5.6 sec in total
1 sec
4.3 sec
255 ms
Welcome to as-core.co.jp homepage info - get ready to check As Core best content for Japan right away, or after learning these important things about as-core.co.jp
ピュアオーディオやホームシアターなどを中心に、オーディオアクセサリーを販売しています。音響設計・ホームシアターインストール設計の実績も紹介しています。
Visit as-core.co.jpWe analyzed As-core.co.jp page load time and found that the first response time was 1 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
as-core.co.jp performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value14.8 s
0/100
25%
Value10.5 s
7/100
10%
Value750 ms
40/100
30%
Value0.154
75/100
15%
Value13.5 s
11/100
10%
1012 ms
333 ms
344 ms
1289 ms
371 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 97% of them (60 requests) were addressed to the original As-core.co.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain As-core.co.jp.
Page size can be reduced by 225.7 kB (23%)
993.0 kB
767.3 kB
In fact, the total size of As-core.co.jp main page is 993.0 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. 35% of websites need less resources to load. Images take 727.6 kB which makes up the majority of the site volume.
Potential reduce by 12.1 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 2.8 kB, which is 18% 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 12.1 kB or 76% of the original size.
Potential reduce by 24.4 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. As Core images are well optimized though.
Potential reduce by 157.6 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 157.6 kB or 75% of the original size.
Potential reduce by 31.6 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. As-core.co.jp needs all CSS files to be minified and compressed as it can save up to 31.6 kB or 80% of the original size.
Number of requests can be reduced by 27 (44%)
61
34
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of As Core. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
as-core.co.jp
1012 ms
import.css
333 ms
lightbox.css
344 ms
prototype.js
1289 ms
scriptaculous.js
371 ms
lightbox.js
742 ms
styleswitcher.js
496 ms
common.css
181 ms
structure.css
191 ms
editorial.css
405 ms
information.css
330 ms
about-core.css
350 ms
web-shop.css
365 ms
our_works.css
494 ms
contact.css
520 ms
privacy.css
540 ms
guide.css
587 ms
effects.js
353 ms
builder.js
167 ms
texture.jpg
178 ms
texture.jpg
167 ms
texture_skin.jpg
373 ms
logo.jpg
185 ms
fontsize_title.jpg
173 ms
fontsize_nav_standard.jpg
187 ms
fontsize_nav_large.jpg
332 ms
webshop_title.jpg
343 ms
webshop_nav_core.jpg
353 ms
webshop_nav_repair.jpg
369 ms
webshop_nav_used.jpg
371 ms
main_visual.jpg
1487 ms
guide_nav.jpg
853 ms
information_title.jpg
529 ms
feed.gif
553 ms
more_nav.gif
554 ms
coreblog_title.jpg
557 ms
about_title.jpg
705 ms
about_txt.gif
737 ms
about_pic.jpg
920 ms
service_title.jpg
742 ms
service_icon.gif
881 ms
shop_title.jpg
922 ms
shop_pic.jpg
928 ms
subcon_shop_pic.jpg
1021 ms
subcon_shop_nav_core.jpg
1057 ms
subcon_shop_nav_used.jpg
1104 ms
subcon_shop_nav_repair.jpg
1104 ms
core_blog_banner.jpg
1114 ms
footer_area_texture.jpg
1360 ms
footer_texture.jpg
1408 ms
webshop_footer_title.jpg
1291 ms
webshop_footer_nav_core.jpg
1290 ms
webshop_footer_nav_used.jpg
1299 ms
webshop_footer_nav_repair.jpg
1475 ms
ga.js
5 ms
shop_pic.jpg
1441 ms
__utm.gif
12 ms
footer_map_nav.gif
1325 ms
loading.gif
1364 ms
closelabel.gif
1414 ms
style-st.css
179 ms
style-l.css
179 ms
as-core.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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
as-core.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
as-core.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise As-core.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 As-core.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.
as-core.co.jp
Open Graph description is not detected on the main page of As Core. 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: