Chinaszjf.com Site Title

山东斯娜互联网科技有限公司

Chinaszjf.com Meta Description

山东斯娜互联网科技有限公司成立于2018年01月15日，注册地位于山东省青岛市城阳区正阳中路162号5#506，法定代表人为鲁川。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；计算机软硬件及辅助设备批发；软件销售；租赁服务（不含许可类租赁服务）；互联网销售（除销售需要许可的商品）；礼仪服务；办公设备租赁服务；会议及展览服务；广告制作；平面设计；广告设计、代理；办公服务；图文设计制作；企业形象策划；市场营销策划；信息咨询服务（不含许可类信息咨询服务）；物联网技术研发。（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：旅游业务。（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，具体经营项目以相关部门批准文件或许可证件为准）山东斯娜互联网科技有限公司对外投资1家公司。

Chinaszjf.com Test Results

Chinaszjf.com Mobile Performance: 88/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Largest Contentful Paint element
3,980 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Serve images in next-gen formats
Potential savings of 314 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more about modern image formats.
Efficiently encode images
Potential savings of 16 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Properly size images
Potential savings of 339 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Image elements do not have explicit `width` and `height`
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Serve static assets with an efficient cache policy
25 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Eliminate render-blocking resources
Potential savings of 20 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn how to eliminate render-blocking resources.

Chinaszjf.com Mobile SEO: 100/100
Quick overview:

Chinaszjf.com Mobile Best Practices: 79/100
Quick overview:
Trust and Safety
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.
Does not use HTTPS
26 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.
Chinaszjf.com Mobile Accessibility: 74/100
Quick overview:
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.
Touch targets do not have sufficient size or 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.
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