5.3 sec in total
549 ms
4.6 sec
85 ms
Welcome to weather-gpv.info homepage info - get ready to check Weather GPV best content for Japan right away, or after learning these important things about weather-gpv.info
スーパーコンピュータが予測する高解像度の天気予報. 地図上に5kmメッシュの詳細天気予報や予報の信頼度を図示. 最長10日先まで予測. 雨雪判別, 台風と低気圧進路, 気圧・風向・風速・雨量・雲量・気温・湿度・沿岸波浪予報.
Visit weather-gpv.infoWe analyzed Weather-gpv.info page load time and found that the first response time was 549 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
weather-gpv.info performance score
name
value
score
weighting
Value7.1 s
1/100
10%
Value0
0/100
25%
Value10.1 s
9/100
10%
Value1,040 ms
26/100
30%
Value0.016
100/100
15%
Value16.9 s
5/100
10%
549 ms
355 ms
325 ms
363 ms
614 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 29% of them (21 requests) were addressed to the original Weather-gpv.info, 10% (7 requests) were made to Pagead2.googlesyndication.com and 7% (5 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (984 ms) relates to the external source Yads.c.yimg.jp.
Page size can be reduced by 65.9 kB (5%)
1.4 MB
1.4 MB
In fact, the total size of Weather-gpv.info main page is 1.4 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. 60% of websites need less resources to load. Images take 796.2 kB which makes up the majority of the site volume.
Potential reduce by 1.4 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. This page needs HTML code to be minified as it can gain 666 B, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.4 kB or 60% of the original size.
Potential reduce by 43.8 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. Weather GPV images are well optimized though.
Potential reduce by 19.9 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. This website has mostly compressed JavaScripts.
Potential reduce by 818 B
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. Weather-gpv.info needs all CSS files to be minified and compressed as it can save up to 818 B or 70% of the original size.
Number of requests can be reduced by 29 (48%)
60
31
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Weather GPV. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
{{url}}
{{time}} ms
weather-gpv.info accessibility score
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
weather-gpv.info best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
weather-gpv.info SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
![]()
JA
![]()
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Weather-gpv.info 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 Weather-gpv.info 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.
{{og_description}}
weather-gpv.info
Open Graph description is not detected on the main page of Weather GPV. 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: