3 sec in total
421 ms
2.1 sec
450 ms
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Visit kbb.comWe analyzed Kbb.com page load time and found that the first response time was 421 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
kbb.com performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value3.7 s
58/100
25%
Value8.0 s
21/100
10%
Value16,990 ms
0/100
30%
Value0
100/100
15%
Value37.0 s
0/100
10%
421 ms
705 ms
853 ms
852 ms
855 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 11% of them (4 requests) were addressed to the original Kbb.com, 16% (6 requests) were made to File.kbb.com and 11% (4 requests) were made to Static.kbb.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source File.kelleybluebookimages.com.
Page size can be reduced by 597.5 kB (52%)
1.2 MB
560.9 kB
In fact, the total size of Kbb.com main page is 1.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 636.1 kB which makes up the majority of the site volume.
Potential reduce by 374.6 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 374.6 kB or 82% of the original size.
Potential reduce by 998 B
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. Kbb images are well optimized though.
Potential reduce by 221.9 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 221.9 kB or 35% of the original size.
Number of requests can be reduced by 15 (41%)
37
22
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kbb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
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kbb.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-*] attributes do not match their roles
kbb.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
kbb.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kbb.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 Kbb.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.
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kbb.com
Open Graph data is detected on the main page of Kbb. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: