2.2 sec in total
475 ms
1.4 sec
345 ms
Welcome to elife.cz homepage info - get ready to check Elife best content for Czech Republic right away, or after learning these important things about elife.cz
Úvod , Biolampa, Biostimul, Biobeam, alkohol tester
Visit elife.czWe analyzed Elife.cz page load time and found that the first response time was 475 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
elife.cz performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value4.2 s
43/100
25%
Value4.0 s
81/100
10%
Value40 ms
100/100
30%
Value0.317
36/100
15%
Value4.1 s
86/100
10%
475 ms
214 ms
213 ms
217 ms
325 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 96% of them (24 requests) were addressed to the original Elife.cz, 4% (1 request) were made to Elitech.cz. The less responsive or slowest element that took the longest time to load (793 ms) belongs to the original domain Elife.cz.
Page size can be reduced by 33.5 kB (6%)
520.5 kB
487.0 kB
In fact, the total size of Elife.cz main page is 520.5 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. 15% of websites need less resources to load. Images take 497.4 kB which makes up the majority of the site volume.
Potential reduce by 8.5 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 8.5 kB or 69% of the original size.
Potential reduce by 17.6 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. Elife images are well optimized though.
Potential reduce by 1.5 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 1.5 kB or 59% of the original size.
Potential reduce by 6.0 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. Elife.cz needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 72% of the original size.
We found no issues to fix!
24
24
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elife. According to our analytics all requests are already optimized.
elife.cz
475 ms
style4.css
214 ms
back4.css
213 ms
scripts.js
217 ms
rating_small_in.png
325 ms
back4.png
110 ms
top4.jpg
219 ms
sitemap.gif
110 ms
print.gif
110 ms
mail.gif
204 ms
side4.jpg
212 ms
max_1329819703.jpg
315 ms
biolampa-LOGO.jpg
422 ms
43-365.jpg
317 ms
kamasu.jpg
305 ms
muz.jpg
651 ms
zena-s-darkem.jpg
540 ms
lecba(1).jpg
509 ms
1024-2023.jpg
635 ms
989-1859.jpg
422 ms
1129-2348.jpg
511 ms
DO603ED.jpg
513 ms
DO419BL.jpg
793 ms
h24.png
617 ms
bott4.png
617 ms
elife.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
Links do not have a discernible name
elife.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
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
elife.cz SEO score
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
CS
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elife.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 Elife.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.
elife.cz
Open Graph description is not detected on the main page of Elife. 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: