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 822 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 15, 2026. Error statuses in the responses that were received haven't been reported as of August 15, 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
- K Site Status Rank
- 226 472
- Search Wikipedia
- yamakawa.co.jp
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Yamakawa.co.jp
status check request map as of August 15, 2026
Country report for yamakawa.co.jp as of August 15, 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 |
Kern.ca.us | Yamakawa.co.jp | ||||
|---|---|---|---|---|---|
General SEO Report
| Page Title | Page Title tips for yamakawa.co.jp: Website titles significantly impact click-through rate (CTR), which is a key ranking signal considered by search engines; crafting titles that are clear, concise, and compelling can directly influence your page's performance in search results and organic visibility. |
|---|---|
| 歴史と地理の山川出版社 Length: 33 characters | |
| Meta Description | Meta Description tips for yamakawa.co.jp: Meta descriptions should incorporate keywords in a natural flow, avoiding keyword stuffing or unnatural variations that could appear spammy to both users and search engine algorithms, prioritizing readability and user intent. |
| 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| Meta Keywords | Meta Keywords tips for yamakawa.co.jp: While some outdated SEO tools might still report keyword data, relying on meta keywords for SEO analysis or ranking signals is inaccurate and counterproductive for improving visibility in today's search landscape. |
| no meta keywords data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| Page Content | Page Content tips for yamakawa.co.jp: Focus on creating engaging, user-focused page content that provides clear value, answers common questions comprehensively, and encourages positive user interaction and time-on-page metrics. |
| Web Page Content Length: 38623 characters | |
| H1 Heading | H1 Heading tips for yamakawa.co.jp: Using a descriptive and unique H1 tag for each individual webpage not only aids search engine crawlers in indexing the specific content accurately but also significantly enhances website navigation for returning users familiar with the page's purpose. |
| 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: Consider your target audience's search intent when crafting H2 headings, ensuring they answer common questions or address specific concerns within your content domain. |
| 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: Don't overlook the H3 level for keyword targeting; utilize these sub-headings to naturally integrate long-tail keywords that address specific user needs related to your broader H2 section topic. |
| 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: For blog posts, e-commerce product descriptions, or any detailed page, integrating H4 headers allows you to break down dense information, making complex topics more digestible and accessible. |
| no h4 headings data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for yamakawa.co.jp: To optimize for SEO, strategically incorporate H5 and H6 headings within your content, placing them contextually relevant to keyword themes and user intent to improve topical relevance and engagement indicators like dwell time. |
| no h5-h6 headings data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for yamakawa.co.jp: Provide clear, concise ALT text that accurately describes the image and its context within the page content for optimal user experience and to help search engines understand the image's relationship to the surrounding text. |
| 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: A robots.txt file serves as a directive for search engine crawlers, specifying which parts of your website should or should not be accessed or indexed, helping focus crawl budget on priority areas for better SEO performance. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for yamakawa.co.jp: Consider an XML sitemap as a foundational element of your website's technical SEO strategy, complementing other best practices like optimizing meta tags and ensuring fast loading speeds to maximize overall search engine performance and ranking potential. |
| no xml sitemap data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| Page Size | Page Size tips for yamakawa.co.jp: The overall page size contributes significantly to Core Web Vitals, particularly Largest Contentful Paint (LCP); prioritize size reduction for faster perceived performance. |
| page size: 38 kb | |
| Response Time | Response Time tips for yamakawa.co.jp: Avoid high TTFB by optimizing content delivery networks and database queries, ensuring your website maintains low response times across diverse geographical user locations. |
| response time: 3.862 sec | |
| Minify CSS | Minify CSS tips for yamakawa.co.jp: Integrating CSS minification into your deployment pipeline, whether via server configurations or static site generators, automatically removes whitespace, comments, and redundant code, ensuring consistently smaller CSS file sizes for faster website performance and better rankings. |
| 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: Effectively prioritize the minification of JavaScript files based on their size and the criticality of the functionality they provide; focus significant optimization efforts on large, frequently loaded scripts that have the most substantial impact on page load time, directly contributing to better Core Web Vitals and consequently improved SEO rankings. |
| 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: Integrating Schema Meta Data into your website's HTML using JSON-LD format significantly enhances search engine comprehension of your content, potentially unlocking rich snippets and other enhanced search result features that drive more qualified traffic. |
| no structured data data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| CDN Usage | CDN Usage tips for yamakawa.co.jp: Select a CDN provider offering robust security protocols, including SSL/TLS encryption for data in transit, to safeguard sensitive user data and maintain user trust on your website platform. |
| no cdn usage data for yamakawa.co.jp 2026-08-15T14:54:34+00:00 | |
| SSL certificates | SSL certificates tips for yamakawa.co.jp: SSL encryption prevents man-in-the-middle attacks, safeguarding user data during transmission and demonstrating a strong commitment to security, which search engines reward with improved rankings. |
| SSL is enabled on the website |
Estimated Traffic
| Minimum Daily Unique Visitors: | 2 106 |
| Minimum Daily Visits: | 2 461 |
| Minimum Daily Page Views: | 4 237 |
| Minimum Monthly Unique Visitors: | 63 180 |
| Minimum Monthly Visits: | 73 830 |
| Minimum Monthly Page Views: | 127 110 |
| Minimum Yearly Unique Visitors: | 758 160 |
| Minimum Yearly Visits: | 885 960 |
| Minimum Yearly Page Views: | 1 525 320 |
| Maximum Daily Unique Visitors: | 2 664 |
| Maximum Daily Visits: | 2 841 |
| Maximum Daily Page Views: | 4 795 |
| Maximum Monthly Unique Visitors: | 79 920 |
| Maximum Monthly Visits: | 85 230 |
| Maximum Monthly Page Views: | 143 850 |
| Maximum Yearly Unique Visitors: | 959 040 |
| Maximum Yearly Visits: | 1 022 760 |
| Maximum Yearly Page Views: | 1 726 200 |
Estimated Valuation
| Daily Revenue: | US$ 3 - 7 |
| Monthly Revenue: | US$ 90 - 210 |
| Yearly Revenue: | US$ 1 080 - 2 520 |
Estimated Worth
| Minimum: | US$ 1 620 |
| Maximum: | US$ 7 560 |
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