Qcuanke.com Site Title

北京网站优化，北京网站推广，奇川（北京）科技有限公司

Qcuanke.com Meta Description

奇川（北京）科技有限公司成立于2009年10月19日，注册地位于北京市石景山区八大处高科技园区西井路3号3号楼4184房间，法定代表人为莒素梅。经营范围包括技术开发、技术转让、技术咨询、技术服务、技术推广；互联网信息服务；会议服务；承办展览展示活动；机械设备租赁；机动车公共停车场管理；汽车租赁；旅游信息咨询；筹备、策划、组织文化节、艺术节；应用软件服务；公共关系服务；产品设计、模型设计；设计、制作、代理、发布广告；经济信息咨询（不含投资咨询）；组织文化交流活动（演出除外）；销售珠宝、首饰、电子产品、工艺美术品、通讯设备、建筑材料、五金交电、化工产品（不含危险化学品）、金属材料、工艺品、日用品、服装、鞋帽、汽车；货物进出口、技术进出口、代理进出口；计算机系统服务；数据处理（数据处理中的银行卡中心、PUE值在1.5以上的云计算数据中心除外）；经济贸易咨询；财务咨询（不得开展审计、验资、查账、评估、会计咨询、代理记账等需经专项审批的业务，不得出具相应的审计报告、验资报告、查账报告、评估报告等文字材料）；税务咨询；教育咨询；从事互联网文化活动。（企业依法自主选择经营项目，开展经营活动；从事互联网文化活动以及依法须经批准的项目，经相关部门批准后依批准的内容开展经营活动；不得从事本市产业政策禁止和限制类项目的经营活动。）

Qcuanke.com Test Results

Qcuanke.com Mobile Performance: 79/100
Quick overview:
First Meaningful Paint
2.1 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric.
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.
Script Treemap Data
Used for treemap app
Diagnostics
Collection of useful page vitals.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Final Screenshot
The last screenshot captured of the pageload.

1099422937990

Server Backend Latencies
500 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 Requests
Lists the network requests that were made during page load.

Qcuanke.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.

Qcuanke.com Mobile Best Practices: 77/100
Quick overview:
Trust and Safety
Does not use HTTPS
28 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
Qcuanke.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.
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
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.
Qcuanke.com Mobile Accessibility: 80/100
Quick overview:
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.
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.
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.
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.
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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