Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

001shop.cz

Vitamíny, kosmetika, doplňky stravy | prodejna v centru Prahy - 001shop

Page Load Speed

4.6 sec in total

First Response

616 ms

Resources Loaded

3.7 sec

Page Rendered

369 ms

About Website

Visit 001shop.cz now to see the best up-to-date 001 Shop content for Czech Republic and also check out these interesting facts you probably never knew about 001shop.cz

Vše pro Vaše zdraví - nejširší nabídka přírodních vitamínů a kosmetiky. Možnost nákupu i v naši prodejně 20m od Václavského náměstí.

Visit 001shop.cz

Key Findings

We analyzed 001shop.cz page load time and found that the first response time was 616 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

001shop.cz performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.836

4/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

001shop.cz

616 ms

www.001shop.cz

1019 ms

font.js

239 ms

screen.css

367 ms

jquery.js

613 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 91% of them (58 requests) were addressed to the original 001shop.cz, 3% (2 requests) were made to C.imedia.cz and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 001shop.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.0 kB (31%)

Content Size

1.3 MB

After Optimization

896.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 001shop.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. 40% of websites need less resources to load. Images take 840.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 116.8 kB

  • Original 132.9 kB
  • After minification 132.3 kB
  • After compression 16.0 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 116.8 kB or 88% of the original size.

Image Optimization

-6%

Potential reduce by 54.4 kB

  • Original 840.6 kB
  • After minification 786.2 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. 001 Shop images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 183.2 kB

  • Original 266.2 kB
  • After minification 232.1 kB
  • After compression 83.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 183.2 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 49.6 kB

  • Original 60.8 kB
  • After minification 49.6 kB
  • After compression 11.2 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. 001shop.cz needs all CSS files to be minified and compressed as it can save up to 49.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (27%)

Requests Now

62

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 001 Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

001shop.cz accessibility score

76

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

001shop.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

001shop.cz SEO score

98

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 001shop.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 001shop.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 001 Shop. 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: