15.3 sec in total
670 ms
14.3 sec
333 ms
Welcome to bousai.tenki.jp homepage info - get ready to check Bousai Tenki best content for Japan right away, or after learning these important things about bousai.tenki.jp
日本気象協会公式の天気予報専門メディアです。市区町村別のピンポイントな天気予報に加え、専門的な気象情報、地震・津波などの防災情報を提供します。気象予報士が日々更新する日直予報士、花粉や熱中症、スキー積雪などの季節特集も人気です。
Visit bousai.tenki.jpWe analyzed Bousai.tenki.jp page load time and found that the first response time was 670 ms and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bousai.tenki.jp performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value9.2 s
1/100
25%
Value15.1 s
1/100
10%
Value3,650 ms
1/100
30%
Value0.026
100/100
15%
Value34.0 s
0/100
10%
670 ms
688 ms
1080 ms
29 ms
447 ms
Our browser made a total of 210 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Bousai.tenki.jp, 22% (46 requests) were made to Az416740.vo.msecnd.net and 3% (7 requests) were made to Dsum.casalemedia.com. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Cache.send.microadinc.com.
Page size can be reduced by 783.5 kB (52%)
1.5 MB
722.2 kB
In fact, the total size of Bousai.tenki.jp main page is 1.5 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. Javascripts take 674.9 kB which makes up the majority of the site volume.
Potential reduce by 150.4 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 150.4 kB or 81% of the original size.
Potential reduce by 29.6 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. Bousai Tenki images are well optimized though.
Potential reduce by 431.2 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 431.2 kB or 64% of the original size.
Potential reduce by 172.3 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. Bousai.tenki.jp needs all CSS files to be minified and compressed as it can save up to 172.3 kB or 67% of the original size.
Number of requests can be reduced by 116 (67%)
174
58
The browser has sent 174 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bousai Tenki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and as a result speed up the page load time.
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bousai.tenki.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
Image elements do not have [alt] attributes
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.
bousai.tenki.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
Page has valid source maps
bousai.tenki.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bousai.tenki.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 Bousai.tenki.jp 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.
bousai.tenki.jp
Open Graph data is detected on the main page of Bousai Tenki. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: