Xmjxhb.com Site Title
大气污染治理、环境保护监测、厦门静新环保科技有限公司
Xmjxhb.com Meta Description
厦门静新环保科技有限公司成立于2019年04月29日，注册地位于厦门市湖里区护安路75号440室之二，法定代表人为吴丽君。经营范围包括大气污染治理；其他未列明污染治理；环境保护监测；其他技术推广服务；信息系统集成服务；社会经济咨询（不含金融业务咨询）；商务信息咨询；工程管理服务；其他未列明清洁服务（不含须经行政审批许可的事项）；其他未列明服务业（不含需经许可审批的项目）；家庭服务；其他未列明居民服务业；节能技术推广服务；建筑物清洁服务；有害生物预防与治理；其他未列明自然保护；其他未列明专业技术服务业（不含需经许可审批的事项）；物业管理；厨房、卫生间用具及日用杂货批发；其他家庭用品批发；其他化工产品批发（不含危险化学品和监控化学品）；其他未列明批发业（不含需经许可审批的经营项目）；化妆品及卫生用品零售；厨房用具及日用杂品零售；其他日用品零售；其他未列明零售业（不含需经许可审批的项目）。
Xmjxhb.com Test Results
Xmjxhb.com Desktop Performance: 71/100
Quick overview:
First Meaningful Paint
1.6 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Final Screenshot
The last screenshot captured of the pageload.
682177211820
Server Backend Latencies
320 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance. Learn more about server response time.
Script Treemap Data
Used for treemap app
Network Requests
Lists the network requests that were made during page load.
Metrics
Collects all available metrics.
Diagnostics
Collection of useful page vitals.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Network Round Trip Times
20 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance. Learn more about the Round Trip Time.
Xmjxhb.com Desktop SEO: 100/100
Quick overview:
Xmjxhb.com Desktop Best Practices: 73/100
Quick overview:
Trust and Safety
Does not use HTTPS
14 insecure requests 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.
Ensure CSP is effective against XSS attacks
A strong Content Security Policy (CSP) significantly reduces the risk of cross-site scripting (XSS) attacks. Learn how to use a CSP to prevent XSS
General
Registers an `unload` listener
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more about unload event listeners
Detected JavaScript libraries
All front-end JavaScript libraries detected on the page. Learn more about this JavaScript library detection diagnostic audit.
Xmjxhb.com Desktop PWA: 29/100
Quick overview:
PWA Optimized
Is not configured for a custom splash screen
A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more about splash screens. Failures: No manifest was fetched.
Manifest doesn't have a maskable icon
A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn about maskable manifest icons. No manifest was fetched
Does not set a theme color for the address bar.
The browser address bar can be themed to match your site. Learn more about theming the address bar. Failures: No manifest was fetched,
No `<meta name="theme-color">` tag found.
Installable
Web app manifest or service worker do not meet the installability requirements
1 reason
Service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. With proper service worker and manifest implementations, browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more about manifest installability requirements.
Xmjxhb.com Desktop Accessibility: 76/100
Quick overview:
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Document has a main landmark.
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Identical links have the same purpose.
Links with the same destination should have the same description, to help users understand the link's purpose and decide whether to follow it. Learn more about identical links.
Best practices
These items highlight common accessibility best practices.
`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.
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