests Diagram

ajslovicka.cz

ajslovicka.cz

446 ms

www.ajslovicka.cz

www.ajslovicka.cz

647 ms

style_beach.css

style_beach.css

194 ms

autoscale.css

autoscale.css

286 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

477 ms

jqueryui-1.8.23.min.js

jqueryui-1.8.23.min.js

664 ms

ajs_logo.png

ajs_logo.png

390 ms

detect_audio_technology.js

detect_audio_technology.js

202 ms

style_friends.css

style_friends.css

299 ms

background_line.png

background_line.png

100 ms

background_beach.jpg

background_beach.jpg

671 ms

background_footer.png

background_footer.png

96 ms

ajs_lets_rock.png

ajs_lets_rock.png

100 ms

news.png

news.png

99 ms

dict_11.png

dict_11.png

206 ms

article.png

article.png

207 ms

bgintrotext.png

bgintrotext.png

197 ms

first.jpg

first.jpg

197 ms

seemore.png

seemore.png

97 ms

bg_gradient_gray.png

bg_gradient_gray.png

100 ms

Accessibility Review

ajslovicka.cz accessibility score

61

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

ajslovicka.cz best practices score

75

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

ajslovicka.cz SEO score

69

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

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ajslovicka.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 Ajslovicka.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

ajslovicka.cz

Open Graph description is not detected on the main page of Aj Slov Ic Ka. 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: