Tools & Wizards About Us
komenskeho66.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

komenskeho66.cz

Základní škola Nový Jičín, Komenského 66 | ZŠ Komenského 66, Nový Jičín

Page Load Speed

4.6 sec in total

First Response

431 ms

Resources Loaded

3.5 sec

Page Rendered

710 ms

komenskeho66.cz screenshot

About Website

Click here to check amazing Komenskeho 66 content for Czech Republic. Otherwise, check out these important facts you probably never knew about komenskeho66.cz

Základní škola Nový Jičín, Komenského 66, příspěvková organizace se nachází v centru města Nového Jičína. Jsme škola úplná s devíti postupnými ročníky. Součástí školy jsou školní kuchyně s jídelnou a ...

Visit komenskeho66.cz

Key Findings

We analyzed Komenskeho66.cz page load time and found that the first response time was 431 ms and then it took 4.2 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

komenskeho66.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value1.799

0/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

komenskeho66.cz

431 ms

www.komenskeho66.cz

753 ms

www.komenskeho66.cz

588 ms

all.css

52 ms

css

62 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 65% of them (43 requests) were addressed to the original Komenskeho66.cz, 6% (4 requests) were made to Use.fontawesome.com and 6% (4 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Komenskeho66.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 532.2 kB (18%)

Content Size

3.0 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Komenskeho66.cz main page is 3.0 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

-85%

Potential reduce by 95.9 kB

  • Original 112.5 kB
  • After minification 78.7 kB
  • After compression 16.6 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 33.7 kB, which is 30% 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 95.9 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 405.8 kB

  • Original 2.8 MB
  • After minification 2.4 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, Komenskeho 66 needs image optimization as it can save up to 405.8 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 9.1 kB

  • Original 31.1 kB
  • After minification 31.1 kB
  • After compression 22.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 9.1 kB or 29% of the original size.

CSS Optimization

-29%

Potential reduce by 21.5 kB

  • Original 74.2 kB
  • After minification 74.1 kB
  • After compression 52.7 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. Komenskeho66.cz needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (35%)

Requests Now

54

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Komenskeho 66. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

komenskeho66.cz

komenskeho66.cz

431 ms

www.komenskeho66.cz

www.komenskeho66.cz

753 ms

www.komenskeho66.cz

www.komenskeho66.cz

588 ms

all.css

all.css

52 ms

css

css

62 ms

site.min.css

site.min.css

312 ms

magnific-popup.css

magnific-popup.css

408 ms

animate.css

animate.css

420 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

51 ms

jquery.validate.min.js

jquery.validate.min.js

64 ms

popper.min.js

popper.min.js

73 ms

bootstrap.min.js

bootstrap.min.js

519 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

73 ms

slick.min.js

slick.min.js

82 ms

custom.js

custom.js

417 ms

Cookies.js

Cookies.js

418 ms

sdk.js

sdk.js

43 ms

scrollreveal.js

scrollreveal.js

343 ms

jarallax.min.js

jarallax.min.js

27 ms

jarallax-video.min.js

jarallax-video.min.js

40 ms

jarallax.min.js

jarallax.min.js

24 ms

jarallax-video.min.js

jarallax-video.min.js

15 ms

gtm.js

gtm.js

198 ms

zs-komenskeho-1.svg

zs-komenskeho-1.svg

123 ms

school-571937.jpg

school-571937.jpg

313 ms

school-571937.jpg

school-571937.jpg

295 ms

img_0640.jpg

img_0640.jpg

448 ms

_elf2056.jpg

_elf2056.jpg

398 ms

1.jpg

1.jpg

397 ms

foto-108.jpg

foto-108.jpg

447 ms

foto-107.jpg

foto-107.jpg

569 ms

foto-106.jpg

foto-106.jpg

515 ms

jaro-zakladni-skola-komenskeho-66-novy-jicin.jpg

jaro-zakladni-skola-komenskeho-66-novy-jicin.jpg

549 ms

school-2051711.jpg

school-2051711.jpg

646 ms

logo-skola-online-pruhledne.png

logo-skola-online-pruhledne.png

548 ms

logo-strava-cz.png

logo-strava-cz.png

547 ms

projekty-eu.jpg

projekty-eu.jpg

617 ms

logo-mesto-novy-jicin.png

logo-mesto-novy-jicin.png

647 ms

logo-nntb.png

logo-nntb.png

648 ms

erasmus-plus.png

erasmus-plus.png

649 ms

logo-etwinning.svg

logo-etwinning.svg

673 ms

prep-centre-logo_cmyk.jpg

prep-centre-logo_cmyk.jpg

1150 ms

logo-partnerska-skola-fraus.png

logo-partnerska-skola-fraus.png

748 ms

rodice-vitani.png

rodice-vitani.png

749 ms

logo-happysnack.png

logo-happysnack.png

752 ms

logo-fokus-nj.png

logo-fokus-nj.png

751 ms

msmt.png

msmt.png

777 ms

logo-msk.png

logo-msk.png

949 ms

logo-amenit.svg

logo-amenit.svg

849 ms

nj_logo.png

nj_logo.png

853 ms

invenio-velmi-mal%C3%A9.png

invenio-velmi-mal%C3%A9.png

854 ms

logotype-1.jpg

logotype-1.jpg

882 ms

logo-zs-komenskeho-zapati.svg

logo-zs-komenskeho-zapati.svg

950 ms

bg-trojuhelniky-5.jpg

bg-trojuhelniky-5.jpg

862 ms

pocitacova-ucebna-03.jpg

pocitacova-ucebna-03.jpg

863 ms

4iCv6KVjbNBYlgoCxCvjvmyI.ttf

4iCv6KVjbNBYlgoCxCvjvmyI.ttf

88 ms

4iCv6KVjbNBYlgoCjC3jvmyI.ttf

4iCv6KVjbNBYlgoCjC3jvmyI.ttf

147 ms

4iCs6KVjbNBYlgoKcQ7z.ttf

4iCs6KVjbNBYlgoKcQ7z.ttf

196 ms

4iCv6KVjbNBYlgoC1CzjvmyI.ttf

4iCv6KVjbNBYlgoC1CzjvmyI.ttf

197 ms

fa-solid-900.woff

fa-solid-900.woff

33 ms

fa-regular-400.woff

fa-regular-400.woff

85 ms

fa-brands-400.woff

fa-brands-400.woff

86 ms

sdk.js

sdk.js

32 ms

136 ms

js

js

48 ms

print.css

print.css

103 ms

Accessibility Review

komenskeho66.cz accessibility score

87

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

Best Practices

komenskeho66.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

komenskeho66.cz SEO score

85

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

High

robots.txt is not valid

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 Komenskeho66.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 Komenskeho66.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

komenskeho66.cz

Open Graph data is detected on the main page of Komenskeho 66. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: