Smartersea.com Site Title

云平台服务 云基础设施服务 云软件服务 上海雪格大数据信息有限公司

Smartersea.com Meta Description

上海雪格大数据信息有限公司成立于2010年03月09日，注册地位于上海市普陀区金沙江路1977弄3号701室，法定代表人为黄宗良。经营范围包括云平台服务，云基础设施服务，云软件服务，信息安全服务，自有设备租赁，从事电子技术、计算机技术、网络技术、智能技术、节能技术、卫星导航技术、遥感技术、地理信息系统技术、物联网技术、通信技术领域内的技术开发、技术咨询、技术转让、技术服务，机电安装建设工程施工，商务咨询，建筑智能化建设工程设计施工一体化，计算机系统集成，计算机、软件及辅助设备、电子产品、通信设备的销售，从事货物及技术的进出口业务。 【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】上海雪格大数据信息有限公司对外投资5家公司，具有2处分支机构。

Smartersea.com Test Results

Smartersea.com Mobile Performance: 79/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Largest Contentful Paint element
3,950 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Reduce unused JavaScript
Potential savings of 67 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Avoid multiple page redirects
Potential savings of 630 ms
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Enable text compression
Potential savings of 27 KiB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more about text compression.
Serve static assets with an efficient cache policy
4 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Insights
Document request latency
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Layout shift culprits
Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.
Optimize viewport for mobile
Tap interactions may be delayed by up to 300 ms if the viewport is not optimized for mobile.
Third parties
Third party code can significantly impact load performance. Reduce and defer loading of third party code to prioritize your page's content.
Time to Interactive
4.0 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Smartersea.com Mobile SEO: 63/100
Quick overview:
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page is blocked from indexing
Search engines are unable to include your pages in search results if they don't have permission to crawl them. Learn more about crawler directives.

Smartersea.com Mobile Best Practices: 79/100
Quick overview:
Trust and Safety
Does not use HTTPS
5 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.
Does not redirect HTTP traffic to HTTPS
Make sure that you redirect all HTTP traffic to HTTPS in order to enable secure web features for all your users. Learn more.
Smartersea.com Mobile Accessibility: 82/100
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.
`<frame>` or `<iframe>` elements do not have a title
Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.
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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