Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

firma.sluzby.cz

Katalog firem, katalog řemeslníků, služby, firmy, řemeslníci

Page Load Speed

5.5 sec in total

First Response

729 ms

Resources Loaded

4.3 sec

Page Rendered

450 ms

firma.sluzby.cz screenshot

About Website

Welcome to firma.sluzby.cz homepage info - get ready to check Firma Sluzby best content for Czech Republic right away, or after learning these important things about firma.sluzby.cz

Katalog firem, služeb, živnostníků a řemesel – vyberte si ve spolehlivém, aktuálním seznamu firem a služeb, hodnocených zákazníky...

Visit firma.sluzby.cz

Key Findings

We analyzed Firma.sluzby.cz page load time and found that the first response time was 729 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

firma.sluzby.cz performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value3,060 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

firma.sluzby.cz

729 ms

katalog.sluzby.cz

954 ms

css

26 ms

portal-1456302805-116050d9a6fff061b9bbaad9766892b8.css

761 ms

portal-1456302805-f9e42e1a2fedc70c9dbbe4578ef43dc3.js

489 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Firma.sluzby.cz, 19% (11 requests) were made to Global-www.sluzby.cz and 10% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (954 ms) relates to the external source Katalog.sluzby.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 844.8 kB (66%)

Content Size

1.3 MB

After Optimization

426.9 kB

In fact, the total size of Firma.sluzby.cz main page is 1.3 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. 45% of websites need less resources to load. Javascripts take 643.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 88.1 kB

  • Original 102.8 kB
  • After minification 74.6 kB
  • After compression 14.8 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. This page needs HTML code to be minified as it can gain 28.3 kB, which is 27% 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 88.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 644 B

  • Original 129.1 kB
  • After minification 128.4 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. Firma Sluzby images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 409.1 kB

  • Original 643.3 kB
  • After minification 565.1 kB
  • After compression 234.1 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 409.1 kB or 64% of the original size.

CSS Optimization

-88%

Potential reduce by 347.0 kB

  • Original 396.5 kB
  • After minification 334.8 kB
  • After compression 49.5 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. Firma.sluzby.cz needs all CSS files to be minified and compressed as it can save up to 347.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Firma Sluzby. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

firma.sluzby.cz accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

firma.sluzby.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

High

Page has valid source maps

SEO Factors

firma.sluzby.cz SEO score

88

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

Mobile Friendly

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/).

Impact

Issue

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 Firma.sluzby.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 Firma.sluzby.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 Firma Sluzby. 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: