505 ms in total
196 ms
308 ms
1 ms
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Visit rbl.efnetrbl.orgWe analyzed Rbl.efnetrbl.org page load time and found that the first response time was 196 ms and then it took 309 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
rbl.efnetrbl.org performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value2.0 s
97/100
25%
Value2.0 s
99/100
10%
Value270 ms
82/100
30%
Value0.031
100/100
15%
Value5.0 s
76/100
10%
196 ms
34 ms
44 ms
2 ms
2 ms
Our browser made a total of 5 requests to load all elements on the main page. We found that 40% of them (2 requests) were addressed to the original Rbl.efnetrbl.org, 60% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (196 ms) belongs to the original domain Rbl.efnetrbl.org.
Page size can be reduced by 100.1 kB (68%)
147.3 kB
47.2 kB
In fact, the total size of Rbl.efnetrbl.org main page is 147.3 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. 15% of websites need less resources to load. Javascripts take 136.4 kB which makes up the majority of the site volume.
Potential reduce by 6.4 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 6.4 kB or 64% of the original size.
Potential reduce by 93.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 93.1 kB or 68% of the original size.
Potential reduce by 698 B
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. Rbl.efnetrbl.org needs all CSS files to be minified and compressed as it can save up to 698 B or 68% of the original size.
We found no issues to fix!
4
4
The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RBL EFnet. According to our analytics all requests are already optimized.
rbl.efnetrbl.org
196 ms
style.css
34 ms
challenge
44 ms
recaptcha.js
2 ms
qDxV5IgfWRXSMyE8H-GdchA4RBqoB1luQNbETPjl1dY.js
2 ms
rbl.efnetrbl.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
rbl.efnetrbl.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
rbl.efnetrbl.org SEO score
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rbl.efnetrbl.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rbl.efnetrbl.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
rbl.efnetrbl.org
Open Graph description is not detected on the main page of RBL EFnet. 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: