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blackhat.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

blackhat.com

Black Hat | Home

Page Load Speed

21 sec in total

First Response

597 ms

Resources Loaded

11 sec

Page Rendered

9.5 sec

blackhat.com screenshot

About Website

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.com

Key Findings

We 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.

Performance Metrics

blackhat.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value1,510 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.477

18/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

Network Requests Diagram

blackhat.com

597 ms

screen.css

1145 ms

grid.css

1062 ms

style.css

1049 ms

superfooter-2015b.css

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 Optimization Overview & Recommendations

Page size can be reduced by 292.5 kB (11%)

Content Size

2.7 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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.

HTML Optimization

-88%

Potential reduce by 38.3 kB

  • Original 43.6 kB
  • After minification 26.6 kB
  • After compression 5.4 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.

Image Optimization

-5%

Potential reduce by 110.0 kB

  • Original 2.4 MB
  • After minification 2.3 MB

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.

JavaScript Optimization

-65%

Potential reduce by 98.7 kB

  • Original 152.1 kB
  • After minification 147.6 kB
  • After compression 53.4 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.

CSS Optimization

-80%

Potential reduce by 45.5 kB

  • Original 56.6 kB
  • After minification 41.9 kB
  • After compression 11.1 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.

Requests Breakdown

Number of requests can be reduced by 12 (16%)

Requests Now

73

After Optimization

61

  • Images
  • JavaScript
  • CSS

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.

Network Requests Diagram

blackhat.com

blackhat.com

597 ms

screen.css

screen.css

1145 ms

grid.css

grid.css

1062 ms

style.css

style.css

1049 ms

superfooter-2015b.css

superfooter-2015b.css

1063 ms

h_s_code_remote.js

h_s_code_remote.js

1488 ms

cssmenu.green.css

cssmenu.green.css

832 ms

trainings.css

trainings.css

831 ms

style-green.css

style-green.css

850 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1077 ms

green.css

green.css

849 ms

icheck.min.js

icheck.min.js

849 ms

jquery.slides.min.js

jquery.slides.min.js

849 ms

slides.init.js

slides.init.js

849 ms

slideshow.css

slideshow.css

1075 ms

BH_BodyBG.png

BH_BodyBG.png

861 ms

main-webcast-2016.png

main-webcast-2016.png

1654 ms

s71875694333575

s71875694333575

2428 ms

home.png

home.png

2428 ms

triangle.green.png

triangle.green.png

2425 ms

social-email-over.png

social-email-over.png

2718 ms

social-email.png

social-email.png

2462 ms

social-fb-over.png

social-fb-over.png

2719 ms

social-fb.png

social-fb.png

2718 ms

social-tw-over.png

social-tw-over.png

2950 ms

social-tw.png

social-tw.png

2394 ms

social-in-over.png

social-in-over.png

2632 ms

social-in.png

social-in.png

2394 ms

social-youtube-over.png

social-youtube-over.png

2430 ms

social-youtube.png

social-youtube.png

2449 ms

social-google-over.png

social-google-over.png

2538 ms

social-google.png

social-google.png

2483 ms

social-fk-over.png

social-fk-over.png

2399 ms

social-fk.png

social-fk.png

2441 ms

logo.png

logo.png

2485 ms

08282017-eu-scholarship.png

08282017-eu-scholarship.png

2533 ms

arrow_right_black.png

arrow_right_black.png

2481 ms

06222017-bheu17.png

06222017-bheu17.png

2789 ms

08042017-audience.png

08042017-audience.png

2494 ms

08042017-usa-materials.png

08042017-usa-materials.png

2789 ms

08042017-usa-train.png

08042017-usa-train.png

2694 ms

07082017-eu-call-for-tools.png

07082017-eu-call-for-tools.png

2683 ms

content-title-wrapper.png

content-title-wrapper.png

2765 ms

bullet.png

bullet.png

2663 ms

Dino-Dai-Zovi-g.png

Dino-Dai-Zovi-g.png

2743 ms

Chris-Wysopal-g.png

Chris-Wysopal-g.png

2744 ms

Robert-Hansen-g.jpg

Robert-Hansen-g.jpg

2662 ms

Kymberlee-Price-g.png

Kymberlee-Price-g.png

2742 ms

Jeff-Horne-g.png

Jeff-Horne-g.png

2745 ms

Stefano-Zanero-g.jpg

Stefano-Zanero-g.jpg

2513 ms

Russ-Rogers.jpg

Russ-Rogers.jpg

2512 ms

Ping-Look-g.jpg

Ping-Look-g.jpg

2639 ms

Jon-Squire-g.png

Jon-Squire-g.png

2605 ms

main-youtube-2016.png

main-youtube-2016.png

2604 ms

Bart-Stump-g.png

Bart-Stump-g.png

2604 ms

neil-wyler_bw.png

neil-wyler_bw.png

1286 ms

Trey-Ford-g.jpg

Trey-Ford-g.jpg

1222 ms

right-col-title-background.png

right-col-title-background.png

1020 ms

right-col-background.png

right-col-background.png

1018 ms

accenture-mar17-white.png

accenture-mar17-white.png

1017 ms

crowdstrike-oct16-white-270x114.png

crowdstrike-oct16-white-270x114.png

1065 ms

cylance-sept15-white.png

cylance-sept15-white.png

1016 ms

darkmatter-sept15-white.png

darkmatter-sept15-white.png

828 ms

HP-May13-White.png

HP-May13-White.png

812 ms

iboss-June14-White.png

iboss-June14-White.png

795 ms

malwarebytes-sept16-white.png

malwarebytes-sept16-white.png

1021 ms

Qualys-Jan14-White.png

Qualys-Jan14-White.png

1116 ms

rsa-apr16-white.png

rsa-apr16-white.png

1110 ms

sentinelone-may16-white.png

sentinelone-may16-white.png

1097 ms

ServiceNow-Jun17-white.png

ServiceNow-Jun17-white.png

1306 ms

tenable-mar17-white.png

tenable-mar17-white.png

1290 ms

logo_ubm_white.png

logo_ubm_white.png

1305 ms

08282017-eu-scholarship.png

08282017-eu-scholarship.png

367 ms

loading.gif

loading.gif

542 ms

pagination.png

pagination.png

319 ms

Accessibility Review

blackhat.com accessibility score

91

Accessibility Issues

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Best Practices

blackhat.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

blackhat.com SEO score

91

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    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.

Social Sharing Optimization

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: