Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

datapro.cz

Webdesign, e-shop, internetové obchody - DataPro.cz

Page Load Speed

3.5 sec in total

First Response

669 ms

Resources Loaded

2.6 sec

Page Rendered

157 ms

About Website

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

Tvorba poutavých webových stránek (webdesign), internetové obchody/aplikace, audit/měření návštěvnosti, internet marketing. Chcete využít potenciál Internetu naplno? Zkuste to s námi.

Visit datapro.cz

Key Findings

We analyzed Datapro.cz page load time and found that the first response time was 669 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

datapro.cz performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

datapro.cz

669 ms

www.datapro.cz

755 ms

styles.css

103 ms

jquery-1.6.1.min.js

315 ms

jquery-ui-1.8.13.custom.min.js

385 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original Datapro.cz, 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (755 ms) belongs to the original domain Datapro.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.7 kB (3%)

Content Size

714.4 kB

After Optimization

691.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datapro.cz main page is 714.4 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. 20% of websites need less resources to load. Images take 620.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.3 kB

  • Original 16.9 kB
  • After minification 15.4 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 12.3 kB or 73% of the original size.

Image Optimization

-1%

Potential reduce by 8.4 kB

  • Original 620.7 kB
  • After minification 612.3 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 Pro images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.5 kB

  • Original 71.9 kB
  • After minification 71.9 kB
  • After compression 70.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 492 B

  • Original 4.8 kB
  • After minification 4.8 kB
  • After compression 4.3 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. Datapro.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (63%)

Requests Now

40

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Pro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

datapro.cz accessibility score

68

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

datapro.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

SEO Factors

datapro.cz SEO score

67

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

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 Datapro.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 Datapro.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 Data Pro. 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: