The operability of spaces.ac.cn was checked 7 times during a period of 2 672 days, beginning on April 20, 2019. Checks conducted have shown that spaces.ac.cn is functioning 2 times, the most recent was on July 8, 2024, when a 200 status code was received. The checks conducted as of August 14, 2026, did not find any downtime issues related to spaces.ac.cn. The most recent error instance was the response with code 403, dated August 12, 2026, out of a total of 5 error instances. On August 12, 2026, contrasted by a 3.972 seconds average, spaces.ac.cn's response time was 2.182 seconds.
| Other Countries | 100.00% | ||||||||
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| Site | Total Checks | Last Modified |
|---|---|---|
| 7 | January 17, 2025 | |
| 21 | January 8, 2025 | |
| 7 | April 20, 2019 | |
| 47 | July 14, 2022 | |
| 19 | April 10, 2024 |
Phunulife.vn | Spaces.ac.cn | ||||
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| Page Title | Page Title tips for spaces.ac.cn: Historical Title word count data provides patterns for modern optimization, demonstrating that while character limits may fluctuate, user-focused clarity and semantic keyword prevalence consistently drive stronger indexing and lower bounce rates across search result generations. |
|---|---|
| 科学空间|Scientific Spaces Length: 30 characters | |
| Meta Description | Meta Description tips for spaces.ac.cn: When optimizing your meta description text, aim for clarity and relevance, ensuring it incorporates your primary keyword naturally while staying under the 160-character limit, directly answering the user's query or addressing their problem to increase the likelihood of a click and improve your SEO strategy. |
| 渴望成为一个小飞侠 Length: 27 characters | |
| Meta Keywords | Meta Keywords tips for spaces.ac.cn: For effective SEO in 2024, relying on meta keywords is no longer beneficial as major search engines globally, including Google, have officially deprecated them, considering their signals irrelevant and often spammy. |
| no meta keywords data for spaces.ac.cn 2026-08-14T16:11:20+00:00 | |
| Page Content | Page Content tips for spaces.ac.cn: Conduct thorough keyword research to identify valuable semantic keywords related to your main page topic, strategically weaving them into the content to broaden reach and topical relevance. |
| Web Page Content Length: 51245 characters | |
| H1 Heading | H1 Heading tips for spaces.ac.cn: The H1 header serves a vital role in on-page SEO by explicitly signaling the page's primary topic to search engines, influencing their ability to categorize content accurately and match it with user queries effectively. |
| 科学空间|Scientific Spaces Count: 1 heading tag | |
| H2 Headings | H2 Headings tips for spaces.ac.cn: For e-commerce websites, utilize H2 tags to structure product categories, features, and benefits, improving navigation and potentially increasing conversion rates directly. |
| SEARCH MENU CATEGORIES NEWPOSTS COMMENTS USERLOGIN 生成扩散模型漫谈(三十一):预测数据而非噪声 信噪之比 Muon优化器指南:快速上手与关键细节 简要介绍 AdamW的Weight RMS的渐近估计(下) 步骤之一 n个正态随机数的最大值的渐近估计 先看结论 流形上的最速下降:5. 对偶梯度下降 基本概念 低精度Attention可能存在有偏的舍入误差 结论简述 MuP之上:1. 好模型的三个特征 写在前面 随机矩阵的谱范数的快速估计 随机矩阵论 Count: 22 heading tag | |
| H3 Headings | H3 Headings tips for spaces.ac.cn: Incorrect H3 header management can lead to penalized search rankings and a confusing user experience; ensure your hierarchy remains logical starting from the H1. |
| 参与科学空间 关于站长 智能搜索 热门标签 最新文章 最近评论 友情链接 Count: 7 heading tag | |
| H4 Headings | H4 Headings tips for spaces.ac.cn: In blog comment sections or forums, individual engaging but off-topic remarks or particularly insightful non-mainstream opinions could be highlighted with an H4 header, drawing attention to community-contributed content snippets beyond the standard thread flow. |
| no h4 headings data for spaces.ac.cn 2026-08-14T16:11:20+00:00 | |
| H5-H6 Headings | H5-H6 Headings tips for spaces.ac.cn: Use H5 or H6 tags for footers or sidebars content that is supplementary to the main content block, ensuring it doesn't interfere with the core heading structure required for SEO. |
| no h5-h6 headings data for spaces.ac.cn 2026-08-14T16:11:20+00:00 | |
| Image ALT Attributes | Image ALT Attributes tips for spaces.ac.cn: Don't forget to update ALT text during content updates or redesigns, as outdated descriptions can become inaccurate or lose SEO relevance, potentially harming your site's performance for searches related to older topics. |
| https://spaces.ac.cn/usr/themes/geekg/images/slide-button.png https://spaces.ac.cn/usr/themes/geekg/images/yuzhou.gif https://spaces.ac.cn/usr/themes/geekg/images/license.png https://spaces.ac.cn/usr/themes/geekg/images/avatar.png https://kexue.fm/usr/themes/geekg/images/cc.gif Count: 5 images with ALT attributes | |
| Robots.txt | Robots.txt tips for spaces.ac.cn: Employ the `robots.txt` file meticulously to prevent search engine bots from crawling non-public, staging, or testing sections of your site (like /private/ or /admin/), ensuring only your main public-facing content influences SEO metrics. |
| file robots.txt was found on the website | |
| XML Sitemap | XML Sitemap tips for spaces.ac.cn: Submitting a well-formatted XML sitemap to search engine consoles allows for better control over how crawlers interpret URL importance and schedule the crawling and indexing of your website content. |
| no xml sitemap data for spaces.ac.cn 2026-08-14T16:11:20+00:00 | |
| Page Size | Page Size tips for spaces.ac.cn: When developing or updating web content, remember that every kilobyte of unoptimized media, excessive JavaScript, or bloated CSS adds to the total page size; employ techniques like image optimization and code compression to maintain fast load times for optimal SEO. |
| page size: 50 kb | |
| Response Time | Response Time tips for spaces.ac.cn: Regularly update your Content Management System (CMS), themes, and plugins, as outdated or poorly coded software can significantly increase page load response times and introduce performance issues. |
| response time: 3.972 sec | |
| Minify CSS | Minify CSS tips for spaces.ac.cn: Integrating CSS compression into your site's performance strategy involves removing whitespace, inline comments, and unused code, resulting in smaller files that load faster and contribute to better Core Web Vitality metrics; this simple optimization is crucial for enhancing user experience and SEO effectiveness. |
| Minified: https://spaces.ac.cn/usr/themes/geekg/prism.css Unminified: https://spaces.ac.cn/usr/themes/geekg/style.css?v=20241013 included in the page | |
| Minify JavaScript | Minify JavaScript tips for spaces.ac.cn: Integrate a robust JavaScript minification solution into your content delivery network (CDN) strategy to leverage edge caching and serve highly compressed scripts, dramatically improving load times for users across the globe and positively impacting your site's SEO performance. |
| Minified: https://spaces.ac.cn/usr/themes/geekg/js/prism.js https://spaces.ac.cn/sci/MathJax-2.7.9/MathJax.js?config=TeX-AMS-MML_HTMLorMML Unminified: https://s3.pstatp.com/cdn/expire-1-M/jquery/3.2.1/jquery.js https://spaces.ac.cn/usr/themes/geekg/js/prototype.js https://spaces.ac.cn/usr/themes/geekg/js/effects.js https://spaces.ac.cn/usr/themes/geekg/js/side-bar.js https://spaces.ac.cn/sci/MathJax-2.7.9/AMS-setcounter.js detected during site scan | |
| Structured Data | Structured Data tips for spaces.ac.cn: Integrate Schema.org structured data (like JSON-LD) onto your pages to explicitly define content types such as articles, products, or recipes, enabling search engines to better understand context and potentially display rich results or featured snippets, boosting visibility and click-through rates in competitive search results. |
| no structured data data for spaces.ac.cn 2026-08-14T16:11:20+00:00 | |
| CDN Usage | CDN Usage tips for spaces.ac.cn: Leverage a Content Delivery Network (CDN) to serve regionalized content, such as localized website versions, language-specific assets, or geo-targeted advertising creatives with optimal routing and performance. |
| content is delivered via CDN | |
| SSL certificates | SSL certificates tips for spaces.ac.cn: A mixed-content security warning can occur on SSL pages if some resources (like images or scripts) load over HTTP, compromising the overall security message and potentially deterring users seeking a fully encrypted environment. |
| SSL is enabled on the website |
| Minimum Daily Unique Visitors: | 2 473 |
| Minimum Daily Visits: | 2 890 |
| Minimum Daily Page Views: | 4 975 |
| Minimum Monthly Unique Visitors: | 74 190 |
| Minimum Monthly Visits: | 86 700 |
| Minimum Monthly Page Views: | 149 250 |
| Minimum Yearly Unique Visitors: | 890 280 |
| Minimum Yearly Visits: | 1 040 400 |
| Minimum Yearly Page Views: | 1 791 000 |
| Maximum Daily Unique Visitors: | 3 128 |
| Maximum Daily Visits: | 3 336 |
| Maximum Daily Page Views: | 5 630 |
| Maximum Monthly Unique Visitors: | 93 840 |
| Maximum Monthly Visits: | 100 080 |
| Maximum Monthly Page Views: | 168 900 |
| Maximum Yearly Unique Visitors: | 1 126 080 |
| Maximum Yearly Visits: | 1 200 960 |
| Maximum Yearly Page Views: | 2 026 800 |
| Daily Revenue: | US$ 4 - 8 |
| Monthly Revenue: | US$ 120 - 240 |
| Yearly Revenue: | US$ 1 440 - 2 880 |
| Minimum: | US$ 2 160 |
| Maximum: | US$ 8 640 |
| Rank | Points | |
|---|---|---|
| 463 428 | 6 379 180 | |
| 463 429 | 6 379 180 | |
| 463 430 | 6 379 179 | |
| 463 431 | 6 379 179 | |
| 463 432 | 6 379 179 | |
| 463 433 | 6 379 178 | |
| 463 434 | 6 379 178 | |
| 463 435 | 6 379 177 | |
| 463 436 | 6 379 177 | |
| 463 437 | 6 379 176 | |
| 463 438 | 6 379 176 |