Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

copo.ru

Учебный Центр «ЦОПО» Обучение Курсы Переподготовка Автошкола СОУТ

Page Load Speed

7 sec in total

First Response

678 ms

Resources Loaded

5.7 sec

Page Rendered

587 ms

copo.ru screenshot

About Website

Welcome to copo.ru homepage info - get ready to check Copo best content for Russia right away, or after learning these important things about copo.ru

Подготовка и аттестация, Профессиональное обучение, Курсы и семинары, Автошкола, Специальная Оценка Условий Труда (СОУТ). Филиалы в городах: Подольск, Подольск (Кузнечики), Чехов, Москва.

Visit copo.ru

Key Findings

We analyzed Copo.ru page load time and found that the first response time was 678 ms and then it took 6.3 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

copo.ru performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value1,640 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

copo.ru

678 ms

main.css

186 ms

style.css

324 ms

jquery.js

840 ms

swfobject.js

329 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 70% of them (103 requests) were addressed to the original Copo.ru, 10% (14 requests) were made to Vk.com and 5% (7 requests) were made to Consultsystems.ru. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Copo.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 972.9 kB (35%)

Content Size

2.8 MB

After Optimization

1.8 MB

In fact, the total size of Copo.ru main page is 2.8 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 104.4 kB

  • Original 126.7 kB
  • After minification 121.2 kB
  • After compression 22.3 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 104.4 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 138.5 kB

  • Original 1.7 MB
  • After minification 1.6 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. Copo images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 460.3 kB

  • Original 652.0 kB
  • After minification 557.2 kB
  • After compression 191.7 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 460.3 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 269.7 kB

  • Original 318.6 kB
  • After minification 266.8 kB
  • After compression 48.9 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. Copo.ru needs all CSS files to be minified and compressed as it can save up to 269.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (26%)

Requests Now

141

After Optimization

105

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Copo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

copo.ru accessibility score

79

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

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.

Best Practices

copo.ru best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

copo.ru SEO score

83

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

    WINDOWS-1251

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

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