Chenmingtech.com Site Title

西藏宸铭科技有限公司，电磁炉，油烟净化器，中央厨房设备

Chenmingtech.com Meta Description

西藏宸铭实业发展有限公司成立于2016年01月22日，注册地位于拉萨市柳梧新区君泰国际C栋8楼，法定代表人为袁尔举。经营范围包括许可项目：建筑劳务分包；建设工程施工；林木种子生产经营；草种生产经营；牲畜饲养（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，具体经营项目以相关部门许可证件为准）一般项目：人力资源服务（不含职业中介活动、劳务派遣服务）；工程管理服务；企业管理；机械设备租赁；总质量4.5吨及以下普通货运车辆道路货物运输（除网络货运和危险货物）；普通货物仓储服务（不含危险化学品等需许可审批的项目）；金属材料销售；石油制品销售（不含危险化学品）；日用百货销售；针纺织品销售；建筑用钢筋产品销售；水泥制品销售；建筑材料销售；建筑防水卷材产品销售；五金产品零售；建筑用石加工；供应链管理服务；城市绿化管理；园林绿化工程施工；人工造林；生态恢复及生态保护服务；生态保护区管理服务；土壤污染治理与修复服务；森林经营和管护；树木种植经营；草种植；林业产品销售；生态环境材料销售；林业专业及辅助性活动；自然生态系统保护管理；园艺产品销售；花卉种植；露营地服务；牲畜销售；土壤环境污染防治服务（除依法须经批准的项目外，自主开展法律法规未禁止、限制的经营活动）

Chenmingtech.com Test Results

Chenmingtech.com Mobile Performance: 99/100
Quick overview:
Diagnostics
Collection of useful page vitals.
Network Round Trip Times
0 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.
Final Screenshot
The last screenshot captured of the pageload.

670404082764

Tasks
Lists the toplevel main thread tasks that executed during page load.
Script Treemap Data
Used for treemap app
Metrics
Collects all available metrics.
Network Requests
Lists the network requests that were made during page load.
Server Backend Latencies
310 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.

Chenmingtech.com Mobile SEO: 98/100
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
87% 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.

Chenmingtech.com Mobile Best Practices: 77/100
Quick overview:
Trust and Safety
Does not use HTTPS
11 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
Chenmingtech.com Mobile PWA: 38/100
Quick overview:
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.
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.
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
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.
Chenmingtech.com Mobile Accessibility: 80/100
Quick overview:
Navigation
These are opportunities to improve keyboard navigation in your application.
The page contains a heading, skip link, or landmark region
Adding ways to bypass repetitive content lets keyboard users navigate the page more efficiently. Learn more about bypass blocks.
Document has a main landmark.
One main landmark helps screen reader users navigate a web page. Learn more about landmarks.
Touch targets have sufficient size and spacing.
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
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.
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.
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