Tools & Wizards About Us
centernature.ru screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

centernature.ru

Интернет-магазин аквариумов, аквариумных рыбок в Воронеже, Зоомагазин аквариумистики в Воронеже - AquaFish

Page Load Speed

11 sec in total

First Response

3 sec

Resources Loaded

7.6 sec

Page Rendered

399 ms

centernature.ru screenshot

About Website

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

Интернет-магазин AquaFish предлагает большой выбор аквариумов и аквариумных рыбок в Воронеже. В нашем зоомагазине аквариумистики можно найти товары для животных

Visit centernature.ru

Key Findings

We analyzed Centernature.ru page load time and found that the first response time was 3 sec and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

centernature.ru performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

centernature.ru

2991 ms

core.min.css

247 ms

ui.font.opensans.min.css

248 ms

main.popup.bundle.min.css

371 ms

main.css

250 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 97% of them (143 requests) were addressed to the original Centernature.ru, 1% (2 requests) were made to Bitrix.info and 1% (1 request) were made to Yandex.st. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Centernature.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 688.7 kB (17%)

Content Size

4.1 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centernature.ru main page is 4.1 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. 30% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 269.9 kB

  • Original 297.9 kB
  • After minification 295.0 kB
  • After compression 28.0 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 269.9 kB or 91% of the original size.

Image Optimization

-10%

Potential reduce by 339.0 kB

  • Original 3.5 MB
  • After minification 3.1 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. Centernature images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 66.2 kB

  • Original 301.7 kB
  • After minification 301.3 kB
  • After compression 235.5 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 66.2 kB or 22% of the original size.

CSS Optimization

-35%

Potential reduce by 13.6 kB

  • Original 39.2 kB
  • After minification 36.6 kB
  • After compression 25.6 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. Centernature.ru needs all CSS files to be minified and compressed as it can save up to 13.6 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (41%)

Requests Now

144

After Optimization

85

  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centernature. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centernature.ru

centernature.ru

2991 ms

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247 ms

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248 ms

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371 ms

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250 ms

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Accessibility Review

centernature.ru accessibility score

87

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

Best Practices

centernature.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

Page has valid source maps

SEO Factors

centernature.ru SEO score

90

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

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 Centernature.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 Centernature.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

centernature.ru

Open Graph data is detected on the main page of Centernature. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: