Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

vodoinstalateri.cz

www.vodoinstalateri.cz – S námi to teče tam, kde má!

Page Load Speed

2.4 sec in total

First Response

558 ms

Resources Loaded

1.8 sec

Page Rendered

105 ms

vodoinstalateri.cz screenshot

About Website

Visit vodoinstalateri.cz now to see the best up-to-date Vodoinstalateri content and also check out these interesting facts you probably never knew about vodoinstalateri.cz

Provádíme instalatérské a topenářské práce – opravy, rekonstrukce a montáž nových rozvodů teplé a studené vody, kanalizace a topných systémů.

Visit vodoinstalateri.cz

Key Findings

We analyzed Vodoinstalateri.cz page load time and found that the first response time was 558 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

vodoinstalateri.cz performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

www.vodoinstalateri.cz

558 ms

index.css

132 ms

jquery.fancybox-1.3.4.css

211 ms

jquery.js

524 ms

fns.js

215 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original Vodoinstalateri.cz, 18% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (558 ms) belongs to the original domain Vodoinstalateri.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.2 kB (59%)

Content Size

142.7 kB

After Optimization

58.5 kB

In fact, the total size of Vodoinstalateri.cz main page is 142.7 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. Only 10% of websites need less resources to load. Javascripts take 120.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.4 kB

  • Original 10.2 kB
  • After minification 9.8 kB
  • After compression 2.8 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 7.4 kB or 72% of the original size.

JavaScript Optimization

-56%

Potential reduce by 67.2 kB

  • Original 120.7 kB
  • After minification 120.2 kB
  • After compression 53.5 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 67.2 kB or 56% of the original size.

CSS Optimization

-81%

Potential reduce by 9.5 kB

  • Original 11.7 kB
  • After minification 9.6 kB
  • After compression 2.2 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. Vodoinstalateri.cz needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vodoinstalateri. 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

vodoinstalateri.cz accessibility score

82

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

Tables and lists

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

Impact

Issue

High

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

Best Practices

vodoinstalateri.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vodoinstalateri.cz SEO score

67

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vodoinstalateri.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 Vodoinstalateri.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 Vodoinstalateri. 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: