2.9 sec in total
242 ms
2.6 sec
59 ms
Visit rcsc.co.jp now to see the best up-to-date Rcsc content for Japan and also check out these interesting facts you probably never knew about rcsc.co.jp
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Visit rcsc.co.jpWe analyzed Rcsc.co.jp page load time and found that the first response time was 242 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
rcsc.co.jp performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value4.5 s
38/100
25%
Value9.2 s
13/100
10%
Value730 ms
40/100
30%
Value0
100/100
15%
Value13.5 s
11/100
10%
242 ms
29 ms
70 ms
1359 ms
55 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rcsc.co.jp, 36% (16 requests) were made to Static.parastorage.com and 29% (13 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Polyfill-fastly.io.
Page size can be reduced by 769.9 kB (62%)
1.3 MB
480.4 kB
In fact, the total size of Rcsc.co.jp 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. 45% of websites need less resources to load. HTML takes 900.4 kB which makes up the majority of the site volume.
Potential reduce by 718.6 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 718.6 kB or 80% of the original size.
Potential reduce by 3.1 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. Rcsc images are well optimized though.
Potential reduce by 48.1 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 48.1 kB or 16% of the original size.
Number of requests can be reduced by 11 (38%)
29
18
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rcsc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
www.rcsc.co.jp
242 ms
minified.js
29 ms
focus-within-polyfill.js
70 ms
polyfill.min.js
1359 ms
thunderbolt-commons.a79d872a.bundle.min.js
55 ms
main.cd290f82.bundle.min.js
61 ms
main.renderer.1d21f023.bundle.min.js
54 ms
lodash.min.js
58 ms
react.production.min.js
56 ms
react-dom.production.min.js
63 ms
siteTags.bundle.min.js
60 ms
wix-perf-measure.umd.min.js
61 ms
rc-logo-%E6%A8%AA-%E3%82%AD%E3%83%A3%E3%83%83%E3%83%81%E3%82%B3%E3%83%94%E3%83%BC-%E6%97%A5%E3%81%AE%E3%81%BF.png
299 ms
note.png
448 ms
event.png
501 ms
602883_9d5a894ea35145bd866965c86a87d64b~mv2.gif
310 ms
602883_5e16772cbd9d4420973335376b547ee8~mv2.png
312 ms
602883_b99d8c912bc1477a934587a7624054ee.gif
311 ms
602883_ef087ecb5ae746869e886136ef79a14f.gif
310 ms
602883_9a725983221f4971a34d9597176a2e87.gif
313 ms
602883_588c2fa02a6845e19c3a5c7655a4efc0~mv2.gif
314 ms
602883_7d99f5bb35cd47b599c6f412231e077d.gif
314 ms
OGP_4.png
532 ms
602883_6e32a8f3f1e04cc68f5e0039974595c9.gif
315 ms
602883_7cdb0d4edafb4da288fa38546c7cf858.gif
315 ms
bundle.min.js
61 ms
908c4810-64db-4b46-bb8e-823eb41f68c0.woff
45 ms
116 ms
104 ms
105 ms
108 ms
103 ms
98 ms
137 ms
137 ms
132 ms
139 ms
137 ms
139 ms
deprecation-ja.v5.html
5 ms
bolt-performance
22 ms
deprecation-style.v5.css
6 ms
right-arrow.svg
17 ms
WixMadeforDisplay_W_Bd.woff
4 ms
WixMadeforText_W_Rg.woff
4 ms
rcsc.co.jp accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
rcsc.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
rcsc.co.jp 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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rcsc.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Rcsc.co.jp 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.
rcsc.co.jp
Open Graph data is detected on the main page of Rcsc. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: