27.2 sec in total
653 ms
25.8 sec
806 ms
Welcome to dnalab.ru homepage info - get ready to check Dnalab best content for Russia right away, or after learning these important things about dnalab.ru
Центр Молекулярной Генетики является крупнейшей организацией в Европе по числу диагностируемых наследственных заболеваний. На сегодняшний день список наследственных патологий, для которых проводится Д...
Visit dnalab.ruWe analyzed Dnalab.ru page load time and found that the first response time was 653 ms and then it took 26.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dnalab.ru performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value8.1 s
2/100
25%
Value6.2 s
44/100
10%
Value1,190 ms
21/100
30%
Value0.079
94/100
15%
Value8.6 s
37/100
10%
653 ms
1309 ms
281 ms
282 ms
279 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 88% of them (74 requests) were addressed to the original Dnalab.ru, 5% (4 requests) were made to Google-analytics.com and 5% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Mc.yandex.ru.
Page size can be reduced by 229.8 kB (17%)
1.4 MB
1.2 MB
In fact, the total size of Dnalab.ru main page is 1.4 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 55.7 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 55.7 kB or 83% of the original size.
Potential reduce by 44.4 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. Dnalab images are well optimized though.
Potential reduce by 114.9 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 114.9 kB or 61% of the original size.
Potential reduce by 14.9 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. Dnalab.ru needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 79% of the original size.
Number of requests can be reduced by 54 (70%)
77
23
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnalab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
dnalab.ru
653 ms
www.dnalab.ru
1309 ms
main.css
281 ms
dd.css
282 ms
Limb.js
279 ms
jquery-1.8.2.min.js
3759 ms
JSCookMenu.js
3775 ms
theme.css
3774 ms
jquery.fancybox.css
3755 ms
theme.js
3755 ms
urchin.js
26 ms
phone.js
3617 ms
script.js
3618 ms
unselectable.js
3635 ms
jquery.fancybox.pack.js
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phone.js
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1col2.gif
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2head.jpg
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1x1.gif
161 ms
services.jpg
457 ms
need-to-know.jpg
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sets.jpg
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rules.jpg
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16enterbut.gif
697 ms
10search.gif
603 ms
questions.gif
805 ms
captcha.php
1085 ms
www.dnalab.ru
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www.dnalab.ru
1568 ms
www.dnalab.ru
2131 ms
www.dnalab.ru
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license_new_med1.jpg
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www.dnalab.ru
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bit-light.gif
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2418 ms
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2562 ms
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14contactsfoot.gif
2669 ms
5search.gif
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bgr1.jpg
2710 ms
6rightpanel.gif
2794 ms
hit
260 ms
__utm.gif
3 ms
watch.js
0 ms
watch.js
5 ms
ga.js
5 ms
__utm.gif
12 ms
7panelarrow.gif
2728 ms
7panelfield.gif
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hit
130 ms
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2468 ms
11panelfoot.gif
2448 ms
bit-dark.gif
141 ms
20info.gif
146 ms
20infoh.gif
144 ms
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144 ms
20developments.gif
143 ms
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283 ms
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20faq.gif
428 ms
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563 ms
dnalab.ru 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
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
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
dnalab.ru 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
Missing source maps for large first-party JavaScript
dnalab.ru 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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dnalab.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Dnalab.ru 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.
dnalab.ru
Open Graph description is not detected on the main page of Dnalab. 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: