Access gymsosmb.cz. Gymnázium a Střední odborná škola Moravské Budějovice

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

gymsosmb.cz

400 ms

gymsosmb.cz

396 ms

www.gymsosmb.cz

987 ms

cssloader-02ffeb284838.css

105 ms

cssloader-12c60e10d25c.css

206 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 94% of them (62 requests) were addressed to the original Gymsosmb.cz, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Cdn.cookie-script.com. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Gymsosmb.cz.

Content Size

17.7 MB

After Optimization

16.1 MB

In fact, the total size of Gymsosmb.cz main page is 17.7 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. 65% of websites need less resources to load. Images take 17.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.0 kB

Original 28.9 kB
After minification 25.5 kB
After compression 5.9 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 3.4 kB, which is 12% 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 23.0 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 1.5 MB

Original 17.5 MB
After minification 16.0 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. Gymsosmb images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 46.9 kB

Original 152.5 kB
After minification 152.5 kB
After compression 105.7 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 46.9 kB or 31% of the original size.

CSS Optimization

-26%

Potential reduce by 4.0 kB

Original 15.2 kB
After minification 15.2 kB
After compression 11.2 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. Gymsosmb.cz needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 26% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gymsosmb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

High

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

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

CS
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gymsosmb.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Gymsosmb.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

gymsosmb.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Gymnázium a Střední odborná škola Moravské Budějovice

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

gymsosmb.cz

gymsosmb.cz

www.gymsosmb.cz

cssloader-02ffeb284838.css

cssloader-12c60e10d25c.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

gymsosmb.cz

gymsosmb.cz

www.gymsosmb.cz

cssloader-02ffeb284838.css

cssloader-12c60e10d25c.css

jsloader-e139384e7688.js

4b88af1b615192426d9cc269754f20ee.js

js

logo-edookit.svg

logo-icanteen.png

logo-facebook.svg

logo-instagram.svg

logo-youtube.svg

header-bg.jpg

sprite.svg

ctyrlete-gymnazium.jpg

sestilete-gymnazium.jpg

verejnospravni-cinnost.jpg

socialni-cinnost.jpg

20240510-065540253-ios-9x9ab3gn8j.jpg

img-2801-j9o65y4txl.jpeg

dsc-0339-5qprb1btdn.jpg

20240408-164333-hm2psnty53.jpg

sprite.svg

gymsosmb-61-of-84-f6brkemt4a-crop-500-500.jpg

gymsosmb-24-of-84-tebm23t4ek-crop-500-500.jpg

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gymsosmb-80-of-84-9680duckgn-crop-500-500.jpg

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gymsosmb-44-of-84-bq2fbqbb45-crop-500-500.jpg

img-20170906-110001-oho3uv8cae-crop-500-500.jpg

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