4.8 sec in total
528 ms
4.1 sec
218 ms
Visit rocky-international.co.jp now to see the best up-to-date ROCKY International content for Japan and also check out these interesting facts you probably never knew about rocky-international.co.jp
ロッキーインターナショナルでは、audio pro・QUAD・FOCAL・Zingali・Wharfedaleのスピーカーを輸入販売しています。
Visit rocky-international.co.jpWe analyzed Rocky-international.co.jp page load time and found that the first response time was 528 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
rocky-international.co.jp performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value12.5 s
0/100
25%
Value5.3 s
58/100
10%
Value650 ms
46/100
30%
Value0.478
18/100
15%
Value8.5 s
37/100
10%
528 ms
170 ms
319 ms
1173 ms
373 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that all of those requests were addressed to Rocky-international.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Rocky-international.co.jp.
Page size can be reduced by 245.2 kB (62%)
394.7 kB
149.5 kB
In fact, the total size of Rocky-international.co.jp main page is 394.7 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. 20% of websites need less resources to load. Javascripts take 241.8 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. This page needs HTML code to be minified as it can gain 5.5 kB, which is 14% of the original size. 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 83% of the original size.
Potential reduce by 0 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. ROCKY International images are well optimized though.
Potential reduce by 203.2 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 203.2 kB or 84% of the original size.
Potential reduce by 9.9 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. Rocky-international.co.jp needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 83% of the original size.
Number of requests can be reduced by 19 (35%)
55
36
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ROCKY International. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
rocky-international.co.jp
528 ms
rocky_base.css
170 ms
tree.css
319 ms
jquery.js
1173 ms
treemenu.js
373 ms
smoothscroll.js
369 ms
bg.gif
170 ms
top_logo.gif
169 ms
top_masu_a.gif
174 ms
top_login_a.gif
180 ms
top_01.gif
166 ms
top_btn_brand.gif
314 ms
top_brand_open.gif
322 ms
top_brand_focal.gif
327 ms
top_brand_quad.gif
336 ms
top_brand_wha.gif
358 ms
top_brand_audio.gif
357 ms
top_brand_scan_hover.gif
523 ms
top_brand_zing_b.gif
476 ms
top_btn_cata.gif
485 ms
top_btn_comp.gif
502 ms
top_btn_contact.gif
524 ms
top_02_2.jpg
1858 ms
top_03.gif
935 ms
top_04.gif
644 ms
top_05.gif
824 ms
top_06.gif
834 ms
top_07.gif
1033 ms
top_08.gif
811 ms
top_yaji_right.gif
970 ms
top_09.gif
989 ms
top_10.gif
993 ms
side_updata_focal.gif
1090 ms
side_updata_wha.gif
1128 ms
side_updata_quad.gif
1150 ms
side_updata_audiopro.gif
1148 ms
top_oldupdate_btn.gif
1201 ms
top_history.gif
1254 ms
top_his_audio.gif
1286 ms
top_his_quad.gif
1305 ms
top_his_focal.gif
1312 ms
top_footerlogo.gif
1371 ms
top_yaji_right_gray.gif
1261 ms
top_btn_comp_b.gif
158 ms
top_btn_contact_b.gif
160 ms
top_03_b.gif
327 ms
top_04_b.gif
171 ms
top_05_b.gif
311 ms
top_06_b.gif
182 ms
top_07_b.gif
468 ms
top_masu_b.gif
318 ms
top_login_b.gif
339 ms
top_brand_audio_b.gif
358 ms
top_brand_quad_b.gif
466 ms
top_brand_focal_b.gif
477 ms
top_brand_wha_b.gif
490 ms
rocky-international.co.jp 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
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.
rocky-international.co.jp 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
rocky-international.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rocky-international.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rocky-international.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.
rocky-international.co.jp
Open Graph description is not detected on the main page of ROCKY International. 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: