3.6 sec in total
336 ms
2.7 sec
530 ms
Welcome to gymnazium-hostivice.cz homepage info - get ready to check Gymnazium Hostivice best content right away, or after learning these important things about gymnazium-hostivice.cz
Gymnázium Hostivice
Visit gymnazium-hostivice.czWe analyzed Gymnazium-hostivice.cz page load time and found that the first response time was 336 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
gymnazium-hostivice.cz performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value6.6 s
8/100
25%
Value7.4 s
28/100
10%
Value90 ms
98/100
30%
Value0.013
100/100
15%
Value6.9 s
54/100
10%
336 ms
1095 ms
227 ms
260 ms
218 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 95% of them (38 requests) were addressed to the original Gymnazium-hostivice.cz, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Gymnazium-hostivice.cz.
Page size can be reduced by 161.6 kB (25%)
649.9 kB
488.3 kB
In fact, the total size of Gymnazium-hostivice.cz main page is 649.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 441.1 kB which makes up the majority of the site volume.
Potential reduce by 11.9 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. 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 11.9 kB or 72% of the original size.
Potential reduce by 25.0 kB
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. Gymnazium Hostivice images are well optimized though.
Potential reduce by 116.2 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 116.2 kB or 64% of the original size.
Potential reduce by 8.6 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. Gymnazium-hostivice.cz needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 77% of the original size.
Number of requests can be reduced by 18 (47%)
38
20
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gymnazium Hostivice. 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 from 4 to 1 for CSS and as a result speed up the page load time.
gymnazium-hostivice.cz
336 ms
www.gymnazium-hostivice.cz
1095 ms
contao.css
227 ms
mediabox.css
260 ms
tinymce.css
218 ms
gymnazium-hostivice.css
227 ms
mootools-core.js
359 ms
mootools-more.js
357 ms
mediabox.js
247 ms
bg1.gif
154 ms
bg2.png
152 ms
foto2.png
692 ms
logo.png
383 ms
bg_menu.png
172 ms
menu_delim.png
179 ms
bg3.png
273 ms
left_menu_active.png
278 ms
left_menu.png
295 ms
hostivice.png
312 ms
zuskladno.png
394 ms
strava.png
406 ms
golf.png
419 ms
tanecni.png
430 ms
mortimer.png
505 ms
pen-friends.png
512 ms
main_headline.png
526 ms
news_headline.png
535 ms
plak%C3%A1t_velikono%C4%8Dn%C3%AD%20v%C3%BDtvarn%C3%A1%20d%C3%ADlna_2016_oprava-2d18bfae.jpg
651 ms
IMG_0407-7e1d2ee2.jpg
620 ms
opengate-a463eed0.jpg
621 ms
v%C3%BDtvarn%C3%A1%20d%C3%ADlna_plak%C3%A1t%202016_2%20POL-a48721ae.png
1015 ms
iconPDF.gif
666 ms
hostivice-f0782360.jpg
732 ms
foot_delim.png
739 ms
fbicon.png
772 ms
hostiviceicon.png
794 ms
stckrajicon.png
803 ms
cron.php
865 ms
ga.js
5 ms
__utm.gif
12 ms
gymnazium-hostivice.cz accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
Links do not have a discernible name
gymnazium-hostivice.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
gymnazium-hostivice.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gymnazium-hostivice.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 Gymnazium-hostivice.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.
gymnazium-hostivice.cz
Open Graph description is not detected on the main page of Gymnazium Hostivice. 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: