Access oc.ru. Сетевое оборудование для телефонных станций и оптоволоконных АТС от компании Оптимальные Коммуникаци...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

www.oc.ru

1423 ms

sdh.min.css

384 ms

watch.js

193 ms

analytics.js

251 ms

z1.gif

131 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 63% of them (41 requests) were addressed to the original Oc.ru, 6% (4 requests) were made to Mc.yandex.ru and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Oc.ru.

Content Size

811.6 kB

After Optimization

517.6 kB

In fact, the total size of Oc.ru main page is 811.6 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. Images take 536.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 55.6 kB

Original 65.2 kB
After minification 39.8 kB
After compression 9.7 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 25.4 kB, which is 39% 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 55.6 kB or 85% of the original size.

Image Optimization

-27%

Potential reduce by 146.0 kB

Original 536.4 kB
After minification 390.4 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, Oc needs image optimization as it can save up to 146.0 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 87.1 kB

Original 202.7 kB
After minification 202.7 kB
After compression 115.6 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 87.1 kB or 43% of the original size.

CSS Optimization

-75%

Potential reduce by 5.4 kB

Original 7.2 kB
After minification 7.2 kB
After compression 1.8 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. Oc.ru needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

RU
Language Claimed

N/A
Encoding

WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oc.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 Oc.ru main page’s claimed encoding is windows-1251. 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.

Social Sharing Optimization

oc.ru

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Сетевое оборудование для телефонных станций и оптоволоконных АТС от компании Оптимальные Коммуникации. Купить телекоммуникационное оборудование для св...

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.oc.ru

sdh.min.css

watch.js

analytics.js

z1.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.oc.ru

sdh.min.css

watch.js

analytics.js

z1.gif

z2.gif

z3.gif

z-bg1.gif

z5.gif

z6.gif

z7.gif

top34.gif

z81.gif

z-bg5.gif

z9.gif

top41.gif

top42.gif

z-bg4.gif

sp.gif

bg4.gif

kn.gif

mn-hr.gif

postbox.jpg

ibp.gif

ats_3.gif

vorpost3.gif

menu_telecom.jpg

menu_electro.jpg

menu_cabtv.jpg

hit

ga.js

analytics.js

__utm.gif

watch.js

collect

collect

mes5324-mainpage-pic.jpg

picture_mainpage_pic.jpg

picture_mainpage_pic.jpg

mes1124m-mainpage-pic.jpg

mes2124mb-mainpage-pic.jpg

rg-5421-g-wac-mainpage-pic.jpg

sbc-2000-mainpage-pic.jpg