Access refs.pm. Apache HTTP Server Test Page powered by CentOS

Z13X

250 ms

style.css

16 ms

pure-min.css

4 ms

adsbygoogle.js

23 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Refs.pm, 25% (1 request) were made to Yui.yahooapis.com and 25% (1 request) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (250 ms) relates to the external source Urls.pm.

Content Size

7.6 kB

After Optimization

2.1 kB

In fact, the total size of Refs.pm main page is 7.6 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. Only 5% of websites need less resources to load. HTML takes 5.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 4.3 kB

Original 5.9 kB
After minification 5.7 kB
After compression 1.6 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 4.3 kB or 73% of the original size.

CSS Optimization

-71%

Potential reduce by 1.2 kB

Original 1.7 kB
After minification 1.4 kB
After compression 504 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. Refs.pm needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 71% of the original size.

Requests Now

After Optimization

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Refs. According to our analytics all requests are already optimized.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Refs.pm 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 Refs.pm main page’s claimed encoding is . 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.

Social Sharing Optimization

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