21 sec in total
597 ms
11 sec
9.5 sec
Visit blackhat.com now to see the best up-to-date Black Hat content for United States and also check out these interesting facts you probably never knew about blackhat.com
Black Hat is the most technical and relevant global information security event series in the world. These high-profile global events and Trainings are driven by the needs of the security community, st...
Visit blackhat.comWe analyzed Blackhat.com page load time and found that the first response time was 597 ms and then it took 20.4 sec 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.
blackhat.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value7.6 s
4/100
25%
Value5.2 s
60/100
10%
Value1,510 ms
14/100
30%
Value0.477
18/100
15%
Value7.5 s
48/100
10%
597 ms
1145 ms
1062 ms
1049 ms
1063 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 97% of them (73 requests) were addressed to the original Blackhat.com, 1% (1 request) were made to Twimgs.com and 1% (1 request) were made to Cmp.d3.sc.omtrdc.net. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Blackhat.com.
Page size can be reduced by 292.5 kB (11%)
2.7 MB
2.4 MB
In fact, the total size of Blackhat.com main page is 2.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 38.3 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 17.1 kB, which is 39% 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 38.3 kB or 88% of the original size.
Potential reduce by 110.0 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. Black Hat images are well optimized though.
Potential reduce by 98.7 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 98.7 kB or 65% of the original size.
Potential reduce by 45.5 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. Blackhat.com needs all CSS files to be minified and compressed as it can save up to 45.5 kB or 80% of the original size.
Number of requests can be reduced by 12 (16%)
73
61
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Hat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
blackhat.com
597 ms
screen.css
1145 ms
grid.css
1062 ms
style.css
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superfooter-2015b.css
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h_s_code_remote.js
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cssmenu.green.css
832 ms
trainings.css
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style-green.css
850 ms
jquery-1.11.3.min.js
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green.css
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icheck.min.js
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jquery.slides.min.js
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slides.init.js
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slideshow.css
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319 ms
blackhat.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
blackhat.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
blackhat.com SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackhat.com 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 Blackhat.com 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.
blackhat.com
Open Graph data is detected on the main page of Black Hat. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: