3 sec in total
668 ms
2.1 sec
278 ms
Welcome to kookan.jp homepage info - get ready to check Kookan best content right away, or after learning these important things about kookan.jp
株式会社空間計画提案室は、千葉・東京・埼玉・神奈川などの首都圏を中心に建築、新築、リフォーム、デザイナーズハウス、店舗デザイン、オフィスデザイン、ガーデンまで幅広い設計を行っている建築設計事務所です。オーダーメイド建築のための無料相談会も開催しておりますので、建築のことならお気軽にご相談ください!
Visit kookan.jpWe analyzed Kookan.jp page load time and found that the first response time was 668 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
kookan.jp performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value10.4 s
0/100
25%
Value15.9 s
0/100
10%
Value360 ms
72/100
30%
Value0.997
2/100
15%
Value10.3 s
25/100
10%
668 ms
187 ms
358 ms
349 ms
5 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 92% of them (24 requests) were addressed to the original Kookan.jp, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kookan.jp.
Page size can be reduced by 24.6 kB (13%)
194.4 kB
169.8 kB
In fact, the total size of Kookan.jp main page is 194.4 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. 15% of websites need less resources to load. Images take 165.2 kB which makes up the majority of the site volume.
Potential reduce by 7.0 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 7.0 kB or 66% of the original size.
Potential reduce by 7.6 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. Kookan images are well optimized though.
Potential reduce by 3.6 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 3.6 kB or 34% of the original size.
Potential reduce by 6.4 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. Kookan.jp needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 78% of the original size.
Number of requests can be reduced by 6 (24%)
25
19
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kookan. 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.
kookan.jp
668 ms
common.css
187 ms
top.css
358 ms
mt-site.js
349 ms
urchin.js
5 ms
IMG_5995.jpg
1052 ms
_SEK3136.jpg
546 ms
IMG_7518.jpg
554 ms
bg.gif
480 ms
logo.png
177 ms
img_tel.png
175 ms
top_main_01.jpg
676 ms
bg_navi_off.gif
346 ms
t_news_top.gif
361 ms
arrow_orange.gif
354 ms
t_diary_top.gif
371 ms
article_03.jpg
539 ms
banner_counsel.gif
543 ms
banner_visit_aozora.png
709 ms
banner_contact.gif
562 ms
banner_map.gif
650 ms
banner_profile.gif
729 ms
t_diary2.gif
723 ms
bg_td.gif
748 ms
bg_td_active.gif
815 ms
__utm.gif
5 ms
kookan.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
ARIA input fields do not have accessible names
ARIA toggle fields do not have accessible names
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
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.
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>).
kookan.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
kookan.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
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kookan.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 Kookan.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
kookan.jp
Open Graph description is not detected on the main page of Kookan. 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: