Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

Page Load Speed

7.6 sec in total

First Response

2.2 sec

Resources Loaded

5.2 sec

Page Rendered

252 ms

reactor.org.ua screenshot

About Website

Welcome to reactor.org.ua homepage info - get ready to check Reactor best content right away, or after learning these important things about reactor.org.ua

Visit reactor.org.ua

Key Findings

We analyzed Reactor.org.ua page load time and found that the first response time was 2.2 sec 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

reactor.org.ua performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.229

54/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

www.reactor.org.ua

2179 ms

plugins.css

289 ms

main.css

370 ms

media.css

190 ms

style.css

193 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Reactor.org.ua and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Reactor.org.ua.

Page Optimization Overview & Recommendations

Page size can be reduced by 765.6 kB (73%)

Content Size

1.0 MB

After Optimization

276.2 kB

In fact, the total size of Reactor.org.ua main page is 1.0 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. CSS take 565.9 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.4 kB

  • Original 34.0 kB
  • After minification 29.4 kB
  • After compression 5.6 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 4.6 kB, which is 14% 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 28.4 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 7.2 kB

  • Original 111.1 kB
  • After minification 103.9 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. Reactor images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 235.6 kB

  • Original 330.8 kB
  • After minification 322.4 kB
  • After compression 95.2 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 235.6 kB or 71% of the original size.

CSS Optimization

-87%

Potential reduce by 494.4 kB

  • Original 565.9 kB
  • After minification 454.2 kB
  • After compression 71.5 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. Reactor.org.ua needs all CSS files to be minified and compressed as it can save up to 494.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (23%)

Requests Now

26

After Optimization

20

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reactor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

reactor.org.ua accessibility score

66

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

reactor.org.ua 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

reactor.org.ua SEO score

85

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reactor.org.ua 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 Reactor.org.ua 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 Reactor. 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: