4.4 sec in total
504 ms
3.8 sec
181 ms
Welcome to tcn-nn.ru homepage info - get ready to check Tcn Nn best content for Russia right away, or after learning these important things about tcn-nn.ru
Наше предприятие выполняет комплекс работ в сфере энергоснабжения «под ключ»: проектирование, производство, монтаж, наладка.
Visit tcn-nn.ruWe analyzed Tcn-nn.ru page load time and found that the first response time was 504 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
tcn-nn.ru performance score
name
value
score
weighting
Value9.4 s
0/100
10%
Value22.5 s
0/100
25%
Value14.6 s
1/100
10%
Value590 ms
51/100
30%
Value0
100/100
15%
Value19.3 s
2/100
10%
504 ms
606 ms
382 ms
255 ms
257 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Tcn-nn.ru, 5% (2 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Tcn-nn.ru.
Page size can be reduced by 576.4 kB (58%)
990.8 kB
414.4 kB
In fact, the total size of Tcn-nn.ru main page is 990.8 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. 30% of websites need less resources to load. Javascripts take 680.3 kB which makes up the majority of the site volume.
Potential reduce by 19.4 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. This page needs HTML code to be minified as it can gain 4.6 kB, which is 18% 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 19.4 kB or 76% of the original size.
Potential reduce by 10.9 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. Tcn Nn images are well optimized though.
Potential reduce by 473.0 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 473.0 kB or 70% of the original size.
Potential reduce by 73.1 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. Tcn-nn.ru needs all CSS files to be minified and compressed as it can save up to 73.1 kB or 82% of the original size.
Number of requests can be reduced by 19 (54%)
35
16
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tcn Nn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
tcn-nn.ru
504 ms
www.tcn-nn.ru
606 ms
widgetkit-31897b8e.css
382 ms
grid-12.css
255 ms
gantry.css
257 ms
joomla.css
387 ms
style1.css
258 ms
template.css
265 ms
nssp2.css
386 ms
template.css
388 ms
fusion.css
389 ms
mootools-core.js
925 ms
core.js
506 ms
caption.js
507 ms
jquery.js
885 ms
widgetkit-a7806cd1.js
508 ms
mootools-more.js
1300 ms
gantry-buildspans.js
633 ms
sfhover-ie.js
651 ms
fusion.js
759 ms
jquery.js
886 ms
five_frames.js
777 ms
lightbox.js
131 ms
mediaelement-and-player.js
417 ms
spotlight.js
146 ms
bg_head_blue.jpg
256 ms
logo_ru.png
129 ms
ru.gif
131 ms
us.gif
129 ms
shield.jpg
265 ms
hv.jpg
129 ms
shop.jpg
254 ms
nnem.jpg
381 ms
led.jpg
255 ms
bg_main.jpg
257 ms
bg_footer.jpg
486 ms
watch.js
169 ms
watch.js
431 ms
tcn-nn.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.
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
No form fields have multiple labels
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
tcn-nn.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
tcn-nn.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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tcn-nn.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Tcn-nn.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.
tcn-nn.ru
Open Graph description is not detected on the main page of Tcn Nn. 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: