6.2 sec in total
1.4 sec
4.6 sec
201 ms
Welcome to opt-union.ru homepage info - get ready to check Opt Union best content for Russia right away, or after learning these important things about opt-union.ru
Интернет-портал "Деловые контакты" – это b2b Интернет-площадка представляет производителей и поставщиков из России и других стран мира. Предлагаются оборудование, товары, оптовые поставки.
Visit opt-union.ruWe analyzed Opt-union.ru page load time and found that the first response time was 1.4 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
opt-union.ru performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value4.6 s
35/100
25%
Value5.9 s
48/100
10%
Value110 ms
98/100
30%
Value0
100/100
15%
Value6.4 s
60/100
10%
1351 ms
363 ms
367 ms
369 ms
572 ms
Our browser made a total of 114 requests to load all elements on the main page. We found that 36% of them (41 requests) were addressed to the original Opt-union.ru, 11% (12 requests) were made to Img.opt-union.ru and 9% (10 requests) were made to Oborudunion.ru. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Opt-union.ru.
Page size can be reduced by 302.6 kB (38%)
796.0 kB
493.5 kB
In fact, the total size of Opt-union.ru main page is 796.0 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. 55% of websites need less resources to load. Images take 377.8 kB which makes up the majority of the site volume.
Potential reduce by 173.9 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 173.9 kB or 83% of the original size.
Potential reduce by 49.5 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. Obviously, Opt Union needs image optimization as it can save up to 49.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 48.3 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 48.3 kB or 28% of the original size.
Potential reduce by 30.8 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. Opt-union.ru needs all CSS files to be minified and compressed as it can save up to 30.8 kB or 82% of the original size.
Number of requests can be reduced by 42 (40%)
104
62
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opt Union. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.opt-union.ru
1351 ms
base.css
363 ms
2012-style.css
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header.css
369 ms
iu.css
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base-style.css
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common.js
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jquery.min.js
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lightbox.js
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lightbox.css
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search.css
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perfect-scrollbar.js
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search.js
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perfect-scrollbar.min.css
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adsbygoogle.js
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share.js
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oborudunion.js
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stroy-union.js
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disc.gif
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oborud_logo.php
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ads
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9aKOW9kHIBrJTB9ONj-e1oyTZuOGlgCE-J5p-KupNmo.js
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334 ms
top100.scn
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counter
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counter
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hit
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tracker
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57 ms
opt-union.ru accessibility score
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
Buttons do not have an accessible name
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
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
opt-union.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
opt-union.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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opt-union.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 Opt-union.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.
opt-union.ru
Open Graph description is not detected on the main page of Opt Union. 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: