Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

zenonline.ru

Компания ЗЕНОН: материалы, оборудование и технологии для рекламного производства

Page Load Speed

6 sec in total

First Response

523 ms

Resources Loaded

5.2 sec

Page Rendered

311 ms

About Website

Click here to check amazing Zenonline content for Russia. Otherwise, check out these important facts you probably never knew about zenonline.ru

Компания ЗЕНОН-Рекламные Поставки - российский лидер в области производства и поставок материалов, оборудования и технологий для изготовления рекламы.

Visit zenonline.ru

Key Findings

We analyzed Zenonline.ru page load time and found that the first response time was 523 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

zenonline.ru performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value24.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,560 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

zenonline.ru

523 ms

zenonline.ru

2441 ms

css

38 ms

iframe_api

47 ms

application-518be2cf.css

636 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 75% of them (44 requests) were addressed to the original Zenonline.ru, 7% (4 requests) were made to Mc.yandex.com and 3% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Zenonline.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 670.0 kB (14%)

Content Size

4.9 MB

After Optimization

4.2 MB

In fact, the total size of Zenonline.ru main page is 4.9 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. 40% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 624.6 kB

  • Original 699.5 kB
  • After minification 682.7 kB
  • After compression 74.9 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 624.6 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 43.2 kB

  • Original 3.4 MB
  • After minification 3.4 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. Zenonline images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 2.2 kB

  • Original 742.9 kB
  • After minification 742.9 kB
  • After compression 740.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.5 kB
  • After minification 58.5 kB
  • After compression 58.5 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. Zenonline.ru has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (31%)

Requests Now

54

After Optimization

37

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zenonline.ru accessibility score

77

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

zenonline.ru best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

zenonline.ru SEO score

62

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

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 Zenonline.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 Zenonline.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

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