Website review costco.co.jp
コストコオンライン - 公式サイト | Costco Japan
Generated on March 06 2026 00:23 AM
Old data? UPDATE !
The score is 55/100
SEO Content
Title
コストコオンライン - 公式サイト | Costco Japan
Length : 32
Perfect, your title contains between 10 and 70 characters.
Description
コストコ公式オンラインショップ。コストコはアメリカ発祥の会員制倉庫型店です。高品質な商品とサービスをできる限りの低価格にて提供し続けることをモットーに、全国に倉庫店を展開中。公式オンラインショップでは、自宅にいながらゆっくりとコストコでのお買物が可能に。
Length : 127
Great, your meta description contains between 70 and 160 characters.
Keywords
コストコ,公式,オンライン,会員,パーティー,ビジネス,ロティサリーチキン,輸入品,アメリカンサイズ,コストコのオンラインショッピング,コストコ通販,コストコオンライン
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | コストコオンライン - 公式サイト | Costco Japan |
| description | コストコ公式オンラインショップ。コストコはアメリカ発祥の会員制倉庫型店です。高品質な商品とサービスをできる限りの低価格にて提供し続けることをモットーに、全国に倉庫店を展開中。公式オンラインショップでは、自宅にいながらゆっくりとコストコでのお買物が可能に。 |
| type | website |
| url | https://www.costco.co.jp/ |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 6 | 4 | 9 | 0 | 0 | 0 |
- [H1] FEATURED ITEMS
- [H1] HOT BUYS
- [H1] WHAT'S NEW
- [H1] TOP SELLERS
- [H1] KIRKLAND SIGNATURE
- [H1] GOLD ITEMS
- [H2] 新規入会 / 更新
- [H2] 倉庫店関連
- [H2] 新規入会 / 更新
- [H2] 倉庫店関連
- [H3] 国・地域を選択
- [H3] 国・地域を選択
- [H3] 注目商品
- [H3] お買得商品
- [H3] 新商品
- [H3] 売れ筋商品
- [H3] プライベートブランド カークランドシグネチャー
- [H3] ゴールドアイテム
- [H3] コストコ公式アプリ
Images
We found 244 images on this web page.
79 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 0%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 111 links including 0 link(s) to files
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|
Usability
Url
Domain : costco.co.jp
Length : 12
Favicon
Great, your website has a favicon.
Printability
Great. We have found a Print-Friendly CSS.
Language
Good. Your declared language is ja.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 4 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
 |
Excellent, your website doesn't use nested tables. |
|
Perfect. No inline css has been found in HTML tags! |
 |
Too bad, your website has too many CSS files (more than 4). |
|
Perfect, your website has few JavaScript files. |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| http://www.costco.co.jp/sitemap.xml |
Robots.txt
https://costco.co.jp/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.