Tools & Wizards About Us
demagog.cz screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

demagog.cz

Ověřujeme pro Vás — Demagog.cz

Page Load Speed

4.4 sec in total

First Response

132 ms

Resources Loaded

3 sec

Page Rendered

1.3 sec

demagog.cz screenshot

About Website

Click here to check amazing Demagog content for United Kingdom. Otherwise, check out these important facts you probably never knew about demagog.cz

Demagog.cz je unikátní český projekt, který se zaměřuje na ověřování výroků politiků, dezinformací a dalšího nepravdivého obsahu na sociálních sítích. Usilujeme o kultivaci veřejné diskuse a klademe d...

Visit demagog.cz

Key Findings

We analyzed Demagog.cz page load time and found that the first response time was 132 ms and then it took 4.3 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

demagog.cz performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.172

69/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

demagog.cz

132 ms

demagog.cz

1117 ms

application-9ff2331cba637b792513895f80479ee31a6af69907c136660ffe8f93e3cce733.css

500 ms

email-decode.min.js

14 ms

application-df2c3822ed8655d1ab62.js

306 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 32% of them (18 requests) were addressed to the original Demagog.cz, 59% (33 requests) were made to Dem-prod-s3.ams3.digitaloceanspaces.com and 5% (3 requests) were made to Darujme.cz. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Dem-prod-s3.ams3.digitaloceanspaces.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.3 kB (7%)

Content Size

3.4 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Demagog.cz main page is 3.4 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. 50% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 51.2 kB

  • Original 67.2 kB
  • After minification 57.6 kB
  • After compression 16.0 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 9.6 kB, which is 14% 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 51.2 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 190.0 kB

  • Original 3.2 MB
  • After minification 3.0 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. Demagog images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 48 B

  • Original 56.2 kB
  • After minification 56.2 kB
  • After compression 56.1 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

-0%

Potential reduce by 0 B

  • Original 51.4 kB
  • After minification 51.4 kB
  • After compression 51.4 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. Demagog.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (8%)

Requests Now

53

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demagog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

demagog.cz

demagog.cz

132 ms

demagog.cz

demagog.cz

1117 ms

application-9ff2331cba637b792513895f80479ee31a6af69907c136660ffe8f93e3cce733.css

application-9ff2331cba637b792513895f80479ee31a6af69907c136660ffe8f93e3cce733.css

500 ms

email-decode.min.js

email-decode.min.js

14 ms

application-df2c3822ed8655d1ab62.js

application-df2c3822ed8655d1ab62.js

306 ms

widget.js

widget.js

338 ms

gtm.js

gtm.js

121 ms

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k2zelq5fq74phk945r5z31w4c1l6

474 ms

36C9D629-AED1-C760-8B88-9FD45DD9156F.png

36C9D629-AED1-C760-8B88-9FD45DD9156F.png

180 ms

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logo_white-1c8a95e7d1c0be4cf15ac08e0d1cff2214bde52c93e33a10149fa6852a21f4c4.svg

298 ms

homepage-intro-video-thumbnail-4cd13792c8759e971512f3f6a03b5dfa216399eba4c8faa85282fe5c907f4751.png

homepage-intro-video-thumbnail-4cd13792c8759e971512f3f6a03b5dfa216399eba4c8faa85282fe5c907f4751.png

746 ms

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workshop_default-2f1afa7a4ca614412633200f87a5c2fe46905bb4b0b24e6182f72c9b346051e7.jpg

740 ms

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Digital_Badge_Fact-Checkers_FOR_DARK_BACKGROUND-80e6f9348ba6124d8791e985d4ba52649e6bee4483e9331d0f91aada26bee170.png

71 ms

nfnz_light-876b1ceb2764d5b0d26f0f103e500cabee81265eee4487ba9e0ff77aca9f45ba.svg

nfnz_light-876b1ceb2764d5b0d26f0f103e500cabee81265eee4487ba9e0ff77aca9f45ba.svg

458 ms

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369 ms

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eu-122d33b9a5446c972b9352d8f2f5be9c33cc6ebec1c405315526afbc74efb18b.svg

73 ms

little_greta_white-dab3e6a582c5833e3430edb13f0481f501faa9f0ed631103005398a0ae767af5.svg

little_greta_white-dab3e6a582c5833e3430edb13f0481f501faa9f0ed631103005398a0ae767af5.svg

84 ms

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111 ms

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elvai-c07897c3d14b52fe9c7a1153e09262e55f0a5362b9c0bb4d0270bd12a5c7a806.svg

130 ms

cedmo-eba5241808ad2c3274b0f9387dbd56db13a01d65ff33d054da97ce4be2de6415.jpg

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140 ms

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150 ms

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widget.js

widget.js

483 ms

widget

widget

209 ms

widget

widget

387 ms

Accessibility Review

demagog.cz accessibility score

72

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.

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

demagog.cz best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

demagog.cz SEO score

82

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 Demagog.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 Demagog.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

demagog.cz

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