14 sec in total
3.5 sec
9 sec
1.5 sec
Visit vzlk.ru now to see the best up-to-date Vzlk content for Russia and also check out these interesting facts you probably never knew about vzlk.ru
Производство вентиляционного оборудования. Вентиляционный завод ПК Титан - более 16 лет успешной работы. Специализируемся на производстве систем промышленной вентиляции и кондиционирования, воздуховдо...
Visit vzlk.ruWe analyzed Vzlk.ru page load time and found that the first response time was 3.5 sec and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vzlk.ru performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value8.3 s
2/100
25%
Value14.6 s
1/100
10%
Value130 ms
96/100
30%
Value0.477
18/100
15%
Value13.8 s
10/100
10%
3500 ms
2273 ms
838 ms
1399 ms
846 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Vzlk.ru, 5% (3 requests) were made to Google.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Pktitan.ru.
Page size can be reduced by 921.9 kB (51%)
1.8 MB
886.3 kB
In fact, the total size of Vzlk.ru main page is 1.8 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. 55% of websites need less resources to load. Javascripts take 921.6 kB which makes up the majority of the site volume.
Potential reduce by 78.1 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 20.9 kB, which is 23% 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 78.1 kB or 84% of the original size.
Potential reduce by 22.2 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. Vzlk images are well optimized though.
Potential reduce by 590.1 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 590.1 kB or 64% of the original size.
Potential reduce by 231.5 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. Vzlk.ru needs all CSS files to be minified and compressed as it can save up to 231.5 kB or 85% of the original size.
Number of requests can be reduced by 18 (33%)
54
36
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vzlk. 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 as a result speed up the page load time.
pktitan.ru
3500 ms
template_33e7ed886bda5b3ee6d99590aa5e17d4_v1.css
2273 ms
logo.svg
838 ms
104c2a14481a0f25998ce6b18518cdf2.jpg
1399 ms
logo-promo.svg
846 ms
4ce23c8bbbf1d3707fb3692e5dd3d1ef.svg
666 ms
842656d3a03a37daafd6b88f554b43f9.svg
675 ms
0d16dedf2445a2bf7628f3010de65ec4.svg
909 ms
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825 ms
a9fd25b0850a109f0475974754d76e62.svg
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630847f94d3602cd1bc6d50bf7b1ab14.svg
1100 ms
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1224 ms
eb28a416bcecd506b0257ba7fa38c170.svg
1231 ms
c6aacc6eb7590bfa687b18f470da2248.svg
1238 ms
kanal-oborudovanie.svg
1374 ms
e122033752513389b2ef9f669b829677.svg
1505 ms
8c7e5c2dda5eb4ee2cd6661a9cfee3cc.svg
1512 ms
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1519 ms
d6d3abbc73c8b82d3b67d459a79b52b4.svg
1811 ms
59ab1fd6c52ed66c2ddad8a51e8e7eea.svg
1648 ms
jquery.min.js
2335 ms
jquery.loader.min.js
1790 ms
template_707505128755e03ebbeb557014d05d1c_v1.js
3489 ms
js
41 ms
js
66 ms
0d559b123e77a0f42606373339b2d9aa.jpg
1919 ms
f469535a7aaed83fbfe74133ffb4c295.jpg
2069 ms
inst_small.png
2259 ms
fb_small.png
2268 ms
_vk_small.png
2193 ms
twitter_small.png
2349 ms
youtube_small.png
2469 ms
sprite.svg
1319 ms
bf2a6cc8bfed38761bcc5902fd302565.jpg
879 ms
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770 ms
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902 ms
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1068 ms
bg-seo.jpg
1345 ms
sprite.png
1178 ms
roboto-400.woff
1283 ms
roboto-500.woff
1572 ms
roboto-300.woff
1399 ms
roboto-700.woff
2162 ms
roboto-900.woff
1856 ms
reforma-grotesk-600.woff
1856 ms
reforma-grotesk-700.woff
1854 ms
reforma-grotesk-500.woff
1903 ms
reforma-grotesk-300.woff
1904 ms
ba.js
351 ms
tag.js
792 ms
conversion_async.js
124 ms
analytics.js
87 ms
collect
15 ms
50 ms
68 ms
collect
44 ms
bx_stat
181 ms
ga-audiences
41 ms
42 ms
24 ms
vzlk.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
[id] attributes on active, focusable elements are not unique
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 IDs are not unique
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.
vzlk.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vzlk.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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vzlk.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 Vzlk.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.
vzlk.ru
Open Graph description is not detected on the main page of Vzlk. 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: