Csdcdata.com Site Title

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Csdcdata.com Meta Description

湖南装好付数据服务有限公司成立于2017年11月21日，注册地位于长沙市雨花区万家丽南路二段688号中南总部基地1-B栋6010房（集群注册370号），法定代表人为郝绎帆。经营范围包括数据采集、挖掘服务；计算机数据处理；大数据处理技术的研究、开发；数据及信息资料的处理和保管；数据建模与清洗服务；软件、计算机硬件、信息科技技术的开发；软件服务；计算机网络系统工程服务；计算机技术咨询；计算机技术开发、技术服务；互联网科技技术开发、科技技术转让、科技技术咨询、科技技术服务、信息技术咨询；数据加工预处理服务；计算机科学技术研究服务；计算机技术转让；信息科技技术转让；信息科技技术咨询；信息科技技术服务；信息技术咨询服务；智能技术咨询、服务；移动互联网研发和维护；信息传输技术的研发及技术推广；企业形象策划服务；市场营销策划服务；企业管理咨询服务；企业管理战略策划；经济与商务咨询服务；商业管理；物业管理；公共关系服务；文化会展服务；广告发布服务、制作服务、国内代理服务；广告设计；策划创意服务；商品信息咨询服务；商业活动的策划；项目调研咨询服务；市场调研服务；建筑装饰工程设计；室内设计技术咨询服务；建筑装饰材料、电气设备、灯具、家用电器及电子产品的零售；智能家居产品、家具、建筑材料、环保材料、环保设备销售；工程项目管理服务；人力资源服务外包；人力资源管理咨询；房地产租赁经营；经营基础电信业务；网络表演经营活动；营业性文艺表演（限分支机构）。（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）

Csdcdata.com Test Results

Csdcdata.com Mobile Performance: 94/100
Quick overview:
First Meaningful Paint
2.3 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
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.
Tasks
Lists the toplevel main thread tasks that executed during page load.
Script Treemap Data
Used for treemap app
Final Screenshot
The last screenshot captured of the pageload.

5564396415240

Metrics
Collects all available metrics.
Diagnostics
Collection of useful page vitals.
Network Requests
Lists the network requests that were made during page load.
Server Backend Latencies
580 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.

Csdcdata.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.

Csdcdata.com Mobile Best Practices: 77/100
Quick overview:
Trust and Safety
Does not use HTTPS
17 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
Csdcdata.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
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.
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.
Csdcdata.com Mobile Accessibility: 78/100
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.
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.
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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