Dsibrvu.cn Site Title
新兴能源技术研发，上海朱皇能源科技有限公司
Dsibrvu.cn Meta Description
上海朱皇能源科技有限公司成立于2020年10月22日，注册地位于上海市杨浦区国和路60号（集中登记地），法定代表人为朱健。经营范围包括一般项目：新兴能源技术研发；信息技术咨询服务；技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；节能管理服务；安全咨询服务；人工智能硬件销售。（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）上海朱皇能源科技有限公司对外投资2家公司。
Dsibrvu.cn Test Results
Dsibrvu.cn Desktop Performance: 100/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Reduce initial server response time
Root document took 640 ms
Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.
Dsibrvu.cn Desktop SEO: 82/100
Quick overview:
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.
Crawling and Indexing
To appear in search results, crawlers need access to your app.
robots.txt is not valid
6 errors found
If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.
Dsibrvu.cn Desktop Best Practices: 71/100
Quick overview:
User Experience
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
Specifying a doctype prevents the browser from switching to quirks-mode. Learn more about the doctype declaration. Document must contain a doctype
Trust and Safety
Does not use HTTPS
1 insecure request found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being served over HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more about HTTPS.
Does not redirect HTTP traffic to HTTPS
Make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. Learn more.
Dsibrvu.cn Desktop Accessibility: 77/100
Quick overview:
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.
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