Lingkai123.com Site Title

上海灵一凯信息科技有限公司_电子科技领域内的技术开发_技术咨询_技术转让

Lingkai123.com Meta Description

上海灵一凯信息科技有限公司成立于2014年11月27日，注册地位于上海市奉贤区南桥镇八字桥路1919号2幢8层，法定代表人为张宏强。经营范围包括从事信息科技、网络科技、计算机科技、电子科技领域内的技术开发、技术咨询、技术转让、技术服务，电子商务（不得从事金融业务），建筑材料、装饰材料、文具用品、体育用品、化妆品、针纺织品、服装服饰、鞋帽、工艺品、珠宝首饰、玩具、花卉、汽车配件、摩托车配件、五金交电、机电设备、电线电缆、音响设备、金属材料、管道及配件、电子产品、安防设备、日用百货、仪器仪表的批发、零售，食用农产品的销售，食品添加剂的销售，计算机网络工程施工，从事货物及技术进出口业务。 【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】上海灵一凯信息科技有限公司具有2处分支机构。

Lingkai123.com Test Results

Lingkai123.com Mobile Performance: 96/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 677 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.
Serve static assets with an efficient cache policy
23 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
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
Properly size images
Potential savings of 162 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Eliminate render-blocking resources
Potential savings of 0 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.
Efficiently encode images
Potential savings of 14 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Max Potential First Input Delay
390 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.

Lingkai123.com Mobile SEO: 100/100
Quick overview:

Lingkai123.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
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.
Lingkai123.com Mobile Accessibility: 79/100
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.
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.
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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