2.5 sec in total
180 ms
2.1 sec
208 ms
Visit koolertron.com now to see the best up-to-date Koolertron content for United States and also check out these interesting facts you probably never knew about koolertron.com
Koolertron is the brand of China HONG KONG KARSTONE TECHNOLOGY CO., LIMITED .We design and produce the latest, most fashionable and best products for the world.Currently our main products are Best Sin...
Visit koolertron.comWe analyzed Koolertron.com page load time and found that the first response time was 180 ms and then it took 2.3 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.
koolertron.com performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value21.8 s
0/100
25%
Value15.8 s
0/100
10%
Value530 ms
55/100
30%
Value0.013
100/100
15%
Value20.6 s
2/100
10%
180 ms
506 ms
69 ms
144 ms
142 ms
Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Koolertron.com, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (698 ms) belongs to the original domain Koolertron.com.
Page size can be reduced by 598.9 kB (22%)
2.7 MB
2.1 MB
In fact, the total size of Koolertron.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. 35% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 18.2 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 18.2 kB or 76% of the original size.
Potential reduce by 461.5 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, Koolertron needs image optimization as it can save up to 461.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 84.8 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 84.8 kB or 64% of the original size.
Potential reduce by 34.3 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. Koolertron.com needs all CSS files to be minified and compressed as it can save up to 34.3 kB or 80% of the original size.
Number of requests can be reduced by 7 (21%)
33
26
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koolertron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.
koolertron.com
180 ms
www.koolertron.com
506 ms
style_imagehover.css
69 ms
style_wei.css
144 ms
stylesheet.css
142 ms
stylesheet_css_buttons.css
139 ms
stylesheet_koolertron.css
139 ms
stylesheet_left_nav.css
142 ms
stylesheet_zen_lightbox.css
142 ms
jscript_imagehover.js
216 ms
jscript_imagehover_obd.js
278 ms
logo.png
142 ms
search_pic.jpg
111 ms
menu_x.jpg
112 ms
menu_x02.jpg
113 ms
banner01.jpg
506 ms
banner02.jpg
436 ms
banner04.jpg
565 ms
banner05.jpg
519 ms
banner06.jpg
531 ms
AS-KLMH80.png
638 ms
AS-KSFB33-GN.png
626 ms
AS-DFTJ25.png
698 ms
Koolertron_Bluetooth_Keyboard_Case.JPG
585 ms
facebook.gif
596 ms
google.gif
629 ms
analytics.js
32 ms
top_bg02.jpg
631 ms
menu_bg01.jpg
579 ms
menu_bg02.jpg
609 ms
menu_bg03.jpg
613 ms
content_bg.jpg
597 ms
video-bj.jpg
621 ms
sprite.png
655 ms
collect
14 ms
error403.php
69 ms
index.php
370 ms
print_stylesheet.css
67 ms
koolertron.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-hidden="true"] elements contain focusable descendents
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
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
koolertron.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
koolertron.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Koolertron.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 Koolertron.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.
koolertron.com
Open Graph description is not detected on the main page of Koolertron. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: