4.9 sec in total
536 ms
4.3 sec
145 ms
Visit rkcinst-usa.com now to see the best up-to-date RKC Instusa content and also check out these interesting facts you probably never knew about rkcinst-usa.com
RKC
Visit rkcinst-usa.comWe analyzed Rkcinst-usa.com page load time and found that the first response time was 536 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
rkcinst-usa.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value5.1 s
25/100
25%
Value7.2 s
29/100
10%
Value520 ms
56/100
30%
Value0.041
99/100
15%
Value7.3 s
49/100
10%
536 ms
376 ms
194 ms
389 ms
560 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rkcinst-usa.com, 82% (42 requests) were made to Rkcinst.co.jp and 4% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Rkcinst.co.jp.
Page size can be reduced by 84.4 kB (8%)
994.8 kB
910.5 kB
In fact, the total size of Rkcinst-usa.com main page is 994.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 878.6 kB which makes up the majority of the site volume.
Potential reduce by 41.7 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 41.7 kB or 82% of the original size.
Potential reduce by 33.1 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. RKC Instusa images are well optimized though.
Potential reduce by 50 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 9.5 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. Rkcinst-usa.com needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 21% of the original size.
Number of requests can be reduced by 20 (41%)
49
29
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RKC Instusa. 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 JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
rkcinst-usa.com
536 ms
376 ms
wp-emoji-release.min.js
194 ms
style.min.css
389 ms
classic-themes.min.css
560 ms
pagenavi-css.css
560 ms
style.css
575 ms
style.css
581 ms
pure-min.css
580 ms
font-awesome.min.css
581 ms
common.css
743 ms
home.css
744 ms
slick.css
765 ms
slick-theme.css
771 ms
page.css
772 ms
pc.css
774 ms
jquery-1.12.0.min.js
23 ms
common.js
927 ms
jquery-migrate-1.2.1.min.js
24 ms
slick.min.js
929 ms
grids-responsive-min.css
34 ms
gtm.js
105 ms
%E3%82%A2%E3%82%BB%E3%83%83%E3%83%88-19.png
283 ms
img_slide_01_01_03e.jpg
779 ms
img_home1.jpg
281 ms
img_home2.jpg
282 ms
img_home3a.jpg
557 ms
img_home4.jpg
281 ms
img_home5.jpg
374 ms
limitimg_top2.jpg
575 ms
img_home7.jpg
386 ms
img_home8a.jpg
580 ms
img_home9.jpg
561 ms
img_home10.jpg
579 ms
img_home11.jpg
742 ms
img_home12.jpg
747 ms
le100lt_01_01_01-e1566977714666.jpg
770 ms
img_home14.jpg
772 ms
img_home16b.jpg
967 ms
img_home17a.jpg
1113 ms
img_home19a.jpg
1120 ms
sa200l_banner_e_01_01_02.jpg
961 ms
thv10ne_banner_01_01_01.jpg
1154 ms
comme3ea_banner_01_01_01.jpg
967 ms
gz_banner_01_01_01e.jpg
1344 ms
ico_footer1.png
1160 ms
ajax-loader.gif
1117 ms
js
59 ms
analytics.js
22 ms
collect
15 ms
collect
125 ms
rkcinst-usa.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 input fields do not have accessible names
ARIA toggle fields do not have accessible names
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
Links do not have a discernible name
rkcinst-usa.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
rkcinst-usa.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 Rkcinst-usa.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 Rkcinst-usa.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.
rkcinst-usa.com
Open Graph data is detected on the main page of RKC Instusa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: