Tools & Wizards About Us
season.tenki.jp screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

season.tenki.jp

日本気象協会 tenki.jp【公式】 / 天気・地震・台風

Page Load Speed

11.4 sec in total

First Response

707 ms

Resources Loaded

10.3 sec

Page Rendered

364 ms

season.tenki.jp screenshot

About Website

Welcome to season.tenki.jp homepage info - get ready to check Season Tenki best content for Japan right away, or after learning these important things about season.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 season.tenki.jp

Key Findings

We analyzed Season.tenki.jp page load time and found that the first response time was 707 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

season.tenki.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value9,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value35.1 s

0/100

10%

Network Requests Diagram

season.tenki.jp

707 ms

www.tenki.jp

899 ms

common.min.css

900 ms

jquery.min.js

34 ms

contents.min.js

436 ms

Our browser made a total of 198 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Season.tenki.jp, 23% (46 requests) were made to Az416740.vo.msecnd.net and 5% (9 requests) were made to Yads.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Az416740.vo.msecnd.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 794.4 kB (52%)

Content Size

1.5 MB

After Optimization

735.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Season.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 700.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 150.3 kB

  • Original 186.3 kB
  • After minification 172.2 kB
  • After compression 36.0 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 150.3 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 29.6 kB

  • Original 385.7 kB
  • After minification 356.1 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. Season Tenki images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 442.2 kB

  • Original 700.6 kB
  • After minification 679.6 kB
  • After compression 258.4 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 442.2 kB or 63% of the original size.

CSS Optimization

-67%

Potential reduce by 172.3 kB

  • Original 257.6 kB
  • After minification 254.7 kB
  • After compression 85.3 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. Season.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.

Requests Breakdown

Number of requests can be reduced by 110 (66%)

Requests Now

166

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 166 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Season 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 51 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

season.tenki.jp

season.tenki.jp

707 ms

www.tenki.jp

www.tenki.jp

899 ms

common.min.css

common.min.css

900 ms

jquery.min.js

jquery.min.js

34 ms

contents.min.js

contents.min.js

436 ms

inread.js

inread.js

107 ms

slf.js

slf.js

9 ms

gpt.js

gpt.js

7 ms

pubads_impl_81.js

pubads_impl_81.js

7 ms

container.html

container.html

29 ms

japan_wide.png

japan_wide.png

194 ms

23_n.gif

23_n.gif

195 ms

01_n.gif

01_n.gif

237 ms

08_n.gif

08_n.gif

237 ms

xsmall.jpg

xsmall.jpg

226 ms

middle.jpg

middle.jpg

237 ms

small.jpg

small.jpg

682 ms

small.jpg

small.jpg

687 ms

small.jpg

small.jpg

862 ms

Banner_116_37_2.jpg

Banner_116_37_2.jpg

259 ms

xsmall.jpg

xsmall.jpg

932 ms

xsmall.jpg

xsmall.jpg

719 ms

japan_detail_temp_xsmall.jpg

japan_detail_temp_xsmall.jpg

738 ms

recent_entry_japan_detail_xsmall.jpg

recent_entry_japan_detail_xsmall.jpg

1151 ms

attentionIcon.gif

attentionIcon.gif

713 ms

warningIcon.gif

warningIcon.gif

741 ms

xsmall.jpg

xsmall.jpg

1187 ms

xsmall.jpg

xsmall.jpg

1221 ms

xsmall.jpg

xsmall.jpg

1224 ms

xsmall.jpg

xsmall.jpg

1333 ms

01.gif

01.gif

956 ms

02.gif

02.gif

982 ms

03.gif

03.gif

1008 ms

10.gif

10.gif

1033 ms

20160301194207-20160301194558-xsmall.jpg

20160301194207-20160301194558-xsmall.jpg

1528 ms

japan_detail_xsmall.jpg

japan_detail_xsmall.jpg

1648 ms

japan_detail_xsmall.jpg

japan_detail_xsmall.jpg

1684 ms

japan_detail_xsmall.jpg

japan_detail_xsmall.jpg

1702 ms

01_n.gif

01_n.gif

1251 ms

05.gif

05.gif

1277 ms

02.gif

02.gif

1310 ms

9.gif

9.gif

1338 ms

small.jpg

small.jpg

2096 ms

tenkijp_twitter_50_50.png

tenkijp_twitter_50_50.png

1364 ms

tenkijp_bookmark_icon_map_114_114.png

tenkijp_bookmark_icon_map_114_114.png

1392 ms

ski_img02.jpg

ski_img02.jpg

1421 ms

gtm.js

gtm.js

26 ms

analytics.js

analytics.js

11 ms

collect

collect

51 ms

collect

collect

103 ms

fb_banner.png

fb_banner.png

1263 ms

ads

ads

225 ms

tw_banner.png

tw_banner.png

1259 ms

icon_48_2.png

icon_48_2.png

1285 ms

icon_48_1.png

icon_48_1.png

1303 ms

icon_48_3.png

icon_48_3.png

1322 ms

app_store_135_40.png

app_store_135_40.png

1329 ms

google_play_130_45.png

google_play_130_45.png

1326 ms

n

n

1084 ms

osd.js

osd.js

9 ms

middle.jpg

middle.jpg

1255 ms

headerSearchLineBg.gif

headerSearchLineBg.gif

908 ms

yads.js

yads.js

1181 ms

b

b

591 ms

yads_vimps-1.4.1.js

yads_vimps-1.4.1.js

512 ms

tag

tag

1067 ms

yads-iframe.html

yads-iframe.html

186 ms

master.gif

master.gif

29 ms

compass.js

compass.js

11 ms

top.js

top.js

316 ms

tenkijp_ft_external_img.png

tenkijp_ft_external_img.png

437 ms

r.js

r.js

11 ms

cookie_enabled_get_apac.html

cookie_enabled_get_apac.html

335 ms

atids.html

atids.html

5 ms

bi.js

bi.js

326 ms

gw.js

gw.js

173 ms

l

l

367 ms

tag

tag

319 ms

DeqwasAgent.js

DeqwasAgent.js

160 ms

ad

ad

531 ms

325 ms

495452260.js

495452260.js

114 ms

cs

cs

348 ms

a1037443.js

a1037443.js

692 ms

Collection.aspx

Collection.aspx

168 ms

activeview

activeview

15 ms

itm.js

itm.js

38 ms

lognos.js

lognos.js

176 ms

api.js

api.js

31 ms

audience

audience

344 ms

rtbsync.js

rtbsync.js

8 ms

Sync.aspx

Sync.aspx

303 ms

Sync.aspx

Sync.aspx

333 ms

Sync.aspx

Sync.aspx

307 ms

Sync.aspx

Sync.aspx

310 ms

Sync.aspx

Sync.aspx

304 ms

Sync.aspx

Sync.aspx

307 ms

Sync.aspx

Sync.aspx

319 ms

Sync.aspx

Sync.aspx

311 ms

Sync.aspx

Sync.aspx

322 ms

Sync.aspx

Sync.aspx

329 ms

Sync.aspx

Sync.aspx

334 ms

Sync.aspx

Sync.aspx

308 ms

Sync.aspx

Sync.aspx

315 ms

Sync.aspx

Sync.aspx

305 ms

Sync.aspx

Sync.aspx

317 ms

Sync.aspx

Sync.aspx

312 ms

utm.png

utm.png

98 ms

jstag

jstag

10 ms

ic

ic

358 ms

acj

acj

62 ms

Sync.aspx

Sync.aspx

332 ms

sync

sync

349 ms

cs

cs

326 ms

cookiesync

cookiesync

316 ms

tap.php

tap.php

16 ms

305 ms

gtm.js

gtm.js

22 ms

sd

sd

15 ms

sync

sync

20 ms

pd

pd

20 ms

ajs.php

ajs.php

410 ms

ri

ri

22 ms

beacon.html

beacon.html

15 ms

tdim-1.1.0.min.js

tdim-1.1.0.min.js

13 ms

pageview.js

pageview.js

13 ms

577b1c92-675a-efad-6da8-e8511ed19a12

577b1c92-675a-efad-6da8-e8511ed19a12

44 ms

pixel

pixel

22 ms

set

set

306 ms

segment

segment

306 ms

td-1.5.1.js

td-1.5.1.js

64 ms

get

get

312 ms

sd

sd

10 ms

sd

sd

5 ms

sd

sd

5 ms

jsk

jsk

381 ms

sd

sd

20 ms

Collection.aspx

Collection.aspx

159 ms

Collection.aspx

Collection.aspx

152 ms

pixel

pixel

22 ms

mapuser

mapuser

153 ms

acs

acs

350 ms

Collection.aspx

Collection.aspx

160 ms

Collection.aspx

Collection.aspx

162 ms

Collection.aspx

Collection.aspx

162 ms

Collection.aspx

Collection.aspx

163 ms

pageviews

pageviews

438 ms

Collection.aspx

Collection.aspx

159 ms

pageviews

pageviews

8 ms

ads.js

ads.js

334 ms

lg.php

lg.php

189 ms

sd

sd

6 ms

pixel

pixel

18 ms

tag

tag

354 ms

gl0

gl0

192 ms

activeview

activeview

14 ms

Collection.aspx

Collection.aspx

311 ms

ads

ads

186 ms

sync

sync

317 ms

307 ms

acs

acs

192 ms

yads-iframe.html

yads-iframe.html

181 ms

acs

acs

175 ms

acs

acs

351 ms

yads.js

yads.js

363 ms

pixel

pixel

16 ms

impbcn

impbcn

338 ms

cookiemapping

cookiemapping

549 ms

cookiemapping

cookiemapping

373 ms

usermatch

usermatch

12 ms

tag

tag

353 ms

usermatch

usermatch

15 ms

casale

casale

8 ms

VtWGvcAoJEQAABp1cOIAAADN%26125

VtWGvcAoJEQAABp1cOIAAADN%26125

29 ms

gr

gr

22 ms

cs

cs

177 ms

casale

casale

13 ms

crum

crum

29 ms

pixel

pixel

42 ms

crum

crum

25 ms

crum

crum

26 ms

crum

crum

11 ms

rum

rum

110 ms

m

m

36 ms

cs

cs

182 ms

crum

crum

9 ms

cs

cs

174 ms

tag

tag

372 ms

rum

rum

14 ms

imp

imp

91 ms

oi

oi

405 ms

yads-iframe.html

yads-iframe.html

182 ms

gcs

gcs

358 ms

tag

tag

175 ms

gcs

gcs

360 ms

QC_300_250.jpg

QC_300_250.jpg

1162 ms

oi

oi

410 ms

2ade1a304436089d79717111088f1856

2ade1a304436089d79717111088f1856

21 ms

Accessibility Review

season.tenki.jp accessibility score

80

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

season.tenki.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

season.tenki.jp SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Season.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 Season.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.

Social Sharing Optimization

season.tenki.jp

Open Graph data is detected on the main page of Season Tenki. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: