Beginning May 15, 2024, functioning of yamakawa.co.jp was checked 8 times over the next 820 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.
| 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 |
Pouyanit.com | Yamakawa.co.jp | ||||
|---|---|---|---|---|---|
| Page Title | Page Title tips for yamakawa.co.jp: Considering synonyms and related keyword phrases allows for building semantic relevance within the title tag, creating comprehensive coverage for user search intents. |
|---|---|
| 歴史と地理の山川出版社 Length: 33 characters | |
| Meta Description | Meta Description tips for yamakawa.co.jp: To maximize the effectiveness of your meta description across platforms and devices, ensure it speaks directly to the specific intent behind each search query, whether informational, navigational, or transactional, thus significantly improving user relevance perception compared to generic page summaries that offer no clear connection to the keyword search. |
| 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: Retargeting campaigns convert unfinished browsing sessions into customers, leveraged via platforms like Google Ads rather than improved organic keyword presence. |
| no meta keywords data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| Page Content | Page Content tips for yamakawa.co.jp: Understand that page content design heavily relies on effective heading hierarchy and varied text formatting, which not only enhances readability but also contributes significantly to SEO outcomes. |
| Web Page Content Length: 38623 characters | |
| H1 Heading | H1 Heading tips for yamakawa.co.jp: A well-optimized H1 header dramatically enhances content discoverability by providing search engines with a clear, authoritative summary of page content and improving readability for crawlers, which positively impacts your keyword ranking results for related long-tail suggestions. |
| 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: Consistently applying a consistent capitalization style, like Title Case or Sentence case, across all H2 header tags contributes to a professional website design aesthetic and ensures uniformity in presentation. |
| 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: Effective H3 headers avoid overcomplication, instead favoring clear, concise language that accurately describes the precise scope and importance of the content points immediately following them. |
| 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 websites with high topical authority or ranking strength, adding deeper H4 layer detail can often lead to new long-tail keyword rankings appearing almost organically as search engines dig deeper into the structure to identify previously untargeted user questions within the established knowledge base. |
| no h4 headings data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for yamakawa.co.jp: The 'data-*' HTML attribute can be appended alongside H5 or H6 headings to store custom metadata specific to that header section designed precisely for internal website functionality. |
| no h5-h6 headings data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for yamakawa.co.jp: Adopt comprehensive alt text strategies that explain every image's purpose or content directly; clear descriptions infused with strategic keywords directly enhance semantic SEO, establishing your website as a relevant resource in search rankings. |
| 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: Explore methods to manage crawl patterns effectively to reserve bots' capacity for crucial website content, preventing resource waste during periods of heavy site updates or new feature launches that require prioritized indexing and accurate representation in search results. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for yamakawa.co.jp: The XML sitemap submission should be included in your ongoing website health monitoring; regular auditing for duplicates, outdated entries, or formatting issues is crucial for sustained SEO success. |
| no xml sitemap data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| Page Size | Page Size tips for yamakawa.co.jp: The Cumulative Layout Shift metric measures visual stability, but underlying factors often include large resources or poor-quality loading affecting perceived page quality. |
| page size: 38 kb | |
| Response Time | Response Time tips for yamakawa.co.jp: Implementing server-side rendering (SSR) for critical initial page loads ensures content appears quickly, reducing perceived overall page load time despite potential backend processing duration required for rendering |
| response time: 3.862 sec | |
| Minify CSS | Minify CSS tips for yamakawa.co.jp: Efficient CSS code compression techniques result in visually indistinguishable but more compact stylesheets, dramatically improving website speed, which is a major ranking factor for search engines like Google worldwide, leading to higher organic search positions, increased click-through rates, and sustained user engagement across all devices. |
| 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: For maximum efficiency, integrate JavaScript minification into your development workflow to ensure timely and consistent script reduction; neglecting this practice allows excess data (whitespace characters, debugging comments) to unnecessarily inflate page weight, resulting in sluggish performance that can harm SEO relevance across various search platforms. |
| 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: In the realm of technical SEO, schema implementation is a best practice for data syndication and integration, making it easier for third-party data aggregators or other services to consume and understand your website information. |
| no structured data data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| CDN Usage | CDN Usage tips for yamakawa.co.jp: Implementing a pull-through cache workflow, where your origin server pushes updates that automatically replicate across the CDN's global network, guarantees near-instantaneous updates for end-users, crucial for caching dynamic content effectively. |
| no cdn usage data for yamakawa.co.jp 2026-08-14T11:59:02+00:00 | |
| SSL certificates | SSL certificates tips for yamakawa.co.jp: Best practice for securing dynamic content generated server-side involves consistently enforcing HTTPS via application code mechanisms rather than dependent on server configuration alone, preventing subtle mixed content vulnerabilities even after SSL implementation. |
| SSL is enabled on the website |
| Minimum Daily Unique Visitors: | 1 330 |
| Minimum Daily Visits: | 1 554 |
| Minimum Daily Page Views: | 2 675 |
| Minimum Monthly Unique Visitors: | 39 900 |
| Minimum Monthly Visits: | 46 620 |
| Minimum Monthly Page Views: | 80 250 |
| Minimum Yearly Unique Visitors: | 478 800 |
| Minimum Yearly Visits: | 559 440 |
| Minimum Yearly Page Views: | 963 000 |
| Maximum Daily Unique Visitors: | 1 682 |
| Maximum Daily Visits: | 1 794 |
| Maximum Daily Page Views: | 3 028 |
| Maximum Monthly Unique Visitors: | 50 460 |
| Maximum Monthly Visits: | 53 820 |
| Maximum Monthly Page Views: | 90 840 |
| Maximum Yearly Unique Visitors: | 605 520 |
| Maximum Yearly Visits: | 645 840 |
| Maximum Yearly Page Views: | 1 090 080 |
| Daily Revenue: | US$ 2 - 4 |
| Monthly Revenue: | US$ 60 - 120 |
| Yearly Revenue: | US$ 720 - 1 440 |
| Minimum: | US$ 1 080 |
| Maximum: | US$ 4 320 |
| Rank | Points | |
|---|---|---|
| 511 959 | 3 776 430 | |
| 511 960 | 3 776 430 | |
| 511 961 | 3 776 430 | |
| 511 962 | 3 776 429 | |
| 511 963 | 3 776 429 | |
| 511 964 | 3 776 429 | |
| 511 965 | 3 776 429 | |
| 511 966 | 3 776 428 | |
| 511 967 | 3 776 428 | |
| 511 968 | 3 776 428 | |
| 511 969 | 3 776 428 |