Tools & Wizards About Us
algin.cz screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

algin.cz

Algin.cz - Zprávy, novinky a zajímavosti z české politiky, sportu, kultury. Zajímáme se o to co se děje v České republice, v Praze i kdekoliv jinde!

Page Load Speed

4.1 sec in total

First Response

295 ms

Resources Loaded

3.3 sec

Page Rendered

531 ms

algin.cz screenshot

About Website

Click here to check amazing Algin content. Otherwise, check out these important facts you probably never knew about algin.cz

Zprávy, novinky a zajímavosti z české politiky, sportu, kultury. Zajímáme se o to co se děje v České republice, v Praze i kdekoliv jinde!

Visit algin.cz

Key Findings

We analyzed Algin.cz page load time and found that the first response time was 295 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

algin.cz performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

algin.cz

295 ms

www.algin.cz

963 ms

44pgl.css

107 ms

44pgp.css

312 ms

css

47 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 46% of them (37 requests) were addressed to the original Algin.cz, 10% (8 requests) were made to Pagead2.googlesyndication.com and 10% (8 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Algin.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.6 kB (7%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Algin.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 922.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 66.7 kB

  • Original 82.2 kB
  • After minification 77.6 kB
  • After compression 15.5 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 66.7 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 7.6 kB

  • Original 922.0 kB
  • After minification 914.4 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. Algin images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 14.1 kB

  • Original 546.5 kB
  • After minification 546.5 kB
  • After compression 532.4 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

-24%

Potential reduce by 18.1 kB

  • Original 76.3 kB
  • After minification 76.3 kB
  • After compression 58.2 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. Algin.cz needs all CSS files to be minified and compressed as it can save up to 18.1 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (47%)

Requests Now

74

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Algin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

algin.cz

algin.cz

295 ms

www.algin.cz

www.algin.cz

963 ms

44pgl.css

44pgl.css

107 ms

44pgp.css

44pgp.css

312 ms

css

css

47 ms

44pgl.css

44pgl.css

294 ms

44pgm.js

44pgm.js

404 ms

adsbygoogle.js

adsbygoogle.js

119 ms

adsbygoogle.js

adsbygoogle.js

214 ms

index.js

index.js

306 ms

index.js

index.js

307 ms

jquery-ui.min.js

jquery-ui.min.js

34 ms

jquery.snippet.min.js

jquery.snippet.min.js

432 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

392 ms

jquery.timeago.js

jquery.timeago.js

430 ms

bootstrap.min.js

bootstrap.min.js

432 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

432 ms

theme.min.js

theme.min.js

532 ms

bd4a728463a79f15abedbbad6ddbffe4

bd4a728463a79f15abedbbad6ddbffe4

118 ms

16000_300x250penize1.png

16000_300x250penize1.png

141 ms

aff_i

aff_i

188 ms

10_kamali_300x600_2020.png

10_kamali_300x600_2020.png

186 ms

aff_i

aff_i

141 ms

Icon.png

Icon.png

139 ms

casas-de-hualdo-3-x-mono-1-870x400.jpg

casas-de-hualdo-3-x-mono-1-870x400.jpg

221 ms

2568594-870x400.jpg

2568594-870x400.jpg

324 ms

8714843-870x400.jpg

8714843-870x400.jpg

262 ms

1264078-870x400.jpg

1264078-870x400.jpg

220 ms

casas-de-hualdo-3-x-mono-1-60x60.jpg

casas-de-hualdo-3-x-mono-1-60x60.jpg

221 ms

2568594-60x60.jpg

2568594-60x60.jpg

234 ms

8714843-60x60.jpg

8714843-60x60.jpg

319 ms

1264078-60x60.jpg

1264078-60x60.jpg

320 ms

3784077-60x60.jpg

3784077-60x60.jpg

321 ms

2467833-60x60.jpg

2467833-60x60.jpg

338 ms

CBD-konopi-60x60.png

CBD-konopi-60x60.png

376 ms

6195292-60x60.jpg

6195292-60x60.jpg

427 ms

945881-60x60.jpg

945881-60x60.jpg

427 ms

zahradni-souprava-milano-ii-bila-18-60x60.jpg

zahradni-souprava-milano-ii-bila-18-60x60.jpg

427 ms

4813260-60x60.jpg

4813260-60x60.jpg

428 ms

1035411-60x60.jpg

1035411-60x60.jpg

440 ms

324175-60x60.jpg

324175-60x60.jpg

466 ms

4358272-60x60.jpg

4358272-60x60.jpg

569 ms

5397633-60x60.jpg

5397633-60x60.jpg

570 ms

living-room-3731436_1280.jpg

living-room-3731436_1280.jpg

1083 ms

sdk.js

sdk.js

122 ms

fontello.woff

fontello.woff

626 ms

show_ads_impl.js

show_ads_impl.js

262 ms

sdk.js

sdk.js

10 ms

stripe.png

stripe.png

435 ms

zrt_lookup.html

zrt_lookup.html

29 ms

ads

ads

501 ms

ads

ads

149 ms

ads

ads

830 ms

ads

ads

529 ms

ads

ads

422 ms

ca-pub-0657296197005849

ca-pub-0657296197005849

62 ms

12d95d4c7f28e5d768e0b461a4598061.js

12d95d4c7f28e5d768e0b461a4598061.js

23 ms

load_preloaded_resource.js

load_preloaded_resource.js

52 ms

5cad5a605d634f684c7cf1ecfca85228.js

5cad5a605d634f684c7cf1ecfca85228.js

35 ms

abg_lite.js

abg_lite.js

52 ms

window_focus.js

window_focus.js

59 ms

qs_click_protection.js

qs_click_protection.js

64 ms

ufs_web_display.js

ufs_web_display.js

19 ms

c653839755d9d9a3a773c62a0253f53f.js

c653839755d9d9a3a773c62a0253f53f.js

51 ms

icon.png

icon.png

30 ms

14763004658117789537

14763004658117789537

144 ms

s

s

13 ms

css

css

30 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

17 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

21 ms

activeview

activeview

85 ms

d4Vwwu8iHiCDxZ1xzxUGRbEaLZqCebWmAfX3l2eV90k.js

d4Vwwu8iHiCDxZ1xzxUGRbEaLZqCebWmAfX3l2eV90k.js

10 ms

8b22fe06286f74831a1eab2b68443219.js

8b22fe06286f74831a1eab2b68443219.js

3 ms

cdf01d8369ba0e15ccbc9395c59a9391.js

cdf01d8369ba0e15ccbc9395c59a9391.js

10 ms

14763004658117789537

14763004658117789537

80 ms

sodar

sodar

93 ms

activeview

activeview

76 ms

sodar2.js

sodar2.js

13 ms

runner.html

runner.html

7 ms

aframe

aframe

35 ms

Accessibility Review

algin.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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible 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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

algin.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

algin.cz SEO score

92

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

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 Algin.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 Algin.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

algin.cz

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