Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dia-potraviny.cz

Dia - Bio - Racio - Bezlepkov? - Bezlakt?zov? potraviny - Zdrav? v??iva - Eko drog?rie

Page Load Speed

37.8 sec in total

First Response

5.7 sec

Resources Loaded

27.4 sec

Page Rendered

4.7 sec

dia-potraviny.cz screenshot

About Website

Visit dia-potraviny.cz now to see the best up-to-date Dia Potraviny content for Czech Republic and also check out these interesting facts you probably never knew about dia-potraviny.cz

Zdrav? v??iva a dietn? potraviny. Bezlepkov? j?dlo, potraviny pro diabetiky, bezlakt?zov?, bio potraviny, racion?ln? v??iva, prodej zdrav? v??ivy,e shop potravin

Visit dia-potraviny.cz

Key Findings

We analyzed Dia-potraviny.cz page load time and found that the first response time was 5.7 sec and then it took 32.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

dia-potraviny.cz performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value3,630 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

dia-potraviny.cz

5732 ms

bio.css

3933 ms

ga.js

90 ms

bg.gif

404 ms

logo.gif

406 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 79% of them (22 requests) were addressed to the original Dia-potraviny.cz, 7% (2 requests) were made to Google-analytics.com and 7% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (18.1 sec) belongs to the original domain Dia-potraviny.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.3 kB (67%)

Content Size

85.6 kB

After Optimization

28.2 kB

In fact, the total size of Dia-potraviny.cz main page is 85.6 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. HTML takes 67.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 57.0 kB

  • Original 67.4 kB
  • After minification 40.4 kB
  • After compression 10.4 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 27.0 kB, which is 40% 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 57.0 kB or 85% of the original size.

Image Optimization

-31%

Potential reduce by 320 B

  • Original 1.0 kB
  • After minification 697 B

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, Dia Potraviny needs image optimization as it can save up to 320 B or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 18 (69%)

Requests Now

26

After Optimization

8

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dia Potraviny. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

dia-potraviny.cz accessibility score

94

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.

Best Practices

dia-potraviny.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

dia-potraviny.cz SEO score

77

Search Engine Optimization Advices

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 Dia-potraviny.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 Dia-potraviny.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

Open Graph description is not detected on the main page of Dia Potraviny. 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: