costco.co.jp
🖥 Status: up
🕒 Response Time: 0.663 sec
⬅️ Response Code: 200
16 tests were conducted on the uptime of costco.co.jp in the 586 days following January 4, 2025. Testing found costco.co.jp active 16 times, including on the latest check July 3, 2026, which returned a 200 status code. The checks conducted as of August 14, 2026, revealed that costco.co.jp did not encounter any instances of unavailability. As of August 14, 2026, all responses have been reported as error-free based on the replies that have been received. Costco.co.jp's response time was 0.663 seconds on July 3, 2026, compared to an average of 0.188.
16
Last Updated: July 3, 2026
Costco overview
- Domain
- costco.co.jp
- 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。
- Main Topic
- FEATURED ITEMS
HOT BUYS
WHAT'S NEW
TOP SELLERS - O Site Status Rank
- 73 855
- Search Wikipedia
- costco.co.jp
- Alternatives
- alternatives to costco.co.jp
- Recently checked
- hanseaticbank.de
grani-ru-org.appspot.com
Last Updated: July 6, 2026
Status: error
Response Time: 0.017 sec
Response Code: 404
Costco.co.jp
status check request map as of August 14, 2026
Country report for costco.co.jp as of August 14, 2026
| United States | 100.00% | ||||||||
| 06:08 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 100 | March 14, 2021 | |
| 37 | May 30, 2023 | |
| 16 | January 4, 2025 | |
| 27 | November 19, 2024 | |
| 34 | January 1, 2022 |
Swedroid.se | Costco.co.jp | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for costco.co.jp: Refining your website title involves selecting the most impactful primary keyword based on search volume, competition analysis, and user intent queries using keyword research tools, integrating secondary keywords where suitable for technology solutions or portfolio descriptions to strengthen semantic relevance and topical authority while clearly identifying the page's origin. |
|---|---|
| コストコオンライン - 公式サイト | Costco Japan Length: 60 characters | |
| Meta Description | Meta Description tips for costco.co.jp: Incorporate your main keywords towards the beginning of your meta description for maximum visibility and relevance to search queries, helping search engines understand the page topic and potentially improving rankings. |
| 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: 381 characters | |
| Meta Keywords | Meta Keywords tips for costco.co.jp: For optimal SEO in 2024, the meta keywords tag should be omitted or kept minimal; search engines analyze text across the visible page content, headings, images (alt text), and internal linking structures to gauge relevance and topic importance. |
| no meta keywords data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| Page Content | Page Content tips for costco.co.jp: Page content optimization involves using descriptive and keyword-rich anchor text within the text and headings to clearly communicate the topic of the page to both users and search engine crawlers accurately |
| Web Page Content Length: 668704 characters | |
| H1 Heading | H1 Heading tips for costco.co.jp: The h1 tag acts as the digital title for your page, summarizing the essential subject matter for crawlers and establishing the main content pillar for visitors arriving directly. |
| FEATURED ITEMS HOT BUYS WHAT'S NEW TOP SELLERS Count: 4 heading tag | |
| H2 Headings | H2 Headings tips for costco.co.jp: H2 tags should break content into logical sections, each containing a secondary keyword related to the main topic, thereby improving readability and helping search engines understand content hierarchy on web pages. |
| 新規入会 / 更新 倉庫店関連 Count: 2 heading tag | |
| H3 Headings | H3 Headings tips for costco.co.jp: Regularly audit your website's H3 usage to ensure consistency, relevance, and optimal placement within the surrounding content, aligning with modern SEO best practices for semantic HTML markup. |
| 国・地域を選択 注目商品 お買得商品 新商品 売れ筋商品 コストコ公式アプリ Count: 6 heading tag | |
| H4 Headings | H4 Headings tips for costco.co.jp: While H4 is an important structural component, its use should remain reserved for detailed points and subsections, directly linked to the main H1 and H2/H3 structure, ensuring optimal semantic markup, clear content categorization, and SEO benefit. |
| no h4 headings data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for costco.co.jp: Search engines do consider `<h5>` and `<h6>` headers within their analytical processes; ignore this outdated belief and integrate them into your legitimate technical SEO strategy for improved performance. |
| no h5-h6 headings data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for costco.co.jp: When creating descriptive alt text, prioritize clarity and relevance over keyword stuffing techniques, ensuring both website accessibility at its best and SEO optimization efforts yield maximum results. |
| https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltfaccad6dfa5b37d2/68955e08bc4af100025fcd41/costco-logo.png https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt3ff717f0ff0ead10/69168cf0015c020a28967275/Hero_20251121_PS5_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt2a1227485a878ef6/6913d935015c024033963500/Hero_20251117_Comforter_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltfdffc74047926b8e/6913db76fc52446ab9a3c54b/Hero_20251117_NIPLUX_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt7a9698cae73dc6ac/6911182e015c0209dd96169d/Hero_20251110_Ouji_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt9819d13e8fb6ca5a/6913d93525dce0fc96184b55/Hero_20251117_OUJIHaba_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltc8fad1c3169497e6/691687767e04bb378aa8720c/Hero_20251117_Crecia_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blta7c539043e9d2f4b/6913d931fc52441873a3c4e3/Hero_20241014_Dyson_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt1ef8bdf6182da881/6913d9311548b07fcf857892/Hero_20241216_Sakamoto_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltfca59d4d9f7c9b8a/690af76b5b979053d9793a1b/Hero_20251110_LEGO_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt27b94dd041457c33/691679b01548b0ffa285b5b8/Hero_20251117_AppleWatchSeries11_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt35ff3d4baaed1d2d/6913d931fc5244218fa3c4e7/Hero_20251117_Apple_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltbed7714e8373a6bf/691680607e04bb5076a871fa/Hero_20251117_WAKEFIELD_dt.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt65e91ab27445d4dd/68db66f6a6f0d39fa59f3f33/Top_OnlinePreRegister.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt52a8ddd49a7b2d70/69167f86d9c6542b424fb270/Event_20251117_PreBlackFriday_TOP.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt5cdf68af5e8230ab/69167e7bfc5244c3f8a40301/Event_20251117_PreBlackFriday_product01.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltbb0a621225ee6f49/69156abd05fd9230aa70fd1b/Event_20251117_PreBlackFriday_product02.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt992a8e3db4faf991/691684b9015c0207e9967262/Event_20251117_PreBlackFriday_product03.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt6958ee3ce58e4895/691581463904a6fe7054f87b/Event_20251117_PreBlackFriday_product04.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltf6757421f9949c4f/691a6a8916701981455e3faa/Event_20251117_PreBlackFriday_product05.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/blt21094afb237cbf58/69156abd015c028027965faa/Event_20251117_PreBlackFriday_product06.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltd9bbc2945788878c/69157fc63904a60fca54f845/Event_20251117_PreBlackFriday_product07.jpg?auto=avif&format=pjpg&quality=80 https://azure-na-images.contentstack.com/v3/assets/blt97ba0f4e091151ea/bltd5552be66ddc3ff4/6916763625dce0fe3d1888a8/Event_20251117_PreBlackFriday_product08.jpg?auto=avif&format=pjpg&quality=80 and 94 more... Count: 24 images with ALT attributes | |
| Robots.txt | Robots.txt tips for costco.co.jp: Incorrectly blocking sitemap URLs via robots.txt prevents search engines from discovering all the pages on your site, negatively affecting index coverage and overall search presence. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for costco.co.jp: Generating a thorough XML sitemap helps search engines like Bing understand and index your website's entire content structure, including potentially less linked pages, thereby increasing the comprehensive index coverage for your valuable website and enhancing its visibility across the web. |
| no xml sitemap data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| Page Size | Page Size tips for costco.co.jp: Search engine algorithms increasingly factor in load time, with page size being a significant contributor, so analysts should regularly monitor and compress resources to protect organic search visibility and CTR, avoiding position loss |
| page size: 653 kb | |
| Response Time | Response Time tips for costco.co.jp: Content Delivery Networks (CDNs) can significantly lower perceived response time by caching content closer to the user; combine CDN implementation with server-side optimizations to ensure fast initial server response followed by quick resource loading, boosting overall efficiency. |
| response time: 0.188 sec | |
| Minify CSS | Minify CSS tips for costco.co.jp: Optimize front-end performance by routinely compressing CSS code through automated minification techniques that remove unnecessary spaces, tabs, new lines, and explanatory comments, which directly reduces the downloaded file size, improves Core Web Vitals scores related to Largest Contentful Paint, and increases page load speed. |
| Minified: spartacus/assets/styles.6ad236d733a73db0.css spartacus/assets/styles.6ad236d733a73db0.css Unminified: /wro/costco_responsive_spa.css?v=1.0.27ddb8a4ca /mediapermalink/costco.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for costco.co.jp: Automatically minify all JavaScript files on your website by stripping whitespace, comments, and redundant semicolons to drastically decrease file download sizes, enhancing parsing performance, and significantly improving Core Web Vitals and overall page speed, crucial factors for search engine optimization and higher rankings. |
| Minified: spartacus/assets/runtime.f7276302727f59a8.js spartacus/assets/polyfills.387bae554944a3f4.js spartacus/assets/scripts.e75bdb70af57a6b2.js spartacus/assets/main.32dd97995c2973af.js detected during site scan | |
| Structured Data | Structured Data tips for costco.co.jp: The specific schema markup you choose should directly correspond to the main topic or content type of each page, ensuring search engines consistently interpret and index your diverse content correctly. |
| no structured data data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| CDN Usage | CDN Usage tips for costco.co.jp: Implement DDoS protection and security features offered by your CDN provider to safeguard your website assets from malicious attacks and ensure uninterrupted availability for all users. |
| no cdn usage data for costco.co.jp 2026-08-14T02:17:44+00:00 | |
| SSL certificates | SSL certificates tips for costco.co.jp: SSL certificates utilize asymmetric encryption algorithms and digital signatures to establish secure connections, ensuring data integrity and authentication, where the server sends its public key to the client, and the client uses it to securely exchange a session key for symmetric encryption, facilitating fast and secure communication throughout the session. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 17 608 |
| Minimum Daily Visits: | 20 579 |
| Minimum Daily Page Views: | 35 429 |
| Minimum Monthly Unique Visitors: | 528 240 |
| Minimum Monthly Visits: | 617 370 |
| Minimum Monthly Page Views: | 1 062 870 |
| Minimum Yearly Unique Visitors: | 6 338 880 |
| Minimum Yearly Visits: | 7 408 440 |
| Minimum Yearly Page Views: | 12 754 440 |
| Maximum Daily Unique Visitors: | 22 276 |
| Maximum Daily Visits: | 23 761 |
| Maximum Daily Page Views: | 40 096 |
| Maximum Monthly Unique Visitors: | 668 280 |
| Maximum Monthly Visits: | 712 830 |
| Maximum Monthly Page Views: | 1 202 880 |
| Maximum Yearly Unique Visitors: | 8 019 360 |
| Maximum Yearly Visits: | 8 553 960 |
| Maximum Yearly Page Views: | 14 434 560 |
Estimated Valuation
| Daily Revenue: | US$ 25 - 57 |
| Monthly Revenue: | US$ 750 - 1 710 |
| Yearly Revenue: | US$ 9 000 - 20 520 |
Estimated Worth
| Minimum: | US$ 13 500 |
| Maximum: | US$ 61 560 |
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