600 ms in total
87 ms
210 ms
303 ms
Click here to check amazing Dirac content for United States. Otherwise, check out these important facts you probably never knew about dirac.org
Peter Jay Salzman's personal web page.
Visit dirac.orgWe analyzed Dirac.org page load time and found that the first response time was 87 ms and then it took 513 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.
dirac.org performance score
name
value
score
weighting
Value1.3 s
98/100
10%
Value1.7 s
99/100
25%
Value1.3 s
100/100
10%
Value0 ms
100/100
30%
Value0.011
100/100
15%
Value1.3 s
100/100
10%
87 ms
115 ms
115 ms
48 ms
58 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 Dirac.org and no external sources were called. The less responsive or slowest element that took the longest time to load (115 ms) belongs to the original domain Dirac.org.
Page size can be reduced by 25.3 kB (6%)
392.2 kB
366.9 kB
In fact, the total size of Dirac.org main page is 392.2 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. Images take 373.3 kB which makes up the majority of the site volume.
Potential reduce by 13.2 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 13.2 kB or 70% of the original size.
Potential reduce by 12.1 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. Dirac images are well optimized though.
We found no issues to fix!
15
15
The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dirac. According to our analytics all requests are already optimized.
dirac.org
87 ms
pen.png
115 ms
lizard.gif
115 ms
monopoly.jpg
48 ms
bm.jpg
58 ms
tardis1.jpg
66 ms
tux.png
30 ms
earth.gif
60 ms
vf1100c.jpg
34 ms
lespaul.png
55 ms
mybook.jpg
67 ms
anyBrowser.png
62 ms
mysql.png
65 ms
vim.png
65 ms
linux.png
73 ms
apache.png
76 ms
dirac.org accessibility score
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
Image elements do not have [alt] attributes
dirac.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
dirac.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dirac.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 Dirac.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.
dirac.org
Open Graph description is not detected on the main page of Dirac. 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: