47.3 sec in total
1.1 sec
44.5 sec
1.6 sec
Visit mdn-mag.seesaa.net now to see the best up-to-date MdN Mag Seesaa content for Japan and also check out these interesting facts you probably never knew about mdn-mag.seesaa.net
デザイン、グラフィック、WEB関連の出版社 MdN のスタッフが随時更新中のブログ電子書籍リリース情報や月刊MdN関連の話題などをお知らせしています
Visit mdn-mag.seesaa.netWe analyzed Mdn-mag.seesaa.net page load time and found that the first response time was 1.1 sec and then it took 46.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
mdn-mag.seesaa.net performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value2.6 s
88/100
25%
Value7.3 s
29/100
10%
Value2,060 ms
7/100
30%
Value0
100/100
15%
Value16.2 s
5/100
10%
1145 ms
368 ms
81 ms
20250 ms
524 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Mdn-mag.seesaa.net, 13% (12 requests) were made to Ecx.images-amazon.com and 11% (11 requests) were made to Mdn.co.jp. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Go2web20.net.
Page size can be reduced by 1.6 MB (30%)
5.4 MB
3.8 MB
In fact, the total size of Mdn-mag.seesaa.net main page is 5.4 MB. 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 3.8 MB which makes up the majority of the site volume.
Potential reduce by 1.4 MB
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 1.4 MB or 95% of the original size.
Potential reduce by 153.2 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. MdN Mag Seesaa images are well optimized though.
Potential reduce by 85.9 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 85.9 kB or 63% of the original size.
Potential reduce by 5.9 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. Mdn-mag.seesaa.net needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 80% of the original size.
Number of requests can be reduced by 28 (30%)
92
64
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MdN Mag Seesaa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.
mdn-mag.seesaa.net
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mdn-mag.seesaa.net 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
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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
mdn-mag.seesaa.net 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
Browser errors were logged to the console
mdn-mag.seesaa.net 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
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 Mdn-mag.seesaa.net 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 Mdn-mag.seesaa.net 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.
mdn-mag.seesaa.net
Open Graph description is not detected on the main page of MdN Mag Seesaa. 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: