Chinahairsl.com Site Title
废水处理设备销售_环保设备销售_江苏海斯瑞废气处理设备有限公司
Chinahairsl.com Meta Description
江苏海思乐环境科技有限公司成立于2011年07月20日，注册地位于江苏省苏州市相城区渭塘镇钻石路1999号2幢5楼528室062工位（集群登记），法定代表人为唐文梁。经营范围包括研发、销售：废气处理设备、废水处理设备、环保设备，并提供上述相关产品的运营及上门安装、维护服务；环保节能系统集成服务；智能软硬件开发、销售；远程在线检测系统的开发及集成运营管理；销售：五金机电、电子产品。（依法须经批准的项目，经相关部门批准后方可开展经营活动）
许可项目：建筑劳务分包；各类工程建设活动（依法须经批准的项目，经相关部门批准后方可开展经营活动，具体经营项目以审批结果为准）
一般项目：非居住房地产租赁；生态环境材料销售；环境监测专用仪器仪表销售；药物检测仪器销售；实验分析仪器销售；仪器仪表销售（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）
Chinahairsl.com Test Results
Chinahairsl.com Mobile Performance: 68/100
Quick overview:
First Meaningful Paint
3.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Diagnostics
Collection of useful page vitals.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Network Requests
Lists the network requests that were made during page load.
Script Treemap Data
Used for treemap app
Final Screenshot
The last screenshot captured of the pageload.
914773590926
Server Backend Latencies
410 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.
Metrics
Collects all available metrics.
Network Round Trip Times
40 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.
Chinahairsl.com Mobile SEO: 93/100
Quick overview:
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. Learn how to make pages mobile-friendly.
Tap targets are not sized appropriately
12% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), or have enough space around them, to be easy enough to tap without overlapping onto other elements. Learn more about tap targets.
Chinahairsl.com Mobile Best Practices: 73/100
Quick overview:
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.
Trust and Safety
Does not use HTTPS
15 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
Chinahairsl.com Mobile PWA: 38/100
Quick overview:
PWA Optimized
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.
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
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.
Chinahairsl.com Mobile Accessibility: 71/100
Quick overview:
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.
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.
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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