Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

osvetleni-vanocni.cz

Vstupte do zářivého světa vánočního osvětlení | Vánoční osvětlení

Page Load Speed

2.8 sec in total

First Response

600 ms

Resources Loaded

2 sec

Page Rendered

205 ms

osvetleni-vanocni.cz screenshot

About Website

Click here to check amazing Osvetleni Vanocni content. Otherwise, check out these important facts you probably never knew about osvetleni-vanocni.cz

Informační server na vánoční osvětlení a další komponenty vánočních výzdob jako jsou vánoční řetězy, krápníky, závěsy, motivy, kabely a další světelné dekorace.

Visit osvetleni-vanocni.cz

Key Findings

We analyzed Osvetleni-vanocni.cz page load time and found that the first response time was 600 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

osvetleni-vanocni.cz performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

www.osvetleni-vanocni.cz

600 ms

style.css

119 ms

styles.css

238 ms

jquery.js

364 ms

jquery.form.js

241 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 79% of them (23 requests) were addressed to the original Osvetleni-vanocni.cz, 7% (2 requests) were made to Google-analytics.com and 7% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (600 ms) belongs to the original domain Osvetleni-vanocni.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.3 kB (29%)

Content Size

360.6 kB

After Optimization

257.3 kB

In fact, the total size of Osvetleni-vanocni.cz main page is 360.6 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. 30% of websites need less resources to load. Images take 208.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 12.8 kB

  • Original 17.6 kB
  • After minification 17.0 kB
  • After compression 4.8 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 12.8 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 6.0 kB

  • Original 208.6 kB
  • After minification 202.6 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. Osvetleni Vanocni images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 70.2 kB

  • Original 117.5 kB
  • After minification 105.5 kB
  • After compression 47.3 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 70.2 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 14.3 kB

  • Original 16.9 kB
  • After minification 11.6 kB
  • After compression 2.6 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. Osvetleni-vanocni.cz needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osvetleni Vanocni. 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.

Accessibility Review

osvetleni-vanocni.cz accessibility score

92

Accessibility Issues

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

osvetleni-vanocni.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

osvetleni-vanocni.cz SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osvetleni-vanocni.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Osvetleni-vanocni.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 Osvetleni Vanocni. 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: