617 ms in total
127 ms
337 ms
153 ms
Visit forum.osdev.org now to see the best up-to-date Forum OSDev content for China and also check out these interesting facts you probably never knew about forum.osdev.org
Visit forum.osdev.orgWe analyzed Forum.osdev.org page load time and found that the first response time was 127 ms and then it took 490 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
forum.osdev.org performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.4 s
100/100
25%
Value1.2 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.2 s
100/100
10%
127 ms
36 ms
35 ms
69 ms
70 ms
Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Forum.osdev.org and no external sources were called. The less responsive or slowest element that took the longest time to load (132 ms) belongs to the original domain Forum.osdev.org.
Page size can be reduced by 41.9 kB (67%)
62.8 kB
20.9 kB
In fact, the total size of Forum.osdev.org main page is 62.8 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 10% of websites need less resources to load. HTML takes 38.4 kB which makes up the majority of the site volume.
Potential reduce by 33.6 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 33.6 kB or 87% of the original size.
Potential reduce by 66 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. Forum OSDev images are well optimized though.
Potential reduce by 8.2 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. Forum.osdev.org needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 82% of the original size.
Number of requests can be reduced by 12 (80%)
15
3
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum OSDev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
forum.osdev.org
127 ms
stylesheet.css
36 ms
background.gif
35 ms
osdev.png
69 ms
icon_mini_login.gif
70 ms
icon_mini_register.gif
71 ms
icon_mini_faq.gif
71 ms
icon_mini_search.gif
72 ms
cellpic1.gif
72 ms
cellpic3.gif
100 ms
cellpic2.jpg
101 ms
forum_read.gif
101 ms
icon_topic_latest.gif
102 ms
whosonline.gif
104 ms
forum_unread.gif
104 ms
forum_read_locked.gif
132 ms
forum.osdev.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Form elements do not have associated labels
Links do not have a discernible name
forum.osdev.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
forum.osdev.org SEO score
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Forum.osdev.org 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 Forum.osdev.org 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.
forum.osdev.org
Open Graph description is not detected on the main page of Forum OSDev. 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: