Tools & Wizards About Us
dumbylinek.cz screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dumbylinek.cz

Dům bylinek | První internetový eshop s lidskou tváří je tady pro vás!

Page Load Speed

3.6 sec in total

First Response

395 ms

Resources Loaded

2.7 sec

Page Rendered

484 ms

dumbylinek.cz screenshot

About Website

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

Mnoho zajímavých přírodních doplňků stravy pro vaše zdraví, výborná kosmetika, čaje z celého světa, BIO, zdravé potraviny, zdravé mlsání čokolády a bonbóny.

Visit dumbylinek.cz

Key Findings

We analyzed Dumbylinek.cz page load time and found that the first response time was 395 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dumbylinek.cz performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value3,690 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.599

11/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

dumbylinek.cz

395 ms

dumbylinek.cz

543 ms

css

31 ms

theme-b73191369.css

386 ms

js

50 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 67% of them (34 requests) were addressed to the original Dumbylinek.cz, 18% (9 requests) were made to Fonts.gstatic.com and 8% (4 requests) were made to Lhinsights.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dumbylinek.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.1 kB (2%)

Content Size

8.4 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dumbylinek.cz main page is 8.4 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. 60% of websites need less resources to load. Images take 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 123.8 kB

  • Original 152.4 kB
  • After minification 147.8 kB
  • After compression 28.5 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 123.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 29.1 kB

  • Original 7.7 MB
  • After minification 7.6 MB

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. Dum Bylinek images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 398.8 kB
  • After minification 398.8 kB
  • After compression 398.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 2.1 kB

  • Original 128.6 kB
  • After minification 128.6 kB
  • After compression 126.5 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. Dumbylinek.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (13%)

Requests Now

39

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dum Bylinek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dumbylinek.cz

dumbylinek.cz

395 ms

dumbylinek.cz

dumbylinek.cz

543 ms

css

css

31 ms

theme-b73191369.css

theme-b73191369.css

386 ms

js

js

50 ms

js

js

96 ms

all_theme_custom_1_1.css

all_theme_custom_1_1.css

198 ms

bottom-ca8aaf368.js

bottom-ca8aaf368.js

951 ms

agent.js

agent.js

833 ms

gtm.js

gtm.js

126 ms

logo-1705015134.jpg

logo-1705015134.jpg

103 ms

tv_loading.gif

tv_loading.gif

104 ms

snizena-cena-sb-banner-left.jpg

snizena-cena-sb-banner-left.jpg

426 ms

5acab1d42d106447dfc9_nizsi-cena.jpg

5acab1d42d106447dfc9_nizsi-cena.jpg

884 ms

76c4f9259da4c9a79a63_lepek-slider.jpg

76c4f9259da4c9a79a63_lepek-slider.jpg

1149 ms

d1270aa278bad2bb1538_moringa-slider-2.jpg

d1270aa278bad2bb1538_moringa-slider-2.jpg

1428 ms

9c4eae4d2fa0b858cdf4_leber-aktiv-1274-slider.jpg

9c4eae4d2fa0b858cdf4_leber-aktiv-1274-slider.jpg

1058 ms

36c27b61783473a2ec46_kofein-plus-slider.jpg

36c27b61783473a2ec46_kofein-plus-slider.jpg

685 ms

a5dfc2040991b62df99e_ubiquinol-plus2.jpg

a5dfc2040991b62df99e_ubiquinol-plus2.jpg

776 ms

8a5df1c2ebf6c66cdd1e_slider-zinek.jpg

8a5df1c2ebf6c66cdd1e_slider-zinek.jpg

782 ms

79040b67648be31682ee_tierlieb-slider-2.jpg

79040b67648be31682ee_tierlieb-slider-2.jpg

876 ms

02e75d2197ab589740ab_aniforte-slider.jpg

02e75d2197ab589740ab_aniforte-slider.jpg

969 ms

demo_img_1.png

demo_img_1.png

971 ms

demo_img_2.png

demo_img_2.png

980 ms

demo_img_3.png

demo_img_3.png

1065 ms

demo_img_4.png

demo_img_4.png

1066 ms

kategorie-koenzym-q-10.jpg

kategorie-koenzym-q-10.jpg

1072 ms

kategorie-stavy-vital.jpg

kategorie-stavy-vital.jpg

1152 ms

kategorie-moringa_20210208122833.jpg

kategorie-moringa_20210208122833.jpg

1162 ms

beauty-men-2.jpg

beauty-men-2.jpg

1160 ms

beauty-woman-2.jpg

beauty-woman-2.jpg

1167 ms

41-thumb.jpg

41-thumb.jpg

1241 ms

40-thumb.jpg

40-thumb.jpg

1246 ms

37-thumb.jpg

37-thumb.jpg

1255 ms

36-thumb.jpg

36-thumb.jpg

1256 ms

pxiEyp8kv8JHgFVrJJnedw.ttf

pxiEyp8kv8JHgFVrJJnedw.ttf

192 ms

pxiByp8kv8JHgFVrLGT9Z1JlEA.ttf

pxiByp8kv8JHgFVrLGT9Z1JlEA.ttf

294 ms

pxiByp8kv8JHgFVrLDz8Z1JlEA.ttf

pxiByp8kv8JHgFVrLDz8Z1JlEA.ttf

321 ms

pxiByp8kv8JHgFVrLFj_Z1JlEA.ttf

pxiByp8kv8JHgFVrLFj_Z1JlEA.ttf

325 ms

pxiGyp8kv8JHgFVrLPTufntF.ttf

pxiGyp8kv8JHgFVrLPTufntF.ttf

326 ms

pxiByp8kv8JHgFVrLEj6Z1JlEA.ttf

pxiByp8kv8JHgFVrLEj6Z1JlEA.ttf

325 ms

pxiByp8kv8JHgFVrLCz7Z1JlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1JlEA.ttf

326 ms

pxiByp8kv8JHgFVrLDD4Z1JlEA.ttf

pxiByp8kv8JHgFVrLDD4Z1JlEA.ttf

324 ms

pxiByp8kv8JHgFVrLBT5Z1JlEA.ttf

pxiByp8kv8JHgFVrLBT5Z1JlEA.ttf

324 ms

012cf6a10129e2275d79d6adac7f3b02.woff

012cf6a10129e2275d79d6adac7f3b02.woff

1161 ms

cart.png

cart.png

1045 ms

sprite.png

sprite.png

1050 ms

product.gif

product.gif

1058 ms

popup

popup

161 ms

collect

collect

254 ms

agent-plugin-popup.js

agent-plugin-popup.js

313 ms

Accessibility Review

dumbylinek.cz accessibility score

86

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

dumbylinek.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dumbylinek.cz SEO score

91

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

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 Dumbylinek.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 Dumbylinek.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

dumbylinek.cz

Open Graph description is not detected on the main page of Dum Bylinek. 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: