4.1 sec in total
783 ms
3 sec
296 ms
Welcome to openrtm.org homepage info - get ready to check OpenRTM best content for Japan right away, or after learning these important things about openrtm.org
Visit openrtm.orgWe analyzed Openrtm.org page load time and found that the first response time was 783 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
openrtm.org performance score
name
value
score
weighting
Value6.8 s
1/100
10%
Value8.1 s
2/100
25%
Value10.7 s
7/100
10%
Value160 ms
93/100
30%
Value1.298
1/100
15%
Value11.3 s
19/100
10%
783 ms
334 ms
669 ms
341 ms
902 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 61% of them (33 requests) were addressed to the original Openrtm.org, 7% (4 requests) were made to Translate.googleapis.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Openrtm.org.
Page size can be reduced by 246.9 kB (48%)
510.3 kB
263.4 kB
In fact, the total size of Openrtm.org main page is 510.3 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. Javascripts take 275.2 kB which makes up the majority of the site volume.
Potential reduce by 67.4 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 67.4 kB or 78% of the original size.
Potential reduce by 4.5 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. OpenRTM images are well optimized though.
Potential reduce by 113.1 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 113.1 kB or 41% of the original size.
Potential reduce by 61.9 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. Openrtm.org needs all CSS files to be minified and compressed as it can save up to 61.9 kB or 77% of the original size.
Number of requests can be reduced by 31 (60%)
52
21
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OpenRTM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
openrtm.org
783 ms
block_edit.css
334 ms
css_b24eca5842825dd74b83b759aab77057.css
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superfish.css
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js_4b2cba27aae69d9dfb7ea427989b7181.js
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block_edit.js
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element.js
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aist_logo.png
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bg-wall.png
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zh-hans.png
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ko.png
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ja.png
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en.png
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bg-header.png
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header.png
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pixture_reloaded_logo.png
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button.gif
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openrtm-1.1.1-download.png
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share_save_171_16.png
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eclipse_logo.png
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kek_gijyutusyou.jpg
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omg_member.png
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bulb-icon.png
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facebook_logo_small.png
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powered-blue-80x15.png
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omg_member.png
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page.js
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bullet-round.png
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block-tr.png
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block-br.png
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block-tl.png
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block-bl.png
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block-tile.png
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translateelement.css
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main.js
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all.js
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bullet-sm-arrow-right.png
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bg-footer.png
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sm13.html
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ga.js
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element_main.js
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ga.js
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__utm.gif
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translate_24dp.png
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googlelogo_color_42x16dp.png
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xd_arbiter.php
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like.php
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319 ms
openrtm.org 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
openrtm.org 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
openrtm.org 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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openrtm.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Openrtm.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
openrtm.org
Open Graph description is not detected on the main page of OpenRTM. 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: