3.1 sec in total
964 ms
2 sec
97 ms
Welcome to erento.cz homepage info - get ready to check Erento best content right away, or after learning these important things about erento.cz
H1 text
Visit erento.czWe analyzed Erento.cz page load time and found that the first response time was 964 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
erento.cz performance score
name
value
score
weighting
Value1.7 s
91/100
10%
Value31.6 s
0/100
25%
Value4.6 s
70/100
10%
Value660 ms
45/100
30%
Value0.168
70/100
15%
Value32.3 s
0/100
10%
964 ms
13 ms
33 ms
32 ms
113 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 26% of them (6 requests) were addressed to the original Erento.cz, 70% (16 requests) were made to Img.img-erento.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (964 ms) belongs to the original domain Erento.cz.
Page size can be reduced by 337.3 kB (78%)
434.2 kB
96.9 kB
In fact, the total size of Erento.cz main page is 434.2 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. 35% of websites need less resources to load. Javascripts take 243.3 kB which makes up the majority of the site volume.
Potential reduce by 24.3 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 13.7 kB, which is 48% 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 24.3 kB or 86% of the original size.
Potential reduce by 0 B
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. Erento images are well optimized though.
Potential reduce by 181.5 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 181.5 kB or 75% of the original size.
Potential reduce by 131.5 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. Erento.cz needs all CSS files to be minified and compressed as it can save up to 131.5 kB or 86% of the original size.
Number of requests can be reduced by 7 (39%)
18
11
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erento. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
erento.cz
964 ms
erento.css
13 ms
header.css
33 ms
forms.css
32 ms
prototype.js
113 ms
erento.js
38 ms
jquery.min.js
205 ms
jqueryNoConflict.js
320 ms
jquery.extensions.js
39 ms
ImageDropDown.js
38 ms
SearchWhereHelper.js
37 ms
ListHover.js
36 ms
InputHintInner.js
37 ms
560 ms
508 ms
721 ms
dc.js
29 ms
erento-cz.gif
225 ms
erento-bullet.gif
204 ms
sprite_flag.png
9 ms
but-erento-search.gif
211 ms
red-bullet.gif
205 ms
grey-bullet.gif
224 ms
erento.cz accessibility score
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
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
Form elements do not have associated labels
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
erento.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
erento.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
DE
ISO-8859-15
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Erento.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Erento.cz main page’s claimed encoding is iso-8859-15. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
erento.cz
Open Graph description is not detected on the main page of Erento. 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: