3.4 sec in total
501 ms
2.6 sec
237 ms
Visit jonathankellerman.com now to see the best up-to-date Jonathan Kellerman content and also check out these interesting facts you probably never knew about jonathankellerman.com
Psychologist, Best-Selling Novelist. Jonathan Kellerman is an American psychologist, and Edgar and Anthony Award-winning author of numerous bestselling suspense novels.
Visit jonathankellerman.comWe analyzed Jonathankellerman.com page load time and found that the first response time was 501 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
jonathankellerman.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value10.2 s
0/100
25%
Value9.4 s
12/100
10%
Value270 ms
81/100
30%
Value0.165
71/100
15%
Value9.7 s
28/100
10%
501 ms
57 ms
513 ms
463 ms
28 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 35% of them (17 requests) were addressed to the original Jonathankellerman.com, 27% (13 requests) were made to Fonts.gstatic.com and 13% (6 requests) were made to Images.randomhouse.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Jonathankellerman.com.
Page size can be reduced by 264.6 kB (21%)
1.3 MB
1.0 MB
In fact, the total size of Jonathankellerman.com main page is 1.3 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. 60% of websites need less resources to load. Images take 951.8 kB which makes up the majority of the site volume.
Potential reduce by 32.1 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 32.1 kB or 77% of the original size.
Potential reduce by 44.3 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. Jonathan Kellerman images are well optimized though.
Potential reduce by 83.9 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 83.9 kB or 64% of the original size.
Potential reduce by 104.2 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. Jonathankellerman.com needs all CSS files to be minified and compressed as it can save up to 104.2 kB or 72% of the original size.
Number of requests can be reduced by 14 (45%)
31
17
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jonathan Kellerman. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.jonathankellerman.com
501 ms
wp-emoji-release.min.js
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style.css
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cff-style.css
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font-awesome.min.css
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jonathankellerman.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.
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
Links do not have a discernible name
jonathankellerman.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
jonathankellerman.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Jonathankellerman.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 Jonathankellerman.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.
jonathankellerman.com
Open Graph data is detected on the main page of Jonathan Kellerman. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: