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rbltracker.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

rbltracker.com

Free Blacklist Monitoring | Blacklist Check - RBLTracker

Page Load Speed

1.3 sec in total

First Response

112 ms

Resources Loaded

857 ms

Page Rendered

379 ms

rbltracker.com screenshot

About Website

Click here to check amazing RBLTracker content. Otherwise, check out these important facts you probably never knew about rbltracker.com

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Key Findings

We analyzed Rbltracker.com page load time and found that the first response time was 112 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

rbltracker.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value1,810 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value6.3 s

60/100

10%

Network Requests Diagram

rbltracker.com

112 ms

rbltracker.com

167 ms

css

71 ms

font-awesome.min.css

63 ms

shortcodes.css

65 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 85% of them (35 requests) were addressed to the original Rbltracker.com, 5% (2 requests) were made to Maxcdn.bootstrapcdn.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (362 ms) belongs to the original domain Rbltracker.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 666.0 kB (50%)

Content Size

1.3 MB

After Optimization

675.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rbltracker.com main page is 1.3 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. 25% of websites need less resources to load. Images take 793.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.1 kB

  • Original 36.9 kB
  • After minification 33.0 kB
  • After compression 6.8 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 3.9 kB, which is 11% 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 30.1 kB or 81% of the original size.

Image Optimization

-30%

Potential reduce by 240.0 kB

  • Original 793.7 kB
  • After minification 553.8 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, RBLTracker needs image optimization as it can save up to 240.0 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 160.4 kB

  • Original 235.7 kB
  • After minification 223.6 kB
  • After compression 75.3 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 160.4 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 235.5 kB

  • Original 275.3 kB
  • After minification 263.2 kB
  • After compression 39.8 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. Rbltracker.com needs all CSS files to be minified and compressed as it can save up to 235.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

38

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RBLTracker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rbltracker.com

rbltracker.com

112 ms

rbltracker.com

rbltracker.com

167 ms

css

css

71 ms

font-awesome.min.css

font-awesome.min.css

63 ms

shortcodes.css

shortcodes.css

65 ms

main.css

main.css

146 ms

jquery.min.js

jquery.min.js

59 ms

wpdevart_lightbox_front.css

wpdevart_lightbox_front.css

116 ms

effects_lightbox.css

effects_lightbox.css

121 ms

main.js

main.js

122 ms

feature-modal.js

feature-modal.js

125 ms

wp-embed.min.js

wp-embed.min.js

115 ms

wpdevart_lightbox_front.js

wpdevart_lightbox_front.js

208 ms

ga.js

ga.js

48 ms

logo-primary.png

logo-primary.png

89 ms

healthmonitor-1.png

healthmonitor-1.png

89 ms

alert-1.png

alert-1.png

89 ms

bonsai.png

bonsai.png

90 ms

registration-cta-desat.jpg

registration-cta-desat.jpg

139 ms

slack.png

slack.png

67 ms

hipchat.png

hipchat.png

89 ms

logo-twilio.png

logo-twilio.png

118 ms

datadog-1.png

datadog-1.png

117 ms

logo-pushover.png

logo-pushover.png

119 ms

logo-pagerduty.png

logo-pagerduty.png

121 ms

logo-twitter.png

logo-twitter.png

120 ms

logo-zabbix.png

logo-zabbix.png

150 ms

nagios.png

nagios.png

151 ms

client_logo8.png

client_logo8.png

155 ms

client_logo4.png

client_logo4.png

155 ms

client_logo6.png

client_logo6.png

155 ms

client_logo1.png

client_logo1.png

172 ms

client_logo3.png

client_logo3.png

181 ms

client_logo7.png

client_logo7.png

184 ms

client_logo5.png

client_logo5.png

188 ms

client_logo2.png

client_logo2.png

189 ms

Discord-logo-768x450.png

Discord-logo-768x450.png

314 ms

python-741x450.png

python-741x450.png

236 ms

talos_map-768x450.png

talos_map-768x450.png

362 ms

__utm.gif

__utm.gif

11 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

8 ms

Accessibility Review

rbltracker.com accessibility score

91

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

rbltracker.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

rbltracker.com SEO score

100

Search Engine Optimization Advices

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

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 Rbltracker.com 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 Rbltracker.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

rbltracker.com

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