Access sandria.cz. Osvětlení, svítidla eshop, prodej svítidel, osvětlovací technika

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

sandria.cz

2144 ms

gtm.js

58 ms

css

38 ms

d038b1276c136885b34ab959d767c8f5_0.css

266 ms

562b5b4cc9195edbef97f0a761da8c08_0.js

752 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 76% of them (52 requests) were addressed to the original Sandria.cz, 6% (4 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sandria.cz.

Content Size

889.9 kB

After Optimization

709.5 kB

In fact, the total size of Sandria.cz main page is 889.9 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. 50% of websites need less resources to load. Images take 364.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 155.2 kB

Original 175.7 kB
After minification 172.7 kB
After compression 20.5 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 155.2 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 24.3 kB

Original 364.9 kB
After minification 340.6 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. SANDRIA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 233 B

Original 277.0 kB
After minification 277.0 kB
After compression 276.7 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

-1%

Potential reduce by 602 B

Original 72.3 kB
After minification 72.3 kB
After compression 71.7 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. Sandria.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SANDRIA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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 Sandria.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 Sandria.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

sandria.cz

Open Graph description is not detected on the main page of SANDRIA. 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

Osvětlení, svítidla eshop, prodej svítidel, osvětlovací technika | SANDRIA - prodej svítidel

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

sandria.cz

gtm.js

css

d038b1276c136885b34ab959d767c8f5_0.css

562b5b4cc9195edbef97f0a761da8c08_0.js

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

sandria.cz

gtm.js

css

d038b1276c136885b34ab959d767c8f5_0.css

562b5b4cc9195edbef97f0a761da8c08_0.js

css

562b5b4cc9195edbef97f0a761da8c08_1.js

js

rc.js

jquery.ui.core.min.js

tm-stick-up.js

scrollUp.min.js

scriptsAll2.js

wow.js

scripts.js

js

landing

destination

font-awesome.css

fbevents.js

hotjar-514949.js

recorder.js

sandria-logo.png

menu-img.png

moderni_lustr.jpg

DOPORUCUJEME_431x192_230124.jpg

trhak_lampa.jpg

energeticky_stitek_F.png

sandys2519_220x220.jpg

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energeticky_stitek_G.png

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