Tools & Wizards About Us
rbldns.ru screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

rbldns.ru

Home

Page Load Speed

2.4 sec in total

First Response

241 ms

Resources Loaded

2 sec

Page Rendered

80 ms

rbldns.ru screenshot

About Website

Welcome to rbldns.ru homepage info - get ready to check Rbldns best content for United States right away, or after learning these important things about rbldns.ru

Blacklist, SPAM, antiSPAM, RBL, DNSBL

Visit rbldns.ru

Key Findings

We analyzed Rbldns.ru page load time and found that the first response time was 241 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rbldns.ru performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

241 ms

bootstrap-frontend.min.css

107 ms

bootstrap-responsive-frontend.min.css

207 ms

system.css

212 ms

general.css

274 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 70% of them (35 requests) were addressed to the original Rbldns.ru, 20% (10 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (725 ms) belongs to the original domain Rbldns.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.6 kB (20%)

Content Size

282.6 kB

After Optimization

225.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rbldns.ru main page is 282.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 169.4 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 37.4 kB

  • Original 44.0 kB
  • After minification 43.0 kB
  • After compression 6.6 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. 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 37.4 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 3.2 kB

  • Original 27.6 kB
  • After minification 24.3 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. Obviously, Rbldns needs image optimization as it can save up to 3.2 kB or 12% 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 7.5 kB

  • Original 169.4 kB
  • After minification 169.2 kB
  • After compression 161.9 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

-23%

Potential reduce by 9.5 kB

  • Original 41.6 kB
  • After minification 41.6 kB
  • After compression 32.2 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. Rbldns.ru needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (73%)

Requests Now

37

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rbldns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

241 ms

bootstrap-frontend.min.css

bootstrap-frontend.min.css

107 ms

bootstrap-responsive-frontend.min.css

bootstrap-responsive-frontend.min.css

207 ms

system.css

system.css

212 ms

general.css

general.css

274 ms

template.css

template.css

220 ms

template_pro.css

template_pro.css

216 ms

green.css

green.css

215 ms

business.css

business.css

308 ms

jsn_iconlinks.css

jsn_iconlinks.css

327 ms

jsn_wide.css

jsn_wide.css

328 ms

jsn_mobile.css

jsn_mobile.css

328 ms

custom.css

custom.css

332 ms

modal.css

modal.css

379 ms

template.css

template.css

411 ms

maximenuck.php

maximenuck.php

438 ms

maximenuck.css

maximenuck.css

433 ms

mootools-core.js

mootools-core.js

542 ms

core.js

core.js

439 ms

caption.js

caption.js

605 ms

mootools-more.js

mootools-more.js

725 ms

noconflict.js

noconflict.js

537 ms

utils.js

utils.js

544 ms

jsn_template.js

jsn_template.js

544 ms

modal.js

modal.js

642 ms

jquery.min.js

jquery.min.js

7 ms

system.css

system.css

440 ms

css

css

45 ms

ga.js

ga.js

69 ms

logo.png

logo.png

114 ms

logo.png

logo.png

114 ms

transparent.gif

transparent.gif

115 ms

ru.gif

ru.gif

106 ms

es.gif

es.gif

109 ms

en.gif

en.gif

113 ms

block_junk_mail_64x64.png

block_junk_mail_64x64.png

209 ms

top.png

top.png

213 ms

watch.js

watch.js

14 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

30 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQUwaEQXjN_mQ.woff

34 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4vaVQUwaEQXjN_mQ.woff

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41 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B5OaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B5OaVQUwaEQXjN_mQ.woff

70 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B5caVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B5caVQUwaEQXjN_mQ.woff

51 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4iaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4iaVQUwaEQXjN_mQ.woff

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4jaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4jaVQUwaEQXjN_mQ.woff

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4saVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4saVQUwaEQXjN_mQ.woff

49 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4kaVQUwaEQXjN_mQ.woff

50 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4taVQUwaEQXjN_mQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4taVQUwaEQXjN_mQ.woff

54 ms

__utm.gif

__utm.gif

19 ms

print.css

print.css

108 ms

Accessibility Review

rbldns.ru accessibility score

92

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

Links do not have a discernible name

Best Practices

rbldns.ru best practices score

67

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

Browser errors were logged to the console

SEO Factors

rbldns.ru SEO score

91

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 Rbldns.ru 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 Rbldns.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

rbldns.ru

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