Tools & Wizards About Us
czmarine.cz screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

czmarine.cz

Czech Marine - LODĚ, LODNÍ MOTORY, motorové nafukovací čluny, České Budějovice

Page Load Speed

22.9 sec in total

First Response

409 ms

Resources Loaded

22 sec

Page Rendered

456 ms

czmarine.cz screenshot

About Website

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

Prodej, servis, půjčovna - lodě, lodní motory, motorové nafukovací čluny a přívěsy - Suzuki, Selva, Yamaha, Honda, Mercury příslušenství pro lodě

Visit czmarine.cz

Key Findings

We analyzed Czmarine.cz page load time and found that the first response time was 409 ms and then it took 22.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

czmarine.cz performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

czmarine.cz

409 ms

www.czmarine.cz

711 ms

Welcome.css

201 ms

iWebSite.js

504 ms

WidgetCommon.js

407 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 57% of them (29 requests) were addressed to the original Czmarine.cz, 20% (10 requests) were made to Static.xx.fbcdn.net and 6% (3 requests) were made to Pagerank.cz. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 794.1 kB (30%)

Content Size

2.7 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Czmarine.cz main page is 2.7 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 36.4 kB

  • Original 46.8 kB
  • After minification 43.1 kB
  • After compression 10.4 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 36.4 kB or 78% of the original size.

Image Optimization

-25%

Potential reduce by 593.1 kB

  • Original 2.4 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. Obviously, Cz Marine needs image optimization as it can save up to 593.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 155.9 kB

  • Original 222.7 kB
  • After minification 219.4 kB
  • After compression 66.8 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 155.9 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 8.7 kB

  • Original 9.9 kB
  • After minification 7.6 kB
  • After compression 1.2 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. Czmarine.cz needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (36%)

Requests Now

44

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cz Marine. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

czmarine.cz

czmarine.cz

409 ms

www.czmarine.cz

www.czmarine.cz

711 ms

Welcome.css

Welcome.css

201 ms

iWebSite.js

iWebSite.js

504 ms

WidgetCommon.js

WidgetCommon.js

407 ms

navbar.js

navbar.js

410 ms

iWebImage.js

iWebImage.js

513 ms

Paste.js

Paste.js

409 ms

Welcome.js

Welcome.js

410 ms

swfobject_modified.js

swfobject_modified.js

514 ms

default.css

default.css

17 ms

ikona-3.gif

ikona-3.gif

430 ms

bg.jpg

bg.jpg

206 ms

logo4.jpg

logo4.jpg

200 ms

globe8.gif

globe8.gif

109 ms

uvodni3.jpg

uvodni3.jpg

107 ms

8%20Black%20bass%20bt.jpg

8%20Black%20bass%20bt.jpg

107 ms

nafukovaci%20ikona.jpg

nafukovaci%20ikona.jpg

105 ms

nafukovaci%20cluny.jpg

nafukovaci%20cluny.jpg

210 ms

kajutova-lod3.jpg

kajutova-lod3.jpg

211 ms

01%20Naxos%2015.jpg

01%20Naxos%2015.jpg

211 ms

5.7%20elagance%203%204.jpg

5.7%20elagance%203%204.jpg

212 ms

C%207.1%203-4.jpg

C%207.1%203-4.jpg

402 ms

D.600%20d.s.%203%204.jpg

D.600%20d.s.%203%204.jpg

704 ms

Coppia%20150%20Killer%20Wahle.jpg

Coppia%20150%20Killer%20Wahle.jpg

409 ms

selva_katalog_motory.jpg

selva_katalog_motory.jpg

383 ms

nahled%20cenik.jpg

nahled%20cenik.jpg

382 ms

selva_nafukovaci_male.jpg

selva_nafukovaci_male.jpg

382 ms

selva_nafukovaci_velke.jpg

selva_nafukovaci_velke.jpg

422 ms

selva_laminatove_otevrene.jpg

selva_laminatove_otevrene.jpg

423 ms

all.js

all.js

22 ms

feed.xml

feed.xml

404 ms

all.js

all.js

11 ms

ga.js

ga.js

24 ms

__utm.gif

__utm.gif

12 ms

like_box.php

like_box.php

188 ms

count.asp

count.asp

20265 ms

otoKjNgXJiB.css

otoKjNgXJiB.css

15 ms

9nUz5AS-QWA.js

9nUz5AS-QWA.js

22 ms

E_P-TzY6wm3.js

E_P-TzY6wm3.js

48 ms

RGL4cj21k7i.js

RGL4cj21k7i.js

50 ms

IdaDUxNeWGd.js

IdaDUxNeWGd.js

49 ms

Pafuruwv1Gm.js

Pafuruwv1Gm.js

55 ms

p55HfXW__mM.js

p55HfXW__mM.js

49 ms

305619143_415648477366582_8090203936576856941_n.jpg

305619143_415648477366582_8090203936576856941_n.jpg

109 ms

oFlfsBIjiMC.js

oFlfsBIjiMC.js

9 ms

ioCSvlk5nfd.js

ioCSvlk5nfd.js

13 ms

305748254_415648480699915_2343542573482707907_n.jpg

305748254_415648480699915_2343542573482707907_n.jpg

40 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

9 ms

ikona-3.gif

ikona-3.gif

696 ms

ikona-3.gif

ikona-3.gif

592 ms

Accessibility Review

czmarine.cz accessibility score

74

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

czmarine.cz best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

czmarine.cz SEO score

89

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Czmarine.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Czmarine.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

czmarine.cz

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