Access dobrasemena.cz. Semena zeleniny, rostlin i květin a bylinek

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.403

25/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

dobrasemena.cz

761 ms

v_2842_734b0c306ed56303ed0f4e3f58ba25cd_all.css

208 ms

custom.css

291 ms

lightbox.css

291 ms

css

39 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 89% of them (54 requests) were addressed to the original Dobrasemena.cz, 5% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dobrasemena.cz.

Content Size

1.6 MB

After Optimization

1.5 MB

In fact, the total size of Dobrasemena.cz main page is 1.6 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 57.8 kB

Original 71.1 kB
After minification 71.1 kB
After compression 13.3 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 57.8 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 71.5 kB

Original 1.3 MB
After minification 1.2 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. Dobra Semena images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.0 kB

Original 171.8 kB
After minification 171.8 kB
After compression 168.8 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 1.4 kB

Original 62.7 kB
After minification 62.7 kB
After compression 61.3 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. Dobrasemena.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dobra Semena. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

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 Dobrasemena.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 Dobrasemena.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

dobrasemena.cz

Open Graph description is not detected on the main page of Dobra Semena. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Semena zeleniny, rostlin i květin a bylinek | Prodej semen online

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

dobrasemena.cz

v_2842_734b0c306ed56303ed0f4e3f58ba25cd_all.css

custom.css

lightbox.css

css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dobrasemena.cz

v_2842_734b0c306ed56303ed0f4e3f58ba25cd_all.css

custom.css

lightbox.css

css

v_2706_2792f9544c4b84dea81cfce91380ee38.js

owl.carousel.js

lightbox-2.6.min.js

custom.js

js

js

bg.png

close.png

loading.gif

prev.png

next.png

dobrasemena-vert.png

new-logo.png

peter-gajdostin.png

peter-gajdostin-face.jpg

dot-li.png

loading.gif

020c0e58562efede49629d448f8c932719a4b883_banner%20velky_4.jpg

5f2189c48347800ddd0672bc60e895d88ddadd0e_banner%20velky_2.jpg

2ead57816a9613cb157a4b90493699c91cebbedc_banner%20velky_3.jpg

bb5bb32ec59f51abcb73b63c3b18646d9b000e56_banner%20velky_1.jpg

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