6.1 sec in total
1.1 sec
4.7 sec
300 ms
Welcome to kontrast.jp homepage info - get ready to check KONTRAST best content right away, or after learning these important things about kontrast.jp
ウェグナー他、ヴィンテージ北欧家具やセラミック等を扱うショッピングサイト。
Visit kontrast.jpWe analyzed Kontrast.jp page load time and found that the first response time was 1.1 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
kontrast.jp performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value5.2 s
23/100
25%
Value8.1 s
21/100
10%
Value2,890 ms
3/100
30%
Value0.271
45/100
15%
Value16.9 s
5/100
10%
1095 ms
356 ms
1067 ms
534 ms
1131 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 51% of them (42 requests) were addressed to the original Kontrast.jp, 24% (20 requests) were made to Static.xx.fbcdn.net and 15% (12 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kontrast.jp.
Page size can be reduced by 157.5 kB (37%)
426.5 kB
269.0 kB
In fact, the total size of Kontrast.jp main page is 426.5 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. 60% of websites need less resources to load. Images take 218.6 kB which makes up the majority of the site volume.
Potential reduce by 18.5 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 18.5 kB or 73% of the original size.
Potential reduce by 14.5 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. KONTRAST images are well optimized though.
Potential reduce by 120.0 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 120.0 kB or 68% of the original size.
Potential reduce by 4.5 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. Kontrast.jp needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 77% of the original size.
Number of requests can be reduced by 48 (59%)
81
33
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KONTRAST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
kontrast.jp
1095 ms
rollover.js
356 ms
jquery-1.2.2.min.js
1067 ms
jquery.page-scroller.js
534 ms
jquery.js
1131 ms
swfobject.js
799 ms
sifr_home.js
358 ms
common.css
358 ms
home.css
179 ms
add.css
201 ms
analytics.js
10 ms
nvbtn_cart.gif
180 ms
nvbtn_mail.gif
178 ms
nv_shopping_out.gif
203 ms
nv_works_out.gif
180 ms
nv_about_out.gif
180 ms
nv_news_out.gif
191 ms
nv_guide_out.gif
479 ms
nv_blog_out.gif
480 ms
h2_home2.jpg
480 ms
f_logo.jpg
579 ms
twitter.png
480 ms
sumallylogo.jpg
597 ms
instagram.png
531 ms
pop_home_160304.jpg
1104 ms
pop_home_160226.jpg
711 ms
pop_home_order_160210.jpg
944 ms
151207.jpg
1238 ms
pop_home_150911.jpg
1280 ms
photo_info_02.jpg
1797 ms
staff.jpg
1067 ms
mm1.jpg
1512 ms
btn_pagetop_out.gif
1245 ms
copyright.gif
1283 ms
all.js
84 ms
collect
45 ms
collect
84 ms
h1_home_10.jpg
2041 ms
dot.gif
1339 ms
likebox.php
181 ms
23 ms
xd_arbiter.php
31 ms
xd_arbiter.php
37 ms
ebiMDO3r-8l.css
44 ms
jGc-59L_9lo.css
46 ms
k5BhlqovqZn.css
55 ms
q68gy-v_YMF.js
60 ms
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80 ms
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54 ms
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97 ms
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24 ms
wL6VQj7Ab77.png
15 ms
s7jcwEQH7Sx.png
13 ms
gxbPuQdXIZP.png
14 ms
I6-MnjEovm5.js
6 ms
pQrUxxo5oQp.js
2 ms
nv_shopping_on.gif
181 ms
nv_works_on.gif
179 ms
nv_about_on.gif
203 ms
nv_news_on.gif
182 ms
nv_guide_on.gif
180 ms
nv_blog_on.gif
192 ms
btn_pagetop_on.gif
356 ms
kontrast.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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
kontrast.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
kontrast.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
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 Kontrast.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 Kontrast.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.
kontrast.jp
Open Graph description is not detected on the main page of KONTRAST. 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: