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Welcome to event21.co.jp homepage info - get ready to check Event 21 best content for United States right away, or after learning these important things about event21.co.jp
イベント用品レンタルや会場設営、看板製作業者といえば!テントやパイプ椅子、学園祭ステージ、音響等なんでも揃います!企画運営、展示会や地鎮祭、式典、祭りなどといた多種多様のサービスやイベント用品のレンタル、会場設営を承っておりますイベント会社です。東京、大阪を中心に、奈良から全国各地イベント21へお任せください!
Visit event21.co.jpWe analyzed Event21.co.jp page load time and found that the first response time was 1.3 sec and then it took 20.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
event21.co.jp performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value16.2 s
0/100
25%
Value11.7 s
4/100
10%
Value2,300 ms
5/100
30%
Value0.191
64/100
15%
Value18.9 s
3/100
10%
1280 ms
683 ms
525 ms
1611 ms
1090 ms
Our browser made a total of 199 requests to load all elements on the main page. We found that 95% of them (190 requests) were addressed to the original Event21.co.jp, 2% (3 requests) were made to Platform.twitter.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Event21.co.jp.
Page size can be reduced by 379.9 kB (12%)
3.1 MB
2.8 MB
In fact, the total size of Event21.co.jp main page is 3.1 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. 65% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.
Potential reduce by 87.3 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 87.3 kB or 74% of the original size.
Potential reduce by 93.0 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. Event 21 images are well optimized though.
Potential reduce by 149.1 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 149.1 kB or 74% of the original size.
Potential reduce by 50.5 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. Event21.co.jp needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 83% of the original size.
Number of requests can be reduced by 14 (7%)
197
183
The browser has sent 197 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Event 21. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
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event21.co.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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>).
event21.co.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
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
event21.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
Tap targets are not sized appropriately
JA
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Event21.co.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 Event21.co.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.
event21.co.jp
Open Graph data is detected on the main page of Event 21. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: