Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

vvdesign.cz

VV DESIGN ORTOPEDIK | Česká výroba | Ortopedické vložky | Hallux Valgus | Obuv

Page Load Speed

1.8 sec in total

First Response

333 ms

Resources Loaded

1.4 sec

Page Rendered

142 ms

About Website

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

Ruční česká výroba ortopedických vložek - patní ostruha, plochonoží, dětské, valgozita a pantoflí Hallux Valgus. Zdravotní obuv. Ortopedické vložky na míru - diagnostika.

Visit vvdesign.cz

Key Findings

We analyzed Vvdesign.cz page load time and found that the first response time was 333 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

vvdesign.cz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value3,710 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.094

91/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

vvdesign.cz

333 ms

stylesheet.css

207 ms

thickbox.css

209 ms

category.png

218 ms

information.png

218 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 54% of them (21 requests) were addressed to the original Vvdesign.cz, 15% (6 requests) were made to Shop.vvdesign.cz and 15% (6 requests) were made to Loxiastudio.com. The less responsive or slowest element that took the longest time to load (831 ms) belongs to the original domain Vvdesign.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.3 kB (70%)

Content Size

427.4 kB

After Optimization

128.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vvdesign.cz main page is 427.4 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. 25% of websites need less resources to load. Images take 363.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 6.5 kB

  • Original 8.8 kB
  • After minification 8.4 kB
  • After compression 2.3 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 6.5 kB or 74% of the original size.

Image Optimization

-73%

Potential reduce by 264.0 kB

  • Original 363.1 kB
  • After minification 99.0 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. Obviously, VV DESIGN needs image optimization as it can save up to 264.0 kB or 73% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-40%

Potential reduce by 15.7 kB

  • Original 39.5 kB
  • After minification 35.2 kB
  • After compression 23.8 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 15.7 kB or 40% of the original size.

CSS Optimization

-82%

Potential reduce by 13.1 kB

  • Original 16.0 kB
  • After minification 11.9 kB
  • After compression 3.0 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. Vvdesign.cz needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (26%)

Requests Now

34

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VV DESIGN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vvdesign.cz accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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

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

vvdesign.cz best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vvdesign.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 Vvdesign.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 Vvdesign.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 VV DESIGN. 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: