24.1 sec in total
387 ms
23.1 sec
569 ms
Visit nv-lab.ru now to see the best up-to-date Nv Lab content for Russia and also check out these interesting facts you probably never knew about nv-lab.ru
Поставки лабораторного, медицинского оборудования и мебели со склада в Москве по самым выгодным ценам!
Visit nv-lab.ruWe analyzed Nv-lab.ru page load time and found that the first response time was 387 ms and then it took 23.7 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 were 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
nv-lab.ru performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value5.7 s
17/100
25%
Value5.9 s
47/100
10%
Value2,050 ms
7/100
30%
Value0.007
100/100
15%
Value10.5 s
24/100
10%
387 ms
716 ms
306 ms
1173 ms
1009 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 88% of them (53 requests) were addressed to the original Nv-lab.ru, 5% (3 requests) were made to Mc.yandex.ru and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Mc.yandex.ru.
Page size can be reduced by 646.4 kB (13%)
4.9 MB
4.3 MB
In fact, the total size of Nv-lab.ru main page is 4.9 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 4.6 MB which makes up the majority of the site volume.
Potential reduce by 35.4 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 35.4 kB or 78% of the original size.
Potential reduce by 453.8 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. Nv Lab images are well optimized though.
Potential reduce by 157.1 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 157.1 kB or 63% of the original size.
Number of requests can be reduced by 16 (31%)
51
35
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nv Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
nv-lab.ru
387 ms
www.nv-lab.ru
716 ms
main.css
306 ms
jquery.js
1173 ms
highslide.js
1009 ms
jquery.js
824 ms
jquery.scroll.js
1015 ms
jquery.mousewheel.js
307 ms
ajax.js
494 ms
scrollable-navig.css
494 ms
watch_visor.js
371 ms
watch_visor.js
20441 ms
call_skype_logo.png
91 ms
bg.jpg
4797 ms
blue.png
603 ms
home.png
189 ms
mail.png
197 ms
map.png
668 ms
logo.png
542 ms
search.png
430 ms
menu.png
585 ms
menu_left.png
613 ms
menu_sep.png
720 ms
menu_right.png
753 ms
dhtmlgoodies_plus.gif
767 ms
spacer.gif
784 ms
b5e9b4f86ce43ca65bd79c894c4a924c.gif
1808 ms
img83265141.PNG
893 ms
editor12.jpg
1095 ms
editor2684.jpg
2616 ms
editor2464.jpg
5923 ms
editor2651.jpg
5101 ms
editor1508.jpg
1461 ms
editor2575.jpg
19745 ms
editor1462.jpg
4626 ms
editor2643.jpg
5931 ms
editor185.jpg
6831 ms
editor1350.jpg
5363 ms
editor1416.jpg
6078 ms
editor2790.jpg
11864 ms
editor2631.jpg
14836 ms
editor2286.jpg
6467 ms
editor1391.png
8590 ms
editor1512.jpg
14348 ms
editor1403.jpg
8806 ms
editor2414.JPG
13189 ms
editor1681.jpg
10224 ms
ga.js
205 ms
watch.js
0 ms
editor2419.jpg
12149 ms
editor1977.jpg
14466 ms
__utm.gif
131 ms
editor2468.jpg
15612 ms
editor2644.jpg
15945 ms
editor2787.jpg
20100 ms
editor2102.jpg
20088 ms
gotop.png
14404 ms
counter2
191 ms
drop-shadow.png
187 ms
zoomout.cur
186 ms
nv-lab.ru 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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.
nv-lab.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
nv-lab.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nv-lab.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 Nv-lab.ru main page’s claimed encoding is iso-8859-1. 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.
nv-lab.ru
Open Graph description is not detected on the main page of Nv Lab. 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: