kobun.co.jp
🖥 Status: up
🕒 Response Time: 1.517 sec
⬅️ Response Code: 200
Data from the 633 day period starting on November 19, 2024, indicates 8 analyses of the operation of kobun.co.jp. Kobun.co.jp returned a 200 status code 8 times out of analyses that was conducted, with the last one occurring on June 10, 2026. As of August 15, 2026, no unavailability was found for kobun.co.jp across all evaluations. As of August 15, 2026, all replies received indicate that none of them have an error status. Kobun.co.jp's June 10, 2026, response was received in 1.517 seconds, contrasting its 1.161 seconds average response time.
8
Last Updated: June 10, 2026
Kobun overview
- Domain
- kobun.co.jp
- Title
- 光文書院｜小学校 テスト・ドリル・デジタル教材・校務支援
- Description
- 光文書院は，小学校（小学生）対象に国語・算数・理科・社会・家庭科などのテストやくりかえし漢字ドリル・計算ドリルなどの図書教材の発行，さんすうせっとなどの教具の制作，デジタル教材や校務支援ソフトなどの教育ICT事業を展開しています。
- B Site Status Rank
- 106 400
- Search Wikipedia
- kobun.co.jp
- Alternatives
- alternatives to kobun.co.jp
- Recently checked
- dgachieve.com
bayer-foundations.com
Last Updated: July 5, 2026
Status: error
Response Time: 0.377 sec
Response Code: 403
Kobun.co.jp
status check request map as of August 15, 2026
Country report for kobun.co.jp as of August 15, 2026
| Singapore | 100.00% | ||||||||
| 14:09 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 11 | April 5, 2022 | |
| 8 | November 16, 2024 | |
| 8 | November 19, 2024 | |
| 14 | April 30, 2025 | |
| 27 | June 27, 2021 |
Brightchild.pl | Kobun.co.jp | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for kobun.co.jp: To maximize SEO performance, website titles must clearly communicate the core topic of the page to search engines like Google, ensuring relevance for the user's query and accurate indexing; integrating primary keywords early in the title helps reinforce topical relevance and strengthens the semantic signals sent to search algorithms, supporting higher rankings for core user intents related to that page's subject matter. |
|---|---|
| 光文書院｜小学校 テスト・ドリル・デジタル教材・校務支援 Length: 82 characters | |
| Meta Description | Meta Description tips for kobun.co.jp: Besides the primary keyword, include relevant secondary keywords within your meta description when appropriate to capture a wider range of search queries and attract users with related interests seeking more information online |
| 光文書院は，小学校（小学生）対象に国語・算数・理科・社会・家庭科などのテストやくりかえし漢字ドリル・計算ドリルなどの図書教材の発行，さんすうせっとなどの教具の制作，デジタル教材や校務支援ソフトなどの教育ICT事業を展開しています。 Length: 339 characters | |
| Meta Keywords | Meta Keywords tips for kobun.co.jp: The emphasis in SEO has shifted from keyword density in tags towards creating a natural, comprehensive topic cluster strategy that satisfies user search queries effectively. |
| no meta keywords data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| Page Content | Page Content tips for kobun.co.jp: Focus on using clear, simple language that is easily understood by your target audience, avoiding excessive jargon or overly complex sentences, thereby reducing bounce rates and encouraging deeper exploration of the page content. |
| Web Page Content Length: 33166 characters | |
| H1 Heading | H1 Heading tips for kobun.co.jp: Choose an H1 header that accurately reflects the main content of the page, avoiding clickbait tactics or misleading headlines that promise content but deliver something vastly different, as this erodes trust and SEO value. |
| no h1 heading data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| H2 Headings | H2 Headings tips for kobun.co.jp: H2 headers significantly improve page load speed and SEO performance by allowing search engines like Google to quickly parse the topical relevance of different content sections with greater accuracy. |
| お知らせ Count: 1 heading tag | |
| H3 Headings | H3 Headings tips for kobun.co.jp: Analyze competitor content to see how they utilize H3 tags for keyword targeting and content organization within their relevant industry or niche, adapting best practices to your own work. |
| ドリルプラネット CBTタワー デジタル教材動画一覧 サービスサイト コーポレートサイト Count: 5 heading tag | |
| H4 Headings | H4 Headings tips for kobun.co.jp: Employing H4 headers correctly ensures that detailed information points are logically separated from broader parent topics, making your content more organized and easier for both users and search engines to parse, leading to improved readability and potentially better keyword rankings for those granular details. |
| no h4 headings data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for kobun.co.jp: Differentiate H5 tags for slightly larger sub-sections and H6 for smaller, granular points within your content to maintain a clear visual hierarchy and logical flow in complex web pages. |
| no h5-h6 headings data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for kobun.co.jp: Accessibility and SEO go hand-in-hand when you use detailed alt text for all images on your website; ensure your alt attributes accurately describe the image content and function in a natural, user-friendly manner to benefit everyone. |
| no image alt attributes data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| Robots.txt | Robots.txt tips for kobun.co.jp: Avoid overly broad blocking in your robots.txt file which unintentionally prevents the crawling and indexing of critical website content, hindering your search engine rankings significantly. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for kobun.co.jp: For websites with complex structures, mobile-friendly designs, extensive archives, or international targeting, an XML sitemap serves as a vital communication tool, guiding crawlers through navigation paths and prioritizing key user experience assets effectively. |
| https://www.kobun.co.jp/wp-content/uploads/sitemap.xml available for crawling | |
| Page Size | Page Size tips for kobun.co.jp: Faster page loading speeds driven by reduced page size translate directly into better engagement rates, lower bounce rates, and improved conversion metrics across your digital platforms. |
| page size: 32 kb | |
| Response Time | Response Time tips for kobun.co.jp: Quick server response time is fundamental to a good user experience; analyze and fine-tune server configuration, database query execution, and backend code efficiency to deliver dynamic content swiftly for improved SEO. |
| response time: 1.161 sec | |
| Minify CSS | Minify CSS tips for kobun.co.jp: Enhancing Core Web Vitals requires implementing CSS minification, which automatically eliminates whitespace and comments, shrinking file sizes and accelerating page loads, directly improving user experience and SEO potential. |
| Minified: https://use.fontawesome.com/releases/v5.5.0/css/all.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/jquery.bxslider.min.css https://www.kobun.co.jp/wp-includes/css/dist/block-library/style.min.css?ver=6.0.1 Unminified: https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/variable.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/html5reset.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/font.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/accordion.css https://fonts.googleapis.com/css?family=Noto+Sans+JP:400,500,700,900&display=swap&subset=japanese https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/slick/slick-theme.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/slick/slick.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/lightbox/lightbox.css https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/main_layout.css?20191101_4 https://www.kobun.co.jp/wp-content/themes/kobun/assets/css/contents.css?20191101_4 /wp-content/themes/kobun/assets/js/stickybnr/css/sticky.css included in the page | |
| Minify JavaScript | Minify JavaScript tips for kobun.co.jp: Optimize your website's JavaScript by minifying it, removing all whitespace, formatting, and comments, to decrease load times and improve user satisfaction, a factor considered for search rankings. |
| Minified: https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/jquery.js Unminified: https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/slick/slick.js https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/jquery.bxslider.min.js https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/main.js?20191101_2 https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/lightbox/lightbox.min.js https://www.kobun.co.jp/wp-content/themes/kobun/assets/js/accordion.js /wp-content/themes/kobun/assets/js/stickybnr/sticky_display.js detected during site scan | |
| Structured Data | Structured Data tips for kobun.co.jp: Detailed FAQ schema markup can directly integrate question-and-answer sections from your content into the search engine results, offering immediate value to users seeking quick answers and potentially increasing dwell time and conversions. |
| no structured data data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| CDN Usage | CDN Usage tips for kobun.co.jp: Strategically deploy your website's static assets, such as high-resolution images, CSS stylesheets, and minified JavaScript files, across a global Content Delivery Network (CDN) to ensure that users worldwide experience minimal latency and consistently fast page load times regardless of their geographical location. |
| no cdn usage data for kobun.co.jp 2026-08-15T12:16:00+00:00 | |
| SSL certificates | SSL certificates tips for kobun.co.jp: The visual indicators provided by SSL certificates, such as the secure connection icon and 'https' prefix displayed by browsers, directly influence user perception and behavior, leading to increased engagement and reduced cart abandonment on secure sites. |
| no ssl certificates data for kobun.co.jp 2026-08-15T12:16:00+00:00 |
Estimated Traffic
| Minimum Daily Unique Visitors: | 3 977 |
| Minimum Daily Visits: | 4 648 |
| Minimum Daily Page Views: | 8 003 |
| Minimum Monthly Unique Visitors: | 119 310 |
| Minimum Monthly Visits: | 139 440 |
| Minimum Monthly Page Views: | 240 090 |
| Minimum Yearly Unique Visitors: | 1 431 720 |
| Minimum Yearly Visits: | 1 673 280 |
| Minimum Yearly Page Views: | 2 881 080 |
| Maximum Daily Unique Visitors: | 5 032 |
| Maximum Daily Visits: | 5 367 |
| Maximum Daily Page Views: | 9 057 |
| Maximum Monthly Unique Visitors: | 150 960 |
| Maximum Monthly Visits: | 161 010 |
| Maximum Monthly Page Views: | 271 710 |
| Maximum Yearly Unique Visitors: | 1 811 520 |
| Maximum Yearly Visits: | 1 932 120 |
| Maximum Yearly Page Views: | 3 260 520 |
Estimated Valuation
| Daily Revenue: | US$ 6 - 13 |
| Monthly Revenue: | US$ 180 - 390 |
| Yearly Revenue: | US$ 2 160 - 4 680 |
Estimated Worth
| Minimum: | US$ 3 240 |
| Maximum: | US$ 14 040 |
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