Meixinguanjia8888.com Site Title
北京美心管家科技有限公司 软件开发 广告设计 礼仪服务
Meixinguanjia8888.com Meta Description
北京首春科技有限公司成立于2020年11月13日，注册地位于北京市怀柔区乐园西大街13号院28号楼1层28-3(集群注册），法定代表人为彭晚生。经营范围包括一般项目：技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；会议及展览服务；人工智能应用软件开发；人工智能基础软件开发；礼仪服务；计算机系统服务；数据处理服务；企业管理；社会经济咨询服务；企业管理咨询；企业形象策划；广告发布；广告制作；广告设计、代理；专业设计服务；文艺创作；组织文化艺术交流活动；软件开发；平面设计；体育保障组织；工程和技术研究和试验发展；农业科学研究和试验发展；医学研究和试验发展；自然科学研究和试验发展；服装服饰零售；鞋帽零售；珠宝首饰零售；玩具销售；机械设备销售；日用品销售；五金产品零售；计算机软硬件及辅助设备零售；电子产品销售；仪器仪表销售；照相机及器材销售；办公设备销售；文具用品零售；乐器零售；家用电器销售；机械电气设备销售；化妆品零售；体育用品及器材零售；厨具卫具及日用杂品零售；第一类医疗器械销售；电线、电缆经营；照明器具销售；灯具销售；卫生洁具销售；建筑装饰材料销售；化工产品销售（不含许可类化工产品）；消防器材销售；日用陶瓷制品销售；橡胶制品销售；金属制品销售；塑料制品销售；家具销售；汽车零配件零售；润滑油销售；眼镜销售（不含隐形眼镜）；通讯设备销售；钟表销售；针纺织品销售；箱包销售；工艺美术品及礼仪用品销售（象牙及其制品除外）；皮革制品销售；货物进出口；技术进出口；进出口代理；工业工程设计服务；互联网销售（除销售需要许可的商品）。（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）许可项目：网络文化经营；基础电信业务；互联网信息服务；建设工程设计；在线数据处理与交易处理业务（经营类电子商务）。（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）（不得从事国家和本市产业政策禁止和限制类项目的经营活动。）
Meixinguanjia8888.com Test Results
Meixinguanjia8888.com Mobile Performance: 99/100
Quick overview:
Max Potential First Input Delay
540 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Diagnostics
Collection of useful page vitals.
Final Screenshot
The last screenshot captured of the pageload.
1077131613012
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.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Script Treemap Data
Used for treemap app
Metrics
Collects all available metrics.
Server Backend Latencies
430 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.
Meixinguanjia8888.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
97% 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.
Meixinguanjia8888.com Mobile Best Practices: 77/100
Quick overview:
Trust and Safety
Does not use HTTPS
24 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
Meixinguanjia8888.com Mobile PWA: 38/100
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.
Meixinguanjia8888.com Mobile Accessibility: 89/100
Quick overview:
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Image elements have `[alt]` attributes that are redundant text.
Informative elements should aim for short, descriptive alternative text. Alternative text that is exactly the same as the text adjacent to the link or image is potentially confusing for screen reader users, because the text will be read twice. Learn more about the `alt` attribute.
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.
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