Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

mf-servis.cz

MF - Servis pro domy a byty - Litomyšl

Page Load Speed

2.1 sec in total

First Response

281 ms

Resources Loaded

1.7 sec

Page Rendered

157 ms

mf-servis.cz screenshot

About Website

Welcome to mf-servis.cz homepage info - get ready to check MF Servis best content right away, or after learning these important things about mf-servis.cz

komíny,krby,kamna,kominické práce,frézování komínů,rekonstrukce, kontroly komínů, Miloš Filipi

Visit mf-servis.cz

Key Findings

We analyzed Mf-servis.cz page load time and found that the first response time was 281 ms and then it took 1.8 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

mf-servis.cz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

mf-servis.cz

281 ms

www.mf-servis.cz

301 ms

156 ms

jquery.min.js

396 ms

jquery-migrate-1.2.1.min.js

265 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 84% of them (26 requests) were addressed to the original Mf-servis.cz, 10% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (526 ms) belongs to the original domain Mf-servis.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.2 kB (38%)

Content Size

245.3 kB

After Optimization

152.2 kB

In fact, the total size of Mf-servis.cz main page is 245.3 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. 25% of websites need less resources to load. Javascripts take 121.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 7.2 kB

  • Original 9.3 kB
  • After minification 6.0 kB
  • After compression 2.2 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 3.3 kB, which is 35% 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 7.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 363 B

  • Original 103.9 kB
  • After minification 103.5 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. MF Servis images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 77.7 kB

  • Original 121.8 kB
  • After minification 121.2 kB
  • After compression 44.1 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 77.7 kB or 64% of the original size.

CSS Optimization

-77%

Potential reduce by 8.0 kB

  • Original 10.3 kB
  • After minification 6.9 kB
  • After compression 2.4 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. Mf-servis.cz needs all CSS files to be minified and compressed as it can save up to 8.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MF Servis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mf-servis.cz accessibility score

75

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

mf-servis.cz best practices score

75

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

Page has valid source maps

SEO Factors

mf-servis.cz SEO score

85

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 Mf-servis.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 Mf-servis.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 MF Servis. 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: