1.1 sec in total
516 ms
519 ms
56 ms
Welcome to play21.jp homepage info - get ready to check Play 21 best content for Japan right away, or after learning these important things about play21.jp
入室パスワード認証・画像アップロードなど高機能な有料・無料レンタル掲示板とレンタル日記です。掲示板、日記共に豊富なデザインで細かくカスタマイズも可能。写メールなどカメラ付き携帯対応で充実の荒らし宣伝投稿対策・プレビュー機能・お絵描き・昇進機能・RSS・簡単タグ入力ツール・アクセス解析・メールフォーム機能など多彩な機能をご用意しております。
Visit play21.jpWe analyzed Play21.jp page load time and found that the first response time was 516 ms and then it took 575 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
play21.jp performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value1.4 s
100/100
25%
Value2.0 s
99/100
10%
Value20 ms
100/100
30%
Value0.081
94/100
15%
Value0.7 s
100/100
10%
516 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Play21.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (516 ms) belongs to the original domain Play21.jp.
Page size can be reduced by 28 B (15%)
190 B
162 B
In fact, the total size of Play21.jp main page is 190 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 190 B which makes up the majority of the site volume.
Potential reduce by 28 B
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 28 B or 15% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
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play21.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
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
play21.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
play21.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Play21.jp 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 Play21.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.
{{og_description}}
play21.jp
Open Graph description is not detected on the main page of Play 21. 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: