Tools & Wizards About Us
rblock.co screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

rblock.co

Zinc | Award-winning employee background checking software

Page Load Speed

3.5 sec in total

First Response

32 ms

Resources Loaded

2.2 sec

Page Rendered

1.3 sec

rblock.co screenshot

About Website

Welcome to rblock.co homepage info - get ready to check Rblock best content for Russia right away, or after learning these important things about rblock.co

Automated pre-screening employment software for HR and recruiting teams. Verify candidates' background and hire at scale.

Visit rblock.co

Key Findings

We analyzed Rblock.co page load time and found that the first response time was 32 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rblock.co performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value4,950 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

rblock.co

32 ms

zinc.work

32 ms

zincwork.com

1556 ms

staging-app.d991e380a.min.css

53 ms

js

112 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rblock.co, 85% (127 requests) were made to Cdn.prod.website-files.com and 2% (3 requests) were made to Assets.website-files.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Zincwork.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.5 kB (19%)

Content Size

3.4 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rblock.co main page is 3.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 85.9 kB

  • Original 106.3 kB
  • After minification 105.8 kB
  • After compression 20.4 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 85.9 kB or 81% of the original size.

Image Optimization

-19%

Potential reduce by 549.2 kB

  • Original 3.0 MB
  • After minification 2.4 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. Obviously, Rblock needs image optimization as it can save up to 549.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 7.4 kB

  • Original 210.5 kB
  • After minification 210.5 kB
  • After compression 203.1 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 77.9 kB
  • After minification 77.9 kB
  • After compression 77.9 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. Rblock.co has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (17%)

Requests Now

143

After Optimization

118

  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rblock. 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 as a result speed up the page load time.

Network Requests Diagram

rblock.co

rblock.co

32 ms

zinc.work

zinc.work

32 ms

zincwork.com

zincwork.com

1556 ms

staging-app.d991e380a.min.css

staging-app.d991e380a.min.css

53 ms

js

js

112 ms

marketing.js

marketing.js

104 ms

mirrorclick.js

mirrorclick.js

42 ms

cmsslider.js

cmsslider.js

43 ms

jquery-3.5.1.min.dc5e7f18c8.js

jquery-3.5.1.min.dc5e7f18c8.js

41 ms

staging-app.f00321a69.js

staging-app.f00321a69.js

93 ms

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embed-v2

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261 ms

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222 ms

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Accessibility Review

rblock.co accessibility score

89

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

Heading elements are not in a sequentially-descending order

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

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

rblock.co best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

rblock.co SEO score

87

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rblock.co can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Rblock.co 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

rblock.co

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