6.3 sec in total
646 ms
5.5 sec
154 ms
Welcome to open-circuit.ne.jp homepage info - get ready to check Open Circuit best content for Japan right away, or after learning these important things about open-circuit.ne.jp
Visit open-circuit.ne.jpWe analyzed Open-circuit.ne.jp page load time and found that the first response time was 646 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
open-circuit.ne.jp performance score
name
value
score
weighting
Value4.5 s
16/100
10%
Value4.6 s
34/100
25%
Value7.0 s
32/100
10%
Value430 ms
64/100
30%
Value0.039
99/100
15%
Value8.0 s
42/100
10%
646 ms
1643 ms
857 ms
450 ms
726 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 73% of them (51 requests) were addressed to the original Open-circuit.ne.jp, 11% (8 requests) were made to Apis.google.com and 9% (6 requests) were made to Trustlogo.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Open-circuit.ne.jp.
Page size can be reduced by 55.7 kB (32%)
176.1 kB
120.4 kB
In fact, the total size of Open-circuit.ne.jp main page is 176.1 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. 30% of websites need less resources to load. Images take 83.5 kB which makes up the majority of the site volume.
Potential reduce by 16.8 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 2.5 kB, which is 11% 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 16.8 kB or 72% of the original size.
Potential reduce by 1.7 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. Open Circuit images are well optimized though.
Potential reduce by 23.5 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 23.5 kB or 44% of the original size.
Potential reduce by 13.7 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. Open-circuit.ne.jp needs all CSS files to be minified and compressed as it can save up to 13.7 kB or 86% of the original size.
Number of requests can be reduced by 34 (53%)
64
30
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open Circuit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
open-circuit.ne.jp
646 ms
www.open-circuit.ne.jp
1643 ms
style01.css
857 ms
swap.js
450 ms
AC_RunActiveContent.js
726 ms
plusone.js
59 ms
bookmarks1.js
250 ms
track.js
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js_f3.js
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js_f1.js
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js_wa1.js
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cb=gapi.loaded_0
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obj_sitetitle1.jpg
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bt_home_off.gif
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bt_kaisya_off.gif
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bt_toiawase_off.gif
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page_back.gif
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isp-main.jpg
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btn_bflets1.gif
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btn_ip1-flets.gif
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btn_dynamic1.gif
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con_top.gif
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btn_isp_isp_sel.gif
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p_1.gif
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oc_m_qr.jpg
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hatena.gif
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yahoobookmark.gif
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googlebookmark.png
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trustlogo.js
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trustlogo.js
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seal_bg.gif
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warranty_level.gif
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tl_transp.gif
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acclog.cgi
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ga.js
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seal_bg.gif
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cb=gapi.loaded_1
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fastbutton
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warranty_level.gif
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postmessageRelay
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3193398744-postmessagerelay.js
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rpc:shindig_random.js
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cb=gapi.loaded_0
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cb=gapi.loaded_1
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W5F8_SL0XFawnjxHGsZjJA.ttf
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cb=gapi.loaded_0
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btn_isp_msk1_over.gif
479 ms
bt_search_on.gif
208 ms
bt_home_on.gif
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bt_kaisya_on.gif
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btn_static1_over.gif
875 ms
open-circuit.ne.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
open-circuit.ne.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
open-circuit.ne.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
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open-circuit.ne.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 Open-circuit.ne.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.
open-circuit.ne.jp
Open Graph description is not detected on the main page of Open Circuit. 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: