Mhg-engineering.com Site Title

湖南丽科技工程发展有限公司 建设工程设计建设工程施工 舞台工程施工

Mhg-engineering.com Meta Description

湖南丽科技工程发展有限公司成立于2009年05月06日，注册地位于长沙经济技术开发区大元路45号，法定代表人为傅高鹏。经营范围包括许可项目：建设工程设计；建筑智能化系统设计；建设工程施工；舞台工程施工。（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批准文件或许可证件为准）一般项目：工程和技术研究和试验发展；电子元器件批发；电子产品销售；数字文化创意软件开发；数字文化创意技术装备销售；数字文化创意内容应用服务；广播影视设备销售；通讯设备销售；组织文化艺术交流活动；会议及展览服务；普通机械设备安装服务；专业设计服务；信息技术咨询服务；节能管理服务；信息系统集成服务；软件开发；安全技术防范系统设计施工服务；技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；文化场馆用智能设备制造；广播电视设备制造（不含广播电视传输设备）；体育场地设施经营（不含高危险性体育运动）；合同能源管理；虚拟现实设备制造；工业自动控制系统装置制造；智能控制系统集成；专用设备制造（不含许可类专业设备制造）；通用设备制造（不含特种设备制造）；金属结构制造；机械电气设备制造；体育用品及器材制造；体育用品及器材批发；音响设备制造；音响设备销售；机械设备销售；物联网技术研发；互联网数据服务；信息咨询服务（不含许可类信息咨询服务）；规划设计管理；工程管理服务。（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）

Mhg-engineering.com Test Results

Mhg-engineering.com Mobile Performance: 83/100
Quick overview:
First Meaningful Paint
2.8 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
Script Treemap Data
Used for treemap app
Tasks
Lists the toplevel main thread tasks that executed during page load.
Network Round Trip Times
10 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.
Network Requests
Lists the network requests that were made during page load.
Server Backend Latencies
600 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.
Diagnostics
Collection of useful page vitals.
Final Screenshot
The last screenshot captured of the pageload.

932446150662

Metrics
Collects all available metrics.

Mhg-engineering.com Mobile SEO: 99/100
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
91% 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.

Mhg-engineering.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
Mhg-engineering.com Mobile PWA: 38/100
Quick overview:
PWA Optimized
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.
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.
Mhg-engineering.com Mobile Accessibility: 86/100
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.
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.
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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