Tools & Wizards About Us
konference.cz screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

konference.cz

Konference, semináře, odborné a firemní akce | Konference

Page Load Speed

6.5 sec in total

First Response

432 ms

Resources Loaded

4.2 sec

Page Rendered

1.9 sec

konference.cz screenshot

About Website

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

Většiny online akcí se můžete zúčastnit nejen v době jejich konání, ale také je zhlédnout ze záznamu. Zapněte si filtr na zobrazení online akcí a podí

Visit konference.cz

Key Findings

We analyzed Konference.cz page load time and found that the first response time was 432 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

konference.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,040 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.387

27/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

konference.cz

432 ms

www.konference.cz

1233 ms

cookie-consent.js

35 ms

cz-default.css

336 ms

cz-cookieconsent.js

326 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 91% of them (72 requests) were addressed to the original Konference.cz, 4% (3 requests) were made to Googletagmanager.com and 1% (1 request) were made to Termsfeed.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Konference.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.8 kB (5%)

Content Size

2.3 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Konference.cz main page is 2.3 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. 60% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 110.8 kB

  • Original 123.6 kB
  • After minification 108.0 kB
  • After compression 12.8 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 15.6 kB, which is 13% 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 110.8 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 4.8 kB

  • Original 1.8 MB
  • After minification 1.8 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. Konference images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 319.0 kB
  • After minification 319.0 kB
  • After compression 319.0 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

-0%

Potential reduce by 111 B

  • Original 72.9 kB
  • After minification 72.9 kB
  • After compression 72.8 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. Konference.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (12%)

Requests Now

74

After Optimization

65

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Konference. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

konference.cz

konference.cz

432 ms

www.konference.cz

www.konference.cz

1233 ms

cookie-consent.js

cookie-consent.js

35 ms

cz-default.css

cz-default.css

336 ms

cz-cookieconsent.js

cz-cookieconsent.js

326 ms

cz-translations.js

cz-translations.js

226 ms

cz-footerFiles.js

cz-footerFiles.js

766 ms

loader.js

loader.js

561 ms

gtm.js

gtm.js

84 ms

logo_img.png

logo_img.png

130 ms

d-1000x500.jpg

d-1000x500.jpg

303 ms

d-cybernity-1200x600-1-logo.jpg

d-cybernity-1200x600-1-logo.jpg

302 ms

d-pragvue-s-logy-crop(1).jpg

d-pragvue-s-logy-crop(1).jpg

305 ms

d-age5kixdjvisrbilojtyozytzq-orez-1200x600.jpg

d-age5kixdjvisrbilojtyozytzq-orez-1200x600.jpg

626 ms

d-gettyimages-1371563640-scaled-orez-1200x600.jpg

d-gettyimages-1371563640-scaled-orez-1200x600.jpg

526 ms

d-hero-ai-project-graphic-1-scaled-1-1200x600.jpg

d-hero-ai-project-graphic-1-scaled-1-1200x600.jpg

424 ms

d-cloud-computing-1-1080x540.jpg

d-cloud-computing-1-1080x540.jpg

419 ms

d-kube-on-aws-1200x600(1).jpg

d-kube-on-aws-1200x600(1).jpg

424 ms

d-cover-cyber-security-1600x800.jpg

d-cover-cyber-security-1600x800.jpg

632 ms

d-9ee28b0322e558ecfcb92c1f2d7c2d34-1000x500px.jpg

d-9ee28b0322e558ecfcb92c1f2d7c2d34-1000x500px.jpg

541 ms

d-kubernetes-1600x800.jpg

d-kubernetes-1600x800.jpg

537 ms

d-nis2-1200x600-2.jpg

d-nis2-1200x600-2.jpg

618 ms

d-real-ai-1200x600.jpg

d-real-ai-1200x600.jpg

738 ms

d-o-banner-aba-konference-2022-1200x600.jpg

d-o-banner-aba-konference-2022-1200x600.jpg

651 ms

d-blog-big-deal-about-big-data-and-k8s-1-30dec20-1200x600.jpg

d-blog-big-deal-about-big-data-and-k8s-1-30dec20-1200x600.jpg

659 ms

d-ca23-1000x500.jpg

d-ca23-1000x500.jpg

731 ms

d-dmc23-crop.jpg

d-dmc23-crop.jpg

746 ms

d-cloud-web-orez-1200x600.jpg

d-cloud-web-orez-1200x600.jpg

750 ms

d-itsw-web-orez-1200x600.jpg

d-itsw-web-orez-1200x600.jpg

872 ms

d-kont-web-orez-1200x600.jpg

d-kont-web-orez-1200x600.jpg

778 ms

d-ezgif-com-gif-maker-1200x600px.jpg

d-ezgif-com-gif-maker-1200x600px.jpg

843 ms

d-adobestock-1000x500.jpg

d-adobestock-1000x500.jpg

868 ms

d-web-itp22-1200x600.jpg

d-web-itp22-1200x600.jpg

868 ms

d-web-1200x600.jpg

d-web-1200x600.jpg

869 ms

d-web-1000x500.jpg

d-web-1000x500.jpg

899 ms

d-web4-1200x600px.jpg

d-web4-1200x600px.jpg

962 ms

d-web-titulka-fin3.jpg

d-web-titulka-fin3.jpg

972 ms

d-web-titulka-bdd1.jpg

d-web-titulka-bdd1.jpg

976 ms

d-dsc9499-1200x600.jpg

d-dsc9499-1200x600.jpg

970 ms

d-cyber-attacks-image.jpg

d-cyber-attacks-image.jpg

989 ms

d-depo3-header.jpg

d-depo3-header.jpg

1025 ms

d-content-slider-mobility.jpg

d-content-slider-mobility.jpg

1080 ms

d-depo2-header.jpg

d-depo2-header.jpg

1088 ms

d-web-titulka-piffl2.jpg

d-web-titulka-piffl2.jpg

1073 ms

js

js

62 ms

destination

destination

143 ms

rc.js

rc.js

723 ms

fbevents.js

fbevents.js

17 ms

Ubuntu-Regular.svg

Ubuntu-Regular.svg

1201 ms

Ubuntu-Regular.woff

Ubuntu-Regular.woff

1014 ms

Ubuntu-Bold.svg

Ubuntu-Bold.svg

1089 ms

Ubuntu-Bold.woff

Ubuntu-Bold.woff

901 ms

icomoon.svg

icomoon.svg

794 ms

icomoon.woff

icomoon.woff

804 ms

d-web-titulka-bankid.jpg

d-web-titulka-bankid.jpg

962 ms

d-suserancher-cover-2ku1.jpg

d-suserancher-cover-2ku1.jpg

863 ms

d-web-titulka-kubos.jpg

d-web-titulka-kubos.jpg

863 ms

d-dsc9479-titulka-orez.jpg

d-dsc9479-titulka-orez.jpg

928 ms

d-dvs21-titulka-mix-1000.jpg

d-dvs21-titulka-mix-1000.jpg

925 ms

d-web-titulka-piffl1.jpg

d-web-titulka-piffl1.jpg

847 ms

d-dsc8188-1100x550px.jpg

d-dsc8188-1100x550px.jpg

927 ms

d-img-20191024-124342.jpg

d-img-20191024-124342.jpg

835 ms

d-suse-logo-hor-l-green-pos-srgb-1000x500px.jpg

d-suse-logo-hor-l-green-pos-srgb-1000x500px.jpg

853 ms

d-dsc9440-2ku1.jpg

d-dsc9440-2ku1.jpg

905 ms

d-endian-logo-black-rz-border2-1000x500px.jpg

d-endian-logo-black-rz-border2-1000x500px.jpg

831 ms

d-dsc6001-1200x600px.jpg

d-dsc6001-1200x600px.jpg

835 ms

d-dsc8231-titulkavs-orez.jpg

d-dsc8231-titulkavs-orez.jpg

832 ms

d-logo-bd-frame-1000x500px.jpg

d-logo-bd-frame-1000x500px.jpg

863 ms

d-dsc9479-titulka-orez(1).jpg

d-dsc9479-titulka-orez(1).jpg

897 ms

d-dsc6930-2ku1.jpg

d-dsc6930-2ku1.jpg

831 ms

d-dsc2581-2ku1.jpg

d-dsc2581-2ku1.jpg

814 ms

d-dsc9475-2-ku-1(4).jpg

d-dsc9475-2-ku-1(4).jpg

826 ms

d-dsc9440-2ku1(2).jpg

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822 ms

d-dsc9475-2-ku-1(3).jpg

d-dsc9475-2-ku-1(3).jpg

854 ms

d-dsc9440-2ku1(1).jpg

d-dsc9440-2ku1(1).jpg

888 ms

d-dsc9475-2-ku-1(2).jpg

d-dsc9475-2-ku-1(2).jpg

835 ms

d-dsc9475-2-ku-1(1).jpg

d-dsc9475-2-ku-1(1).jpg

834 ms

d-main-image-2ku1-800px.jpg

d-main-image-2ku1-800px.jpg

838 ms

d-dsc9475-2-ku-1.jpg

d-dsc9475-2-ku-1.jpg

839 ms

Accessibility Review

konference.cz accessibility score

74

Accessibility Issues

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

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.

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 IDs are not unique

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

konference.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

Missing source maps for large first-party JavaScript

SEO Factors

konference.cz SEO score

100

Search Engine Optimization Advices

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 Konference.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 Konference.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

konference.cz

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