Tools & Wizards About Us
dasfm.cz screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

dasfm.cz

DAS Frýdek-Místek | Dopravníky, dopravníkové systémy a linky

Page Load Speed

4.2 sec in total

First Response

527 ms

Resources Loaded

3.2 sec

Page Rendered

474 ms

dasfm.cz screenshot

About Website

Click here to check amazing DAS Fm content. Otherwise, check out these important facts you probably never knew about dasfm.cz

3000 zakázek, 500 klientů, 27 let zkušeností. Naše transportní a manipulační technika šetří až 90 % nákladů. Vyrábíme dopravníky, vyznáme se v kovoobrábění, svařování a elektropracích.

Visit dasfm.cz

Key Findings

We analyzed Dasfm.cz page load time and found that the first response time was 527 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dasfm.cz performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

dasfm.cz

527 ms

www.dasfm.cz

783 ms

www.dasfm.cz

488 ms

bootstrap.min.css

113 ms

style.css

224 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 84% of them (48 requests) were addressed to the original Dasfm.cz, 9% (5 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (878 ms) belongs to the original domain Dasfm.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.2 kB (6%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dasfm.cz main page is 1.6 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 33.3 kB

  • Original 44.2 kB
  • After minification 41.3 kB
  • After compression 10.9 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. 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 33.3 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 51.2 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. DAS Fm images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.3 kB

  • Original 265.5 kB
  • After minification 265.5 kB
  • After compression 263.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 2.4 kB

  • Original 44.7 kB
  • After minification 44.7 kB
  • After compression 42.3 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. Dasfm.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DAS Fm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dasfm.cz

dasfm.cz

527 ms

www.dasfm.cz

www.dasfm.cz

783 ms

www.dasfm.cz

www.dasfm.cz

488 ms

bootstrap.min.css

bootstrap.min.css

113 ms

style.css

style.css

224 ms

font-awesome.min.css

font-awesome.min.css

327 ms

lightbox.min.css

lightbox.min.css

322 ms

hamburgers.min.css

hamburgers.min.css

324 ms

jquery.cookiebar.min.css

jquery.cookiebar.min.css

329 ms

css

css

37 ms

cookieconsent.css

cookieconsent.css

329 ms

cookieconsent.js

cookieconsent.js

332 ms

cookieconsent-init.js

cookieconsent-init.js

430 ms

ie10-viewport-bug-workaround.css

ie10-viewport-bug-workaround.css

431 ms

ie-emulation-modes-warning.js

ie-emulation-modes-warning.js

430 ms

api.js

api.js

45 ms

element.js

element.js

48 ms

jquery.min.js

jquery.min.js

565 ms

bootstrap.min.js

bootstrap.min.js

484 ms

ie10-viewport-bug-workaround.js

ie10-viewport-bug-workaround.js

485 ms

lightbox.min.js

lightbox.min.js

564 ms

jquery.cookiebar.js

jquery.cookiebar.js

563 ms

functions.js

functions.js

563 ms

recaptcha__en.js

recaptcha__en.js

72 ms

close.png

close.png

135 ms

loading.gif

loading.gif

136 ms

prev.png

prev.png

232 ms

next.png

next.png

233 ms

logo.png

logo.png

233 ms

search-icon.png

search-icon.png

230 ms

hero-bg.jpg

hero-bg.jpg

336 ms

service-bg.png

service-bg.png

233 ms

technika-pro-prumysl_1500379911.jpg

technika-pro-prumysl_1500379911.jpg

445 ms

dopravni-systemy_1500379974.jpg

dopravni-systemy_1500379974.jpg

446 ms

ukazka-elektroprace-pro-prumyslove-provozy_1590009253.jpg

ukazka-elektroprace-pro-prumyslove-provozy_1590009253.jpg

446 ms

das_servis-dopravniku_1716875155.jpg

das_servis-dopravniku_1716875155.jpg

446 ms

das-frezovani-kovu-ukazka-prace_1594678136.jpg

das-frezovani-kovu-ukazka-prace_1594678136.jpg

339 ms

ukazka-zamecnickeho-vyrobku_1590009534.jpg

ukazka-zamecnickeho-vyrobku_1590009534.jpg

448 ms

das_transferovy-vuz_3_1717359359.jpg

das_transferovy-vuz_3_1717359359.jpg

659 ms

vyrobni-linka-palet-1_1620936145.jpg

vyrobni-linka-palet-1_1620936145.jpg

766 ms

1_1668378491.jpg

1_1668378491.jpg

660 ms

arrow.svg

arrow.svg

554 ms

about-bg.jpg

about-bg.jpg

872 ms

numbers-bg.jpg

numbers-bg.jpg

661 ms

cta-bg.jpg

cta-bg.jpg

769 ms

delete-icon.png

delete-icon.png

769 ms

logo1.png

logo1.png

768 ms

logo1.jpg

logo1.jpg

770 ms

logo2.jpg

logo2.jpg

873 ms

logo3.jpg

logo3.jpg

875 ms

yt.svg

yt.svg

876 ms

fb.svg

fb.svg

878 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw3aX8.ttf

62 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aX8.ttf

76 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw3aX8.ttf

89 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w3aX8.ttf

118 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w3aX8.ttf

118 ms

Accessibility Review

dasfm.cz accessibility score

66

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

dasfm.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

dasfm.cz SEO score

81

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

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 Dasfm.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 Dasfm.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

dasfm.cz

Open Graph description is not detected on the main page of DAS Fm. 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: