Tools & Wizards About Us
dataclinic.cz screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dataclinic.cz

- DATA CLINIC - Záchrana dat, obnova dat

Page Load Speed

2.3 sec in total

First Response

313 ms

Resources Loaded

1.9 sec

Page Rendered

108 ms

dataclinic.cz screenshot

About Website

Visit dataclinic.cz now to see the best up-to-date DATA CLINIC content and also check out these interesting facts you probably never knew about dataclinic.cz

Data Clinic: Záchrana dat a obnova dat z pevných disků, HDD, RAID, USB flash disků, SSD disků; záchrana souborů, obnova smazaných souborů; záchrana disku, harddisku; data rescue, file recovery, file r...

Visit dataclinic.cz

Key Findings

We analyzed Dataclinic.cz page load time and found that the first response time was 313 ms and then it took 2 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

dataclinic.cz performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

dataclinic.cz

313 ms

www.dataclinic.cz

230 ms

www.dataclinic.cz

484 ms

style.css

111 ms

style_search.css

216 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Dataclinic.cz, 4% (1 request) were made to Google-analytics.com and 4% (1 request) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (484 ms) belongs to the original domain Dataclinic.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.9 kB (15%)

Content Size

105.8 kB

After Optimization

90.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dataclinic.cz main page is 105.8 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. Images take 77.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.9 kB

  • Original 13.3 kB
  • After minification 12.9 kB
  • After compression 3.3 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 9.9 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 3.2 kB

  • Original 77.9 kB
  • After minification 74.7 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. DATA CLINIC images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 1.6 kB

  • Original 9.0 kB
  • After minification 9.0 kB
  • After compression 7.5 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 1.6 kB or 17% of the original size.

CSS Optimization

-21%

Potential reduce by 1.2 kB

  • Original 5.6 kB
  • After minification 5.6 kB
  • After compression 4.4 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. Dataclinic.cz needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (48%)

Requests Now

25

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DATA CLINIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dataclinic.cz

dataclinic.cz

313 ms

www.dataclinic.cz

www.dataclinic.cz

230 ms

www.dataclinic.cz

www.dataclinic.cz

484 ms

style.css

style.css

111 ms

style_search.css

style_search.css

216 ms

common.js

common.js

307 ms

popup_menu.js

popup_menu.js

312 ms

dhtml.js

dhtml.js

322 ms

urchin.js

urchin.js

15 ms

content_bg_41.gif

content_bg_41.gif

106 ms

head_bg_02.jpg

head_bg_02.jpg

104 ms

logo.gif

logo.gif

107 ms

top_menu_bg_05.gif

top_menu_bg_05.gif

107 ms

top_menu_divider_05.gif

top_menu_divider_05.gif

106 ms

0.jpg

0.jpg

206 ms

left_box_top_border.gif

left_box_top_border.gif

209 ms

spacer.gif

spacer.gif

208 ms

li_16.gif

li_16.gif

213 ms

left_box_bg_20.gif

left_box_bg_20.gif

214 ms

left_img_24.jpg

left_img_24.jpg

309 ms

search_42.gif

search_42.gif

310 ms

search_44.gif

search_44.gif

312 ms

main_box_1_bluecross_bg_03.jpg

main_box_1_bluecross_bg_03.jpg

311 ms

main_box_1_mapka_bg_03.jpg

main_box_1_mapka_bg_03.jpg

423 ms

news_box_line_corner.gif

news_box_line_corner.gif

319 ms

news_box_title_bg_33.gif

news_box_title_bg_33.gif

411 ms

__utm.gif

__utm.gif

21 ms

style_print.css

style_print.css

105 ms

Accessibility Review

dataclinic.cz accessibility score

78

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.

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

Best Practices

dataclinic.cz best practices score

75

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

Serves images with low resolution

SEO Factors

dataclinic.cz SEO score

77

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 Dataclinic.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 Dataclinic.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

dataclinic.cz

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