yamakawa.co.jp
🖥 Status: up
🕒 Response Time: 2.763 sec
⬅️ Response Code: 200
Beginning May 15, 2024, functioning of yamakawa.co.jp was checked 8 times over the next 821 days. Yamakawa.co.jp was accessible 8 times, the last instance on June 30, 2026, when a 200 status code was received, out of the total tests done. Yamakawa.co.jp had zero downtime according to all assessments made as of August 14, 2026. Error statuses in the responses that were received haven't been reported as of August 14, 2026. On June 30, 2026, yamakawa.co.jp responded in 2.763 seconds, which contrasted with its average response time of 3.862 seconds.
8
Last Updated: June 30, 2026
Yamakawa overview
- Domain
- yamakawa.co.jp
- Title
- 歴史と地理の山川出版社
- Description
- 定評ある山川の歴史書。高校の日本史・世界史・地理・公民から中学歴史まで歴史と地理に関する教科書・ICT教材を発行。さらに学習参考者や各種専門書、一般書まで幅広い刊行物を出版しています。
- Main Topic
- 歴史と地理の山川 | 株式会社山川出版社
- M Site Status Rank
- 143 432
- Search Wikipedia
- yamakawa.co.jp
- Alternatives
- alternatives to yamakawa.co.jp
- Recently checked
- cayyolu.com.tr
Yamakawa.co.jp
status check request map as of August 14, 2026
Country report for yamakawa.co.jp as of August 14, 2026
| United States | 100.00% | ||||||||
| 00:03 | |||||||||
| Site | Total Checks | Last Modified |
|---|---|---|
| 10 | March 18, 2024 | |
| 3 | February 9, 2025 | |
| 8 | May 15, 2024 | |
| 7 | January 14, 2021 | |
| 6 | May 30, 2025 |
Mulher.com.br | Yamakawa.co.jp | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for yamakawa.co.jp: In the competitive landscape of search engine rankings, a precisely optimized title tag offers a critical advantage; focus on including high-search-volume target keywords early, craft a compelling value proposition within the first 55 characters, and ensure the full title accurately reflects the page's specific topic or service to boost both SEO and user engagement. |
|---|---|
| 歴史と地理の山川出版社 Length: 33 characters | |
| Meta Description | Meta Description tips for yamakawa.co.jp: Write meta descriptions as if you're creating a catchy ad; they should be concise, persuasive, include your main keyword near the beginning, and clearly explain what the user will find on the linked page. |
| 定評ある山川の歴史書。高校の日本史・世界史・地理・公民から中学歴史まで歴史と地理に関する教科書・ICT教材を発行。さらに学習参考者や各種専門書、一般書まで幅広い刊行物を出版しています。 Length: 270 characters | |
| Meta Keywords | Meta Keywords tips for yamakawa.co.jp: Effective website optimization requires a holistic approach that includes thorough keyword research, mobile-friendliness, fast loading speeds, and secure HTTPS implementation, complemented by quality backlink building, away from any keyword metadata. |
| no meta keywords data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| Page Content | Page Content tips for yamakawa.co.jp: Ensure page content is highly readable and engaging by using short paragraphs, clear language, logical flow, and strategic formatting like bullet points to enhance user experience and reduce bounce rates. |
| Web Page Content Length: 38623 characters | |
| H1 Heading | H1 Heading tips for yamakawa.co.jp: In terms of content strategy, your H1 Header is the anchor for primary keyword targeting; ensure it accurately reflects the core service, product, or information detailed on the page, reinforcing topical relevance both on-page and to search engine algorithms. |
| 歴史と地理の山川 | 株式会社山川出版社 Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for yamakawa.co.jp: Regularly reviewing and updating your H2 header content ensures it remains accurate, relevant, and aligned with any shifts in your overall topic focus or SEO strategy. |
| 山川の活動を知る トピックス 学びをより深く、効率的に 山川の 主な取り組み 受験対策を一歩先に進める 受験生 応援コーナー 受験生や一般の方にも大人気 山川の人気シリーズ お知らせ Count: 5 heading tag | |
| H3 Headings | H3 Headings tips for yamakawa.co.jp: Utilize keyword-rich H3 tags to capture specific long-form content intent, signaling to search engines the topic focus relevant to detailed user searches. |
| 山川オンラインショップで探す！ 受験生に人気の参考書 今、必要な参考書がすぐに見つかるみつかる！ 大学入試必勝ルート 受験の先輩に聞いた！ 用語集・一問一答の使い方 Count: 3 heading tag | |
| H4 Headings | H4 Headings tips for yamakawa.co.jp: Properly nested H4 headers contribute significantly to a website's semantic HTML, providing clear navigation cues for screen reader users while boosting overall accessibility standards. |
| no h4 headings data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for yamakawa.co.jp: Strategically utilize h5 and h6 headers to break up dense information, improve content scannability, and provide clear navigational cues for users seeking specific details within a complex topic. |
| no h5-h6 headings data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for yamakawa.co.jp: Descriptive ALT text should accurately reflect the image's context within the webpage; write text that precisely describes the visual element and explains its specific role or contribution to the page's message effectively. |
| https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/09/日英くらべてカルーセル.jpg https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/reiwa8nen-digitalkyoukasyo_202507.jpg https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/rekishipress-banner_nihonshi_1980×810.png https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/reiwa8nen-kyoukasyo_2025.jpg https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/kyoustuutest_banner_2508.png https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/日英くらべて_PC_1980×810.png https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/08/slider_ict.jpg https://www.yamakawa.co.jp/corporate/wp-content/uploads/2025/06/license.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_ict.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_new-text-high.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_new-text-junior.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_digital.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_press.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_license.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_service-main_historist.jpg https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/img/banner_popular-relearning.jpg and 9 more... Count: 17 images with ALT attributes | |
| Robots.txt | Robots.txt tips for yamakawa.co.jp: Protect sensitive development or staging content by adding robots.txt rules to block specific subdomains (e.g., dev.example.com) entirely, ensuring internal testing environments remain invisible to public search engines and users. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for yamakawa.co.jp: By including canonical URLs within your XML sitemap, you can effectively communicate the preferred version of duplicated content to search engines, mitigating duplicate content issues and consolidating indexing signals for better rankings. |
| no xml sitemap data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| Page Size | Page Size tips for yamakawa.co.jp: Strive for a website page size below 1MB to maximize performance across the widest range of hardware and connections; smaller file sizes directly equate to quicker load completion rates, improved Core Web Vitals scores, and higher user satisfaction indices for all visitors. |
| page size: 38 kb | |
| Response Time | Response Time tips for yamakawa.co.jp: Design your website architecture with speed in mind from the ground up, focusing on minimizing database round-trips, leveraging server-side caching for frequent queries, and structuring content delivery for optimal performance efficiency. |
| response time: 3.862 sec | |
| Minify CSS | Minify CSS tips for yamakawa.co.jp: To enhance Core Web Vitals and SEO performance, ensure your CSS is fully minified; removing all whitespace, line breaks, and comments significantly shrinks the style sheet file size, resulting in faster page load times and better user engagement, which search engines prioritize. |
| Minified: https://www.yamakawa.co.jp/corporate/wp-includes/css/dist/block-library/style.min.css?ver=6.8.3 https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/lib/swiper/swiper-bundle.min.css?ver=6.8.3 https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/css/style.min.css?ver=202501010 Unminified: https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@200..900&family=Roboto+Slab:wght@100..900&display=swap included in the page | |
| Minify JavaScript | Minify JavaScript tips for yamakawa.co.jp: Integrate automatic JavaScript minification within your deployment pipeline, ensuring every version of your website serves optimized code, which not only accelerates page rendering for improved user experience but also positively signals to search engines about site performance and technical quality. |
| Minified: https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/lib/swiper/swiper-bundle.min.js?ver=1.0 Unminified: https://www.yamakawa.co.jp/corporate/wp-content/themes/yamakawaCorporateSite/js/script.js?ver=1.0 detected during site scan | |
| Structured Data | Structured Data tips for yamakawa.co.jp: Incorporate paragraphs outlining structured data verification, markup validation steps, and troubleshooting resources tailored to your specific content or technical concerns beyond introductory Schema.org basics. |
| no structured data data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| CDN Usage | CDN Usage tips for yamakawa.co.jp: Enhance your website's overall reliability and availability by routing user requests through a CDN that offers failover mechanisms and anycast routing, ensuring that even if a single origin server or edge node experiences issues, content delivery remains uninterrupted and fast for users worldwide, a factor search engines may consider for user experience. |
| no cdn usage data for yamakawa.co.jp 2026-08-14T17:23:34+00:00 | |
| SSL certificates | SSL certificates tips for yamakawa.co.jp: Install an SSL certificate and redirect all HTTP traffic to HTTPS for your main domain; this fundamental technical requirement enhances security, provides clear ranking advantages from search engines, and signals site safety to potential customers. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 1 333 |
| Minimum Daily Visits: | 1 558 |
| Minimum Daily Page Views: | 2 682 |
| Minimum Monthly Unique Visitors: | 39 990 |
| Minimum Monthly Visits: | 46 740 |
| Minimum Monthly Page Views: | 80 460 |
| Minimum Yearly Unique Visitors: | 479 880 |
| Minimum Yearly Visits: | 560 880 |
| Minimum Yearly Page Views: | 965 520 |
| Maximum Daily Unique Visitors: | 1 686 |
| Maximum Daily Visits: | 1 799 |
| Maximum Daily Page Views: | 3 035 |
| Maximum Monthly Unique Visitors: | 50 580 |
| Maximum Monthly Visits: | 53 970 |
| Maximum Monthly Page Views: | 91 050 |
| Maximum Yearly Unique Visitors: | 606 960 |
| Maximum Yearly Visits: | 647 640 |
| Maximum Yearly Page Views: | 1 092 600 |
Estimated Valuation
| Daily Revenue: | US$ 2 - 4 |
| Monthly Revenue: | US$ 60 - 120 |
| Yearly Revenue: | US$ 720 - 1 440 |
Estimated Worth
| Minimum: | US$ 1 080 |
| Maximum: | US$ 4 320 |
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