corona.co.jp
🖥 Status: up
🕒 Response Time: 2.038 sec
⬅️ Response Code: 200
Data shows corona.co.jp underwent 22 availability tests during the 1 955 day interval starting on April 6, 2021. Checks conducted have shown that corona.co.jp is functioning 22 times, the most recent was on July 25, 2026, when a 200 status code was received. As of August 14, 2026, all tests indicated that no inaccessibility periods occurred on corona.co.jp. No error statuses were reported in any responses received as of August 14, 2026, according to all replies. The response time for corona.co.jp on July 25, 2026, was recorded as 2.038 seconds compared to the average of 2.082 seconds.
22
Last Updated: July 25, 2026
Corona overview
- Domain
- corona.co.jp
- Title
- 株式会社コロナ
- Description
- コロナは石油ファンヒーターや石油ストーブ、給湯機、エアコン、美容機器などを取り扱う総合住宅設備メーカーです。
- O Site Status Rank
- 129 812
- Search Wikipedia
- corona.co.jp
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Corona.co.jp
status check request map as of August 14, 2026
Country report for corona.co.jp as of August 14, 2026
| Russia | 100.00% | ||||||||
| 13:53 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 24 | December 26, 2024 | |
| 19 | November 15, 2024 | |
| 22 | April 6, 2021 | |
| 18 | December 8, 2020 | |
| 10 | December 29, 2024 |
Phothutaw.com | Corona.co.jp | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for corona.co.jp: Meticulous attention to character limits is vital for website titles; every character counts in search engine snippets, precise keyword placement technique maximizes visibility even within tight allocations, full utilization encourages readers to click through, and good grammar and keyword density combined create compelling yet brief descriptions. |
|---|---|
| 株式会社コロナ Length: 21 characters | |
| Meta Description | Meta Description tips for corona.co.jp: Regularly review and update your meta descriptions, especially for high-performing pages, ensuring consistency with the page's content; keep them concise (max 160 characters), user-focused, and packed with strategically placed primary and secondary keywords. |
| コロナは石油ファンヒーターや石油ストーブ、給湯機、エアコン、美容機器などを取り扱う総合住宅設備メーカーです。 Length: 162 characters | |
| Meta Keywords | Meta Keywords tips for corona.co.jp: In contrast to keyword-rich meta descriptions which influence click-through rates, the meta keywords tag itself offers zero impact on how search engines index or rank your webpage content. |
| no meta keywords data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| Page Content | Page Content tips for corona.co.jp: Focus on creating unique, authoritative page content that synthesizes information from credible sources while adding original analysis, thereby differentiating your site from generic competitors |
| Web Page Content Length: 23147 characters | |
| H1 Heading | H1 Heading tips for corona.co.jp: Strategically incorporating your primary keywords naturally within the H1 header can boost your page's visibility in relevant search results, driving more targeted organic traffic to your site. |
| no h1 heading data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| H2 Headings | H2 Headings tips for corona.co.jp: To maximize SEO impact, ensure each H2 header incorporates one primary keyword or a key phrase relevant to the section's content, aligning with the core semantic intent of the page. |
| コロナ石油ストーブをご愛用の皆様へ 定期点検等を装った訪問販売業者に関するご注意 ニュース 重要なお知らせ ピックアップ情報 Count: 5 heading tag | |
| H3 Headings | H3 Headings tips for corona.co.jp: Remember that H3 headers contribute to your page's dwell time signals; well-crafted, user-focused subheadings keep visitors engaged longer by providing the precise, structured information they initially landed on your page to find. |
| 「STOP!ヒートショックプロジェクト」に参画しています 冬シーズンにも負けない！部屋干しキャンペーンパート3を開催！ ブロガーまめきちまめこさんコラボグッズが必ずもらえる！加湿器キャンペーン ClassicBlackご購入・抽選で「新潟匠の逸品」が当たる！ 好評につき完売した「あずきミルク」が再入荷！ OUTFIELD新シリーズ「NIGHT BLACK EDITION」登場 エコキュートの累計出荷台数が1,000万台を突破！ 暖房アウトレット品順次入荷中！ コロナストア限定衣類乾燥除湿機「カフェオレベージュ」発売 上越新幹線「Maxとき」モデルの衣類乾燥除湿機を限定販売！ エコキュートの節電方法 修理・アフターサービスに関するお問い合わせ Count: 12 heading tag | |
| H4 Headings | H4 Headings tips for corona.co.jp: Employing H4 headers effectively creates clear visual breaks and signposts within your article or webpage content, guiding users seamlessly through the information and encouraging longer session durations. |
| no h4 headings data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for corona.co.jp: While H5 and H6 offer granular control for intricate document layouts, overusing these tags within main content can confuse users about the core topic flow and diminish semantic clarity. |
| no h5-h6 headings data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for corona.co.jp: For images used purely for decorative purposes with no contextual importance, a low-impact target (ALT) attribute is recommended, often leaving the 'alt' attribute empty or using minimal text like a single emoji or bracketed descriptor if necessary to prevent screen readers from pausing for an empty description. |
| no image alt attributes data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| Robots.txt | Robots.txt tips for corona.co.jp: Block non-essential JavaScript bundles, CSS files, or image assets (e.g., '/js/*.js', '/images/system') listed in robots.txt to reduce unnecessary server load from crawlers and improve crawl budget efficiency by focusing on core page content. |
| no robots.txt data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| XML Sitemap | XML Sitemap tips for corona.co.jp: XML sitemap files play a crucial role in guiding search engines through your website's structure, especially for complex sites, ensuring that vital pages like category listings, product pages, contact information, and important blog articles are consistently crawled, indexed, and surfaced in search results. |
| no xml sitemap data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| Page Size | Page Size tips for corona.co.jp: Consider adjusting content types, for example, replacing very long white papers with well-cited summary blog content, thereby reducing average page weight and improving accessibility across different user segments. |
| page size: 23 kb | |
| Response Time | Response Time tips for corona.co.jp: Utilizing a Content Delivery Network (CDN) strategically places cached content closer to the user, significantly reducing the physical distance data must travel, thereby drastically cutting down overall website response latency regardless of server location. |
| response time: 2.082 sec | |
| Minify CSS | Minify CSS tips for corona.co.jp: For websites aiming for superior SEO and user experience, CSS minification is indispensable; it automatically shrinks CSS files by over 50% through the intelligent removal of whitespace, newlines, comments, and redundant code, directly boosting page speed, strengthening Core Web Vitals, and enhancing your site's competitiveness in search rankings. |
| Minified: //maxcdn.bootstrapcdn.com/font-awesome/4.6.2/css/font-awesome.min.css Unminified: /css/reset.css?2 /css/drawer.css?2 /css/layout.css?2 /css/top.css?2 /css/slick.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for corona.co.jp: While minification reduces file size, consider the trade-off with readability for human debugging; maintain separate, unminified versions for development purposes without impacting the minified production files, striking a balance between performance and maintainability. |
| Minified: https://www3.gred.jp/saas/gred_checker.js?sid=12854&lang=ja /js/jquery.min.js /js/iscroll.min.js Unminified: /js/drawer.js /js/plugins.js /js/slick.js /js/top.js /js/jquery.matchHeight.js detected during site scan | |
| Structured Data | Structured Data tips for corona.co.jp: For e-commerce websites, implementing Product Schema is highly recommended to enhance product listings in search results by showcasing price, availability, brand, and review information, driving direct purchasing intent. |
| no structured data data for corona.co.jp 2026-08-14T09:00:34+00:00 | |
| CDN Usage | CDN Usage tips for corona.co.jp: Select a reputable Content Delivery Network (CDN) provider and meticulously configure its caching rules to maximize the duration your static website resources, such as images, CSS, and JavaScript, remain cached on edge nodes, significantly improving load times and user retention. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for corona.co.jp: Implementing SSL across your website enhances user experience by providing a sense of safety and professionalism, encouraging longer visits, lower bounce rates, and higher conversion rates as visitors trust the secure connection. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 10 018 |
| Minimum Daily Visits: | 11 708 |
| Minimum Daily Page Views: | 20 157 |
| Minimum Monthly Unique Visitors: | 300 540 |
| Minimum Monthly Visits: | 351 240 |
| Minimum Monthly Page Views: | 604 710 |
| Minimum Yearly Unique Visitors: | 3 606 480 |
| Minimum Yearly Visits: | 4 214 880 |
| Minimum Yearly Page Views: | 7 256 520 |
| Maximum Daily Unique Visitors: | 12 674 |
| Maximum Daily Visits: | 13 518 |
| Maximum Daily Page Views: | 22 812 |
| Maximum Monthly Unique Visitors: | 380 220 |
| Maximum Monthly Visits: | 405 540 |
| Maximum Monthly Page Views: | 684 360 |
| Maximum Yearly Unique Visitors: | 4 562 640 |
| Maximum Yearly Visits: | 4 866 480 |
| Maximum Yearly Page Views: | 8 212 320 |
Estimated Valuation
| Daily Revenue: | US$ 14 - 33 |
| Monthly Revenue: | US$ 420 - 990 |
| Yearly Revenue: | US$ 5 040 - 11 880 |
Estimated Worth
| Minimum: | US$ 7 560 |
| Maximum: | US$ 35 640 |
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