448 ms in total
Welcome to libpng.org homepage info - get ready to check Libpng best content for United States right away, or after learning these important things about libpng.orgVisit libpng.org
We analyzed Libpng.org page load time and found that the first response time was 117 ms and then it took 331 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.
libpng.org performance score
Our browser made a total of 6 requests to load all elements on the main page. We found that 83% of them (5 requests) were addressed to the original Libpng.org, 17% (1 request) were made to Sourceforge.net. The less responsive or slowest element that took the longest time to load (117 ms) belongs to the original domain Libpng.org.
Page size can be reduced by 1.9 kB (18%)
In fact, the total size of Libpng.org main page is 10.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 7.6 kB which makes up the majority of the site volume.
Potential reduce by 1.9 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 465 B, which is 16% 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 1.9 kB or 64% of the original size.
Potential reduce by 7 B
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. Libpng images are well optimized though.
We found no issues to fix!
libpng.org accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
libpng.org best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Serves images with low resolution
libpng.org SEO score
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libpng.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 Libpng.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.
Open Graph description is not detected on the main page of Libpng. 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: