3.7 sec in total
1.1 sec
2.3 sec
287 ms
Welcome to kozai.kozo.info homepage info - get ready to check Kozai Kozo best content for Japan right away, or after learning these important things about kozai.kozo.info
H形鋼やL形鋼など各種鋼材の寸法・断面積・単位重量などの特性値を表示する鋼材表。図化機能付き。
Visit kozai.kozo.infoWe analyzed Kozai.kozo.info page load time and found that the first response time was 1.1 sec and then it took 2.5 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.
kozai.kozo.info performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value5.1 s
24/100
25%
Value6.0 s
47/100
10%
Value2,480 ms
4/100
30%
Value0.002
100/100
15%
Value10.5 s
23/100
10%
1148 ms
494 ms
541 ms
8 ms
355 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Kozai.kozo.info, 20% (6 requests) were made to C.betrad.com and 17% (5 requests) were made to Kozo.info. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kozai.kozo.info.
Page size can be reduced by 87.2 kB (41%)
214.0 kB
126.8 kB
In fact, the total size of Kozai.kozo.info main page is 214.0 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. 25% of websites need less resources to load. Images take 98.0 kB which makes up the majority of the site volume.
Potential reduce by 79.3 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 79.3 kB or 88% of the original size.
Potential reduce by 919 B
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. Kozai Kozo images are well optimized though.
Potential reduce by 7.0 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 7.0 kB or 27% of the original size.
Potential reduce by 20 B
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. Kozai.kozo.info needs all CSS files to be minified and compressed as it can save up to 20 B or 19% of the original size.
Number of requests can be reduced by 15 (52%)
29
14
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kozai Kozo. 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 as a result speed up the page load time.
kozai.kozo.info
1148 ms
ponavi_menu2.css
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dots_loh.gif
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show_ads.js
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logo01.gif
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zrt_lookup.html
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dayx_all2.cgi
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abg.js
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kozai.kozo.info 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-*] attributes do not match their roles
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
kozai.kozo.info 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
kozai.kozo.info SEO score
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
N/A
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kozai.kozo.info can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Kozai.kozo.info main page’s claimed encoding is euc-jp. 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.
kozai.kozo.info
Open Graph description is not detected on the main page of Kozai Kozo. 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: