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devcom.cz screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

devcom.cz

DevCom: Specialized electronics manufacturer | DevCom

Page Load Speed

5.1 sec in total

First Response

663 ms

Resources Loaded

4 sec

Page Rendered

461 ms

devcom.cz screenshot

About Website

Click here to check amazing Dev Com content. Otherwise, check out these important facts you probably never knew about devcom.cz

DevCom Ltd.: Electronic device manufacturer, offering quality solutions in Automotive, Aviation, Industrial Automation and HW/SW development.

Visit devcom.cz

Key Findings

We analyzed Devcom.cz page load time and found that the first response time was 663 ms and then it took 4.5 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

devcom.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.38

27/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

663 ms

dra2w.js

532 ms

dnmsv.css

308 ms

dnmsv.css

307 ms

dnmsv.css

410 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 83% of them (62 requests) were addressed to the original Devcom.cz, 7% (5 requests) were made to Use.fontawesome.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (884 ms) belongs to the original domain Devcom.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.3 kB (11%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Devcom.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. 60% of websites need less resources to load. Images take 941.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 97.6 kB

  • Original 122.9 kB
  • After minification 119.3 kB
  • After compression 25.2 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. 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 97.6 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 27.7 kB

  • Original 941.1 kB
  • After minification 913.4 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. Dev Com images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 42.8 kB

  • Original 408.4 kB
  • After minification 408.4 kB
  • After compression 365.7 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

-2%

Potential reduce by 3.2 kB

  • Original 143.2 kB
  • After minification 143.2 kB
  • After compression 140.0 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. Devcom.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 53 (80%)

Requests Now

66

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

663 ms

dra2w.js

dra2w.js

532 ms

dnmsv.css

dnmsv.css

308 ms

dnmsv.css

dnmsv.css

307 ms

dnmsv.css

dnmsv.css

410 ms

dnmsv.css

dnmsv.css

308 ms

dnmsv.css

dnmsv.css

422 ms

dnmsv.css

dnmsv.css

412 ms

dnmsv.css

dnmsv.css

411 ms

dnmsv.css

dnmsv.css

410 ms

dnmsv.css

dnmsv.css

514 ms

dnmsv.css

dnmsv.css

512 ms

dnmsv.css

dnmsv.css

517 ms

dnmsv.css

dnmsv.css

513 ms

dnmsv.css

dnmsv.css

524 ms

dnmsv.css

dnmsv.css

618 ms

font-awesome.min.css

font-awesome.min.css

34 ms

all.css

all.css

36 ms

v4-shims.css

v4-shims.css

44 ms

dra2w.js

dra2w.js

741 ms

dra2w.js

dra2w.js

616 ms

js

js

66 ms

dnmsv.css

dnmsv.css

527 ms

dnmsv.css

dnmsv.css

541 ms

dnmsv.css

dnmsv.css

536 ms

dnmsv.css

dnmsv.css

625 ms

dra2w.js

dra2w.js

734 ms

dnmtc.css

dnmtc.css

626 ms

dnmtc.css

dnmtc.css

636 ms

dnmsv.css

dnmsv.css

642 ms

jarallax.min.js

jarallax.min.js

726 ms

jarallax-video.min.js

jarallax-video.min.js

729 ms

awb.min.js

awb.min.js

842 ms

coblocks-animation.js

coblocks-animation.js

842 ms

tiny-swiper.js

tiny-swiper.js

842 ms

coblocks-tinyswiper-initializer.js

coblocks-tinyswiper-initializer.js

842 ms

tabby.js

tabby.js

843 ms

dlm-xhr.min.js

dlm-xhr.min.js

843 ms

common.js

common.js

845 ms

core.js

core.js

884 ms

core.maps.js

core.maps.js

882 ms

api.js

api.js

8 ms

core.marker.js

core.marker.js

736 ms

leaflet.js

leaflet.js

840 ms

core.leaflet.js

core.leaflet.js

736 ms

core.leaflet.marker.js

core.leaflet.marker.js

636 ms

frontend.maps.js

frontend.maps.js

677 ms

choices.min.js

choices.min.js

683 ms

jquery.validate.min.js

jquery.validate.min.js

725 ms

jquery.inputmask.min.js

jquery.inputmask.min.js

739 ms

mailcheck.min.js

mailcheck.min.js

648 ms

punycode.min.js

punycode.min.js

676 ms

utils.min.js

utils.min.js

683 ms

wpforms.min.js

wpforms.min.js

725 ms

css

css

35 ms

Devcom_logo_2019_RGB_general-300x134.png

Devcom_logo_2019_RGB_general-300x134.png

421 ms

devcom-general-centered-thin-300x109.png

devcom-general-centered-thin-300x109.png

420 ms

WebSLIDE_CUT_industry.jpg

WebSLIDE_CUT_industry.jpg

585 ms

pexels-erik-mclean-4517073-683x1024.jpg

pexels-erik-mclean-4517073-683x1024.jpg

523 ms

pexels-salih-sayed-2531892-819x1024.jpg

pexels-salih-sayed-2531892-819x1024.jpg

632 ms

pexels-sasha-prasastika-3780477-1024x1024.jpg

pexels-sasha-prasastika-3780477-1024x1024.jpg

778 ms

pexels-ali-arapo%C4%9Flu-4432037-683x1024.jpg

pexels-ali-arapo%C4%9Flu-4432037-683x1024.jpg

584 ms

DevCom-logo-whiteBG-1024x576.jpg

DevCom-logo-whiteBG-1024x576.jpg

485 ms

ISO9001-300x293.png

ISO9001-300x293.png

586 ms

RTCA_logo_final.jpg

RTCA_logo_final.jpg

625 ms

logo-cookieyes.svg

logo-cookieyes.svg

687 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

72 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVcUwaEQXjM.ttf

73 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVcUwaEQXjM.ttf

72 ms

fa-solid-900.woff

fa-solid-900.woff

42 ms

fa-regular-400.woff

fa-regular-400.woff

70 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

628 ms

fa-brands-400.woff

fa-brands-400.woff

71 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

51 ms

dnmsv.css

dnmsv.css

104 ms

Accessibility Review

devcom.cz accessibility score

76

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

devcom.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Missing source maps for large first-party JavaScript

SEO Factors

devcom.cz SEO score

83

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Devcom.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Devcom.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

devcom.cz

Open Graph data is detected on the main page of Dev Com. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: