Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

spolehlive-servery.cz

Spolehlivé servery - Váš virtuální nebo dedikovaný server

Page Load Speed

3.9 sec in total

First Response

458 ms

Resources Loaded

3.1 sec

Page Rendered

281 ms

spolehlive-servery.cz screenshot

About Website

Click here to check amazing Spolehlive Servery content for Czech Republic. Otherwise, check out these important facts you probably never knew about spolehlive-servery.cz

Spolehlivé servery poskytují virtuální a dedikované servery pro náročné aplikace, správu domén a odborné poradenství v oblasti serverů a konektivity.

Visit spolehlive-servery.cz

Key Findings

We analyzed Spolehlive-servery.cz page load time and found that the first response time was 458 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

spolehlive-servery.cz performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.831

4/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

spolehlive-servery.cz

458 ms

www.spolehlive-servery.cz

612 ms

main__1411570026.css

349 ms

jquery.lightbox.latest.css

232 ms

jquery-1.7.min.js

586 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 86% of them (71 requests) were addressed to the original Spolehlive-servery.cz, 5% (4 requests) were made to Dev.visualwebsiteoptimizer.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (913 ms) belongs to the original domain Spolehlive-servery.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.3 kB (30%)

Content Size

667.2 kB

After Optimization

468.9 kB

In fact, the total size of Spolehlive-servery.cz main page is 667.2 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. 35% of websites need less resources to load. Images take 410.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 25.4 kB

  • Original 34.4 kB
  • After minification 30.6 kB
  • After compression 8.9 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.4 kB or 74% of the original size.

Image Optimization

-10%

Potential reduce by 41.3 kB

  • Original 410.7 kB
  • After minification 369.4 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. Spolehlive Servery images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 75.7 kB

  • Original 154.1 kB
  • After minification 148.7 kB
  • After compression 78.5 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 75.7 kB or 49% of the original size.

CSS Optimization

-82%

Potential reduce by 55.9 kB

  • Original 68.0 kB
  • After minification 57.7 kB
  • After compression 12.1 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. Spolehlive-servery.cz needs all CSS files to be minified and compressed as it can save up to 55.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (13%)

Requests Now

78

After Optimization

68

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spolehlive Servery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

spolehlive-servery.cz accessibility score

92

Accessibility Issues

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.

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

spolehlive-servery.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

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

spolehlive-servery.cz SEO score

69

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

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 Spolehlive-servery.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 Spolehlive-servery.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 Spolehlive Servery. 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: