Report for


The overall score for this website.


How accessible the website is to mobile and disabled users.

The following tests contribute to this score:


How satisfying the website is likely to be for users.


How well marketed and popular the website is.


How well designed and built the website is.

Nibbler tested a sample of 5 pages from this website at 8:55 AM on Jul 21, 2021 (BST).

Top priorities for website improvement

  • Make sure that all the pages of this website include a meta description. If you don't include one, Google will choose a sample of text from the page to appear in the search engine result. By including a meta description, you can control how your search engine result will appear. (read more)
  • Consider adding your analytics solution to the pages which aren't currently monitored. (read more)
  • Consider the amount of text on this website and increase it if appropriate. (read more)


0% of pages are optimized for printing

Meta tags2.0

Meta Tags (name attribute)

Page URLNameContent,user-scalable=yes,user-scalable=yes,user-scalable=yes,user-scalable=yes,user-scalable=yes

Meta Tags (http-equiv attribute)

Page URLNameContent; charset=UTF-8; charset=UTF-8; charset=UTF-8; charset=UTF-8; charset=UTF-8


40% of pages use analytics

Google AnalyticsGoogle Analytics

  • 40.0% of this website is using Google Analytics but 3 pages have no analytics. It is still possible to gather a great deal of information for the other 3 of pages from webserver logs, however complete visitor analysis requires client-side Javascript or an image not found here.
    • Consider adding your analytics solution to the pages which aren't currently monitored.
  • Note that this test can only detect recognised analytics solutions. If an analytics solution is new, obscure or used in a non-standard way (e.g. it has been customised) it may not be detected.

URL format5.2

  • 4 URLs include a file extension.
    • Avoid use of file extensions wherever possible. File extensions appear at the end of web addresses, and have several negative effects. They make the address harder to remember or type (particularly for non-technical users), and can reveal the underlying technology of the website making it very slightly more vulnerable to hackers. They also tie the implementation of the website to a specific technology, which can make subsequent migration of URLs difficult. Consider URL rewriting as an effective and transparent means of creating appropriate URLs.

Amount of content5.8

Rendering Chart...

  • This website has an average of 96 words per page. The amount of content on a website has been shown to correlate with its search engine ranking.
    • Consider the amount of text on this website and increase it if appropriate.

Server behavior7.6

Yes404 page


  • This website handles missing pages correctly by sending a 404 HTTP status code.
  • This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
  • There was no website found on This is bad, as visitors might presume they can visit this website by visiting that address.
    • Put a permanent (HTTP 301) redirect to on


88% of images have a clearly defined size

46 images are being resized by the browser


This website is linked with the Twitter account @MOEJ_Climate

This website's Twitter account has

  • This website was found to link the Twitter account MOE_Japan 環境省 (@MOEJ_Climate).
  • This website's Twitter account has made 208 tweets to 639 followers.
    • Consider how you promote your Twitter account and engage more with your social audience. The number of Twitter followers a page should have depends very much on the type of organisation, its target audience, and how long it has been in operation.

Source: Twitter


Mobile screenshot of www.env.go.jpTablet screenshot of
  • All pages of this website appear to be optimized for viewing on a mobile phone (using CSS media queries) but it is not optimized for tablet viewing. It is important to make sure your content is optimized for a wide range of devices as a growing percentage of web browsing is done on phones and tablets.


13,456 Most popular website in the world

This website recently saw a moderate increase in popularity.

  • This is the 13,456 most popular website in the world.
  • Over the past 3 months, this website has experienced a moderate increase in popularity.
  • This website accounts for 79.8% of the Internet traffic to and its subdomains.

Source: Alexa

Page titles10.0

100% of pages have defined titles

0% of page titles are weak

  • All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimization.


category chemicals environment environmental focus global government ground health japan magazine ministry nature paper parks policy press public recycling relations release soil topics transportation waste water white

  • All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarize the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimization.

Page headings detail

URLHeadingLevel環境省 Ministry of the EnvironmentH1重要なお知らせH2トピックスH2お知らせH2政策分野一覧H2環境省のさまざまな取組H2フォトレポートH2外局・地方機関・関連機関H2関連リンクH2環境省における災害対応についてH3東日本大震災からの環境再生についてH3放射性物質対策H3総合環境政策H3大気環境・自動車対策H3地球環境・国際環境協力H3水・土壌・地盤・海洋環境の保全H3環境再生・資源循環H3保健・化学物質対策H3自然環境・生物多様性H3地方環境対策H3解説のリンクへH3各種窓口案内H1申請・届出等手続案内サイトH2情報公開・個人情報保護の窓口H2環境省公益通報窓口・相談窓口H2環境省内部(職員及び契約者の皆様)からの通報はこちらH2環境省職員によるセクシュアル・ハラスメント事案の外部通報窓口H2環境省職員による障害を理由とする差別の解消の推進に関する対応要領に係る相談窓口についてH2環境学習受付窓口H2環境省インターンシップ制度H2技術開発問合せ窓口H2環境関連の人材関連制度一覧H2環境政策に関する意見・提案、問合せ窓口H2サイトマップH1環境省のご案内H2政策分野・行政活動H2環境基準・法令等H2白書・統計・資料H2申請・届出・公募H2報道・広報H2東日本大震災への対応H2熊本地震への対応H2アクセシビリティ・ツールの起動H2著作権・リンクについてH2環境省ロゴマークのご説明H2災害対応H2その他のリンクH2 of the Environment, Government of JapanH1 FocusH2 ReleaseH2 Relations MagazineH3 PaperH3 PolicyH3 EnvironmentH3 & RecyclingH3 & TransportationH3 / Soil / Ground EnvironmentH3 & ChemicalsH3 & ParksH3トピックスH1


Last updated July 21, 2021

  • It looks like this website was last updated on Wednesday, July 21, 2021. This is good because visitors perceive up-to-date websites as more credible. Websites that are updated regularly are also spidered by search engines more often.
  • To find this information we used the last modified dates reported by this website's server in addition to looking for dates written on each page.

All dates found

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Domain agei

  • Sorry, we cannot check the domain age of websites.

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