5.8 sec in total
1.4 sec
4.2 sec
166 ms
Click here to check amazing Black Stone content. Otherwise, check out these important facts you probably never knew about black-stone.jp
地方のモノ、ヒト、環境を活かす会社 株式会社BlackStone 株式会社BlackStone
Visit black-stone.jpWe analyzed Black-stone.jp page load time and found that the first response time was 1.4 sec 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.
black-stone.jp performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value13.3 s
0/100
25%
Value7.3 s
29/100
10%
Value240 ms
86/100
30%
Value0.071
96/100
15%
Value5.0 s
76/100
10%
1357 ms
224 ms
368 ms
701 ms
370 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 65% of them (30 requests) were addressed to the original Black-stone.jp, 30% (14 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Black-stone.jp.
Page size can be reduced by 321.7 kB (37%)
877.3 kB
555.7 kB
In fact, the total size of Black-stone.jp main page is 877.3 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. 50% of websites need less resources to load. Images take 485.1 kB which makes up the majority of the site volume.
Potential reduce by 8.8 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 1.9 kB, which is 17% 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 8.8 kB or 79% of the original size.
Potential reduce by 5.6 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. Black Stone images are well optimized though.
Potential reduce by 150.0 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 150.0 kB or 73% of the original size.
Potential reduce by 157.3 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. Black-stone.jp needs all CSS files to be minified and compressed as it can save up to 157.3 kB or 89% of the original size.
Number of requests can be reduced by 19 (61%)
31
12
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Stone. 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 from 9 to 1 for CSS and as a result speed up the page load time.
black-stone.jp
1357 ms
reset.css
224 ms
960_24_col_responsive.css
368 ms
style.css
701 ms
superfish.css
370 ms
media.css
378 ms
animate.css
598 ms
jquery.js
608 ms
jquery-migrate.min.js
536 ms
superfish.js
558 ms
jquery.flexslider.js
573 ms
jquery.tipsy.js
707 ms
jquery.meanmenu.2.0.min.js
777 ms
jquery.meanmenu.options.js
805 ms
modernizr.custom.79639.js
830 ms
custom.js
813 ms
green.css
877 ms
jquery.ba-cond.js
866 ms
jquery.slitslider.js
1190 ms
slider-init.js
1005 ms
css
63 ms
css
78 ms
blackstone-logo250_73.jpg
280 ms
Ringo-BStop.jpg
2047 ms
slider2.jpg
918 ms
198-apple.jpg
452 ms
198-kome1.jpg
399 ms
198-sigoto.jpg
463 ms
4.jpg
728 ms
facebook-icon.png
698 ms
body-bg.png
851 ms
link.png
752 ms
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black-stone.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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
black-stone.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
black-stone.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 Black-stone.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 Black-stone.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.
black-stone.jp
Open Graph description is not detected on the main page of Black Stone. 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: