3.3 sec in total
153 ms
2.5 sec
664 ms
Click here to check amazing Robert Siciliano content for United States. Otherwise, check out these important facts you probably never knew about robertsiciliano.com
Cyber Security Speaker and Cyber Security Expert Robert Siciliano is the #1 Best Selling Amazon.com author and CEO of Safr.Me.
Visit robertsiciliano.comWe analyzed Robertsiciliano.com page load time and found that the first response time was 153 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
robertsiciliano.com performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value6.3 s
10/100
25%
Value13.1 s
2/100
10%
Value3,540 ms
1/100
30%
Value0.001
100/100
15%
Value21.1 s
1/100
10%
153 ms
43 ms
44 ms
132 ms
83 ms
Our browser made a total of 276 requests to load all elements on the main page. We found that 90% of them (249 requests) were addressed to the original Robertsiciliano.com, 1% (3 requests) were made to Facebook.com and 1% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (669 ms) belongs to the original domain Robertsiciliano.com.
Page size can be reduced by 896.8 kB (33%)
2.7 MB
1.8 MB
In fact, the total size of Robertsiciliano.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. 70% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 145.4 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. 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 145.4 kB or 83% of the original size.
Potential reduce by 228.9 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. Obviously, Robert Siciliano needs image optimization as it can save up to 228.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 299.0 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 299.0 kB or 65% of the original size.
Potential reduce by 223.5 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. Robertsiciliano.com needs all CSS files to be minified and compressed as it can save up to 223.5 kB or 83% of the original size.
Number of requests can be reduced by 42 (15%)
273
231
The browser has sent 273 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robert Siciliano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.
robertsiciliano.com
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robertsiciliano.com 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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
robertsiciliano.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
robertsiciliano.com 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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Robertsiciliano.com 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 Robertsiciliano.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.
robertsiciliano.com
Open Graph data is detected on the main page of Robert Siciliano. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: