Tools & Wizards About Us
montessori.cz screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

montessori.cz

International Montessori School of Prague | Preschool | Nursery

Page Load Speed

5.4 sec in total

First Response

539 ms

Resources Loaded

4.1 sec

Page Rendered

765 ms

montessori.cz screenshot

About Website

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

IMSP is an international school offering authentic Montessori education. Embracing each child's unique potential, we empower our students to achieve academic excellence and become confident, compa...

Visit montessori.cz

Key Findings

We analyzed Montessori.cz page load time and found that the first response time was 539 ms and then it took 4.8 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

montessori.cz performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

montessori.cz

539 ms

montessori.cz

486 ms

www.montessori.cz

922 ms

lib.css

132 ms

cookiesBar.css

251 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Montessori.cz, 6% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Nette.github.io. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Montessori.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.8 kB (6%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Montessori.cz main page is 1.8 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 58.7 kB

  • Original 75.2 kB
  • After minification 70.5 kB
  • After compression 16.5 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 58.7 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 30.8 kB

  • Original 1.6 MB
  • After minification 1.6 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. Montessori images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 9.1 kB

  • Original 91.1 kB
  • After minification 91.1 kB
  • After compression 82.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 122 B

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 25.1 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. Montessori.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (24%)

Requests Now

45

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Montessori. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

montessori.cz

montessori.cz

539 ms

montessori.cz

montessori.cz

486 ms

www.montessori.cz

www.montessori.cz

922 ms

lib.css

lib.css

132 ms

cookiesBar.css

cookiesBar.css

251 ms

styles.css

styles.css

352 ms

modernizr.js

modernizr.js

348 ms

jquery.min.js

jquery.min.js

469 ms

bootstrap.min.js

bootstrap.min.js

350 ms

shave.min.js

shave.min.js

360 ms

slick.min.js

slick.min.js

370 ms

jquery.blueimp-gallery.min.js

jquery.blueimp-gallery.min.js

483 ms

picturefill.js

picturefill.js

485 ms

cookieconsent.js

cookieconsent.js

486 ms

main.js

main.js

485 ms

netteForms.min.js

netteForms.min.js

17 ms

nette.ajax.js

nette.ajax.js

489 ms

history.ajax.js

history.ajax.js

590 ms

logo_wrapper.png

logo_wrapper.png

123 ms

logo.svg

logo.svg

129 ms

slogan.svg

slogan.svg

127 ms

orig-75674-imsp-video-306x201-1.jpg

orig-75674-imsp-video-306x201-1.jpg

124 ms

orig-78742-screenshot-2020-03-24-at-21-39-50-306x201-1.png

orig-78742-screenshot-2020-03-24-at-21-39-50-306x201-1.png

346 ms

orig-14423-foto-t7-306x201-1.jpg

orig-14423-foto-t7-306x201-1.jpg

230 ms

orig-55585-dsc-0717-306x201-1.jpg

orig-55585-dsc-0717-306x201-1.jpg

245 ms

orig-85150-buranova-128x128-1.jpg

orig-85150-buranova-128x128-1.jpg

247 ms

orig-38593-dsc03247upr-128x128-1.jpg

orig-38593-dsc03247upr-128x128-1.jpg

248 ms

orig-87375-untitled-design-4-128x128-1.png

orig-87375-untitled-design-4-128x128-1.png

367 ms

orig-21472-testimonial-1-128x128-1.jpg

orig-21472-testimonial-1-128x128-1.jpg

353 ms

orig-64796-testimonial-4-128x128-1.jpg

orig-64796-testimonial-4-128x128-1.jpg

363 ms

orig-67433-testimonial-3-128x128-1.jpg

orig-67433-testimonial-3-128x128-1.jpg

366 ms

orig-31909-ecp-306x201-0.jpg

orig-31909-ecp-306x201-0.jpg

365 ms

orig-96256-flag-yellow-high-306x201-0.jpg

orig-96256-flag-yellow-high-306x201-0.jpg

464 ms

orig-71872-logo-1-306x201-0.png

orig-71872-logo-1-306x201-0.png

471 ms

orig-88787-english-cmyk-primary-brandmark-306x201-0.jpg

orig-88787-english-cmyk-primary-brandmark-306x201-0.jpg

487 ms

orig-13668-canadianmedical-logo-cmyk-306x201-0.jpg

orig-13668-canadianmedical-logo-cmyk-306x201-0.jpg

486 ms

orig-33823-dhl-logo-306x201-0.png

orig-33823-dhl-logo-306x201-0.png

485 ms

orig-73138-montessorihracky-zaklad-306x201-0.jpg

orig-73138-montessorihracky-zaklad-306x201-0.jpg

493 ms

orig-90941-logo-306x201-0.jpg

orig-90941-logo-306x201-0.jpg

586 ms

orig-70092-samostatne-dite-pruhl-s-306x201-0.png

orig-70092-samostatne-dite-pruhl-s-306x201-0.png

588 ms

orig-96457-kudyznudy-rgb-306x201-0.jpg

orig-96457-kudyznudy-rgb-306x201-0.jpg

608 ms

orig-43963-820x428-cz-306x201-0.jpg

orig-43963-820x428-cz-306x201-0.jpg

608 ms

KFOmCnqEu92Fr1Mu7GxP.ttf

KFOmCnqEu92Fr1Mu7GxP.ttf

49 ms

KFOlCnqEu92Fr1MmWUlfChc9.ttf

KFOlCnqEu92Fr1MmWUlfChc9.ttf

58 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw3aX8.ttf

44 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

707 ms

video.html

video.html

604 ms

overlay.png

overlay.png

666 ms

85391-toddler-6.jpg

85391-toddler-6.jpg

1332 ms

footer_bg.jpg

footer_bg.jpg

686 ms

thumb_sml.jpg

thumb_sml.jpg

124 ms

video.html

video.html

128 ms

Accessibility Review

montessori.cz accessibility score

86

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

<frame> or <iframe> elements do not have a title

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

[id] attributes on active, focusable elements are not unique

Best Practices

montessori.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

montessori.cz SEO score

75

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Montessori.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Montessori.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

montessori.cz

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