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marlin.eu screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

marlin.eu

Kurzy, poradenství, školení, dotace EU | Marlin s.r.o.

Page Load Speed

8.7 sec in total

First Response

521 ms

Resources Loaded

7.9 sec

Page Rendered

264 ms

marlin.eu screenshot

About Website

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

Kurzy, poradenství, školení, dotace EU

Visit marlin.eu

Key Findings

We analyzed Marlin.eu page load time and found that the first response time was 521 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

marlin.eu performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value270 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.354

31/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

marlin.eu

521 ms

marlin.eu

1728 ms

css

137 ms

jquery.min.js

302 ms

css

155 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 73% of them (65 requests) were addressed to the original Marlin.eu, 17% (15 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Marlin.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 180.5 kB (6%)

Content Size

3.2 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Marlin.eu main page is 3.2 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. 70% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 37.7 kB

  • Original 47.8 kB
  • After minification 42.8 kB
  • After compression 10.1 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 37.7 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 100.0 kB

  • Original 2.8 MB
  • After minification 2.7 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. Marlin images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 37.4 kB

  • Original 332.9 kB
  • After minification 332.8 kB
  • After compression 295.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 37.4 kB or 11% of the original size.

CSS Optimization

-8%

Potential reduce by 5.5 kB

  • Original 67.5 kB
  • After minification 67.5 kB
  • After compression 62.0 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. Marlin.eu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (56%)

Requests Now

68

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

marlin.eu

marlin.eu

521 ms

marlin.eu

marlin.eu

1728 ms

css

css

137 ms

jquery.min.js

jquery.min.js

302 ms

css

css

155 ms

bootstrap.min.css

bootstrap.min.css

386 ms

default.css

default.css

391 ms

responsive.css

responsive.css

286 ms

jquery.fancybox.css

jquery.fancybox.css

285 ms

jquery-ui.css

jquery-ui.css

300 ms

font-awesome.css

font-awesome.css

570 ms

jquery.suggest.css

jquery.suggest.css

580 ms

font-awesome.min.css

font-awesome.min.css

35 ms

style.css

style.css

583 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

34 ms

bootstrap.min.js

bootstrap.min.js

585 ms

jquery.sticky.js

jquery.sticky.js

667 ms

jquery.min.js

jquery.min.js

776 ms

jquery.json.suggest.js

jquery.json.suggest.js

853 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

863 ms

jquery.nette.js

jquery.nette.js

863 ms

jquery.ajaxform.js

jquery.ajaxform.js

866 ms

jquery.qtip.js

jquery.qtip.js

951 ms

scripts.js

scripts.js

1073 ms

jquery.ui.js

jquery.ui.js

1335 ms

jquery.flow.js

jquery.flow.js

1146 ms

responsiveslides.js

responsiveslides.js

1146 ms

modernizr.js

modernizr.js

1148 ms

jquery.elevateZoom-3.0.8.min.js

jquery.elevateZoom-3.0.8.min.js

1234 ms

jquerymatchheight.js

jquerymatchheight.js

1372 ms

owl.carousel.min.js

owl.carousel.min.js

1430 ms

netteForms.js

netteForms.js

1431 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

1431 ms

jquery.bxslider.css

jquery.bxslider.css

1517 ms

skin_allsizes_white.css

skin_allsizes_white.css

1617 ms

FWDSimple3DCoverflow.js

FWDSimple3DCoverflow.js

1953 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

1712 ms

inview.js

inview.js

1712 ms

counter.js

counter.js

1725 ms

init.counter.js

init.counter.js

1812 ms

js

js

65 ms

marlin.eu

marlin.eu

2330 ms

retargeting.js

retargeting.js

586 ms

marlin.eu

marlin.eu

1414 ms

css

css

23 ms

css2

css2

19 ms

facebook_logo.png

facebook_logo.png

202 ms

instagram.png

instagram.png

377 ms

logo.png

logo.png

390 ms

104.jpg

104.jpg

1142 ms

103.jpg

103.jpg

1788 ms

32.jpg

32.jpg

1137 ms

71.jpg

71.jpg

1143 ms

106.jpg

106.jpg

1033 ms

100.jpg

100.jpg

1705 ms

socialni-vzdelavani-img.jpg

socialni-vzdelavani-img.jpg

1527 ms

firemni-vzdelavani-img.jpg

firemni-vzdelavani-img.jpg

1607 ms

technicke-skoleni-img.jpg

technicke-skoleni-img.jpg

1611 ms

rekvalifikace-img.jpg

rekvalifikace-img.jpg

1613 ms

eshop-img.jpg

eshop-img.jpg

2184 ms

step-news-next.png

step-news-next.png

2102 ms

foot-logo.png

foot-logo.png

2103 ms

cookies-grey.png

cookies-grey.png

2107 ms

cookies-close.png

cookies-close.png

2103 ms

search-ico.png

search-ico.png

2079 ms

nabidka-ico.png

nabidka-ico.png

2358 ms

dotace-ico.png

dotace-ico.png

2359 ms

home-statics-item.png

home-statics-item.png

2454 ms

slider-pagination-active.png

slider-pagination-active.png

2247 ms

slider-pagination-inactive.png

slider-pagination-inactive.png

2256 ms

settings-grey.png

settings-grey.png

2323 ms

spinner.gif

spinner.gif

2523 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

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47 ms

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76 ms

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75 ms

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74 ms

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48 ms

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73 ms

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73 ms

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76 ms

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76 ms

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78 ms

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79 ms

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79 ms

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80 ms

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79 ms

KFOlCnqEu92Fr1MmYUtvAw.ttf

KFOlCnqEu92Fr1MmYUtvAw.ttf

80 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

35 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2697 ms

Accessibility Review

marlin.eu accessibility score

79

Accessibility Issues

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

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

marlin.eu best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

marlin.eu SEO score

87

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 Marlin.eu 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 Marlin.eu 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

marlin.eu

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