10.9 sec in total
1.1 sec
9.3 sec
367 ms
Visit tvac.or.jp now to see the best up-to-date Tvac content for Japan and also check out these interesting facts you probably never knew about tvac.or.jp
東京のボランティア・市民活動・NPO・NGOを「はじめる・ささえる・つなげる」ための総合情報サイト。これからボランティア活動やNPOをはじめたい人向けの情報などを発信しています。
Visit tvac.or.jpWe analyzed Tvac.or.jp page load time and found that the first response time was 1.1 sec and then it took 9.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
tvac.or.jp performance score
name
value
score
weighting
Value6.8 s
1/100
10%
Value11.4 s
0/100
25%
Value13.0 s
2/100
10%
Value12,510 ms
0/100
30%
Value0.833
4/100
15%
Value26.6 s
0/100
10%
1149 ms
1284 ms
393 ms
410 ms
826 ms
Our browser made a total of 118 requests to load all elements on the main page. We found that 75% of them (88 requests) were addressed to the original Tvac.or.jp, 18% (21 requests) were made to Pbs.twimg.com and 3% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Tvac.or.jp.
Page size can be reduced by 286.0 kB (15%)
1.9 MB
1.6 MB
In fact, the total size of Tvac.or.jp main page is 1.9 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. 30% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 38.6 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 38.6 kB or 71% of the original size.
Potential reduce by 172.6 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. Tvac images are well optimized though.
Potential reduce by 57.0 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 57.0 kB or 60% of the original size.
Potential reduce by 17.9 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. Tvac.or.jp needs all CSS files to be minified and compressed as it can save up to 17.9 kB or 81% of the original size.
Number of requests can be reduced by 49 (42%)
117
68
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
tvac.or.jp
1149 ms
jquery-1.4.4.min.js
1284 ms
jquery-ui-personalized-1.5.2.packed.js
393 ms
verybasic2011.css
410 ms
toppage2012.css
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toppage2012_colors.css
437 ms
urchin.js
22 ms
bg_heaven.gif
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logo2012.png
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timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
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tvac.or.jp 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
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
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.
tvac.or.jp 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
tvac.or.jp SEO score
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
N/A
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tvac.or.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 Tvac.or.jp 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.
tvac.or.jp
Open Graph description is not detected on the main page of Tvac. 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: