Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

centravis.com

Головна - Centravis

Page Load Speed

6.2 sec in total

First Response

786 ms

Resources Loaded

5 sec

Page Rendered

402 ms

centravis.com screenshot

About Website

Welcome to centravis.com homepage info - get ready to check Centravis best content for Ukraine right away, or after learning these important things about centravis.com

In a market characterised by an increasing demand for stainless steel tubes, our brand Centravis will be centred in between Western technology leaders and emerging challengers from the Far East by com...

Visit centravis.com

Key Findings

We analyzed Centravis.com page load time and found that the first response time was 786 ms and then it took 5.4 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

centravis.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value820 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

centravis.com

786 ms

page_387c573e0a4eac696dd13df640f1aaee.css

271 ms

template_71e1dd8c8b22ea45998e8fabc1838b73.css

271 ms

jquery-ui.css

278 ms

style.css

281 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 94% of them (64 requests) were addressed to the original Centravis.com, 3% (2 requests) were made to Bitrix.info and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Centravis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 897.5 kB (39%)

Content Size

2.3 MB

After Optimization

1.4 MB

In fact, the total size of Centravis.com main page is 2.3 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.0 kB

  • Original 26.0 kB
  • After minification 21.6 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 4.4 kB, which is 17% 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 20.0 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

  • Original 1.2 MB
  • After minification 1.2 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. Centravis images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 753.4 kB

  • Original 937.0 kB
  • After minification 635.2 kB
  • After compression 183.7 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 753.4 kB or 80% of the original size.

CSS Optimization

-82%

Potential reduce by 114.4 kB

  • Original 139.8 kB
  • After minification 107.4 kB
  • After compression 25.4 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. Centravis.com needs all CSS files to be minified and compressed as it can save up to 114.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (47%)

Requests Now

64

After Optimization

34

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centravis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

centravis.com accessibility score

89

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

[role]s are not contained by their required parent element

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.

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

centravis.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

centravis.com SEO score

89

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

    UK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centravis.com can be misinterpreted by Google and other search engines. Our service has detected that Ukrainian 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 Centravis.com 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 Centravis. 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: