Tools & Wizards About Us
optcom.ru screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

optcom.ru

«ОптКом» - Поставка компонентов ВОЛС, СКС и другого телекоммуникационного оборудования

Page Load Speed

7.6 sec in total

First Response

553 ms

Resources Loaded

6.8 sec

Page Rendered

193 ms

optcom.ru screenshot

About Website

Visit optcom.ru now to see the best up-to-date Optcom content for Russia and also check out these interesting facts you probably never knew about optcom.ru

Оборудование для ВОЛС и СКС. Производство. Сервисный центр

Visit optcom.ru

Key Findings

We analyzed Optcom.ru page load time and found that the first response time was 553 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

optcom.ru performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value10.5 s

8/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.224

56/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

optcom.ru

553 ms

optcom.ru

597 ms

www.optcom.ru

485 ms

www.optcom.ru

873 ms

ac3186a12c4cb63762c0ee90595d4d22.css

143 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 97% of them (156 requests) were addressed to the original Optcom.ru, 2% (3 requests) were made to Code.jivosite.com and 1% (1 request) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Optcom.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (32%)

Content Size

4.2 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Optcom.ru main page is 4.2 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. 70% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 113.3 kB

  • Original 134.2 kB
  • After minification 134.2 kB
  • After compression 21.0 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 113.3 kB or 84% of the original size.

Image Optimization

-35%

Potential reduce by 1.2 MB

  • Original 3.5 MB
  • After minification 2.2 MB

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, Optcom needs image optimization as it can save up to 1.2 MB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.5 kB

  • Original 554.5 kB
  • After minification 554.5 kB
  • After compression 551.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 102 B

  • Original 30.7 kB
  • After minification 30.7 kB
  • After compression 30.6 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. Optcom.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (17%)

Requests Now

156

After Optimization

130

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 156 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optcom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

optcom.ru

optcom.ru

553 ms

optcom.ru

optcom.ru

597 ms

www.optcom.ru

www.optcom.ru

485 ms

www.optcom.ru

www.optcom.ru

873 ms

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143 ms

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289 ms

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548 ms

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413 ms

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700 ms

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430 ms

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975 ms

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1396 ms

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1148 ms

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1080 ms

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1016 ms

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990 ms

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990 ms

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908 ms

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941 ms

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Accessibility Review

optcom.ru accessibility score

60

Accessibility Issues

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

High

button, link, and menuitem elements do not have accessible names.

High

[aria-*] attributes do not have valid values

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

optcom.ru best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

optcom.ru SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optcom.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 Optcom.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.

Social Sharing Optimization

optcom.ru

Open Graph description is not detected on the main page of Optcom. 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: