Szsdtc.com Site Title

系统定制开发|小程序定制开发|深圳市拾德戴彩科技有限公司

Szsdtc.com Meta Description

深圳市拾德戴彩科技有限公司成立于2015年10月20日，注册地位于深圳市龙华区龙华街道富康社区油松路95号昊创龙华工业园1栋厂房3层306，法定代表人为李继元。经营范围包括一般经营项目是：电子产品、电子元器件、数码产品、计算机软硬件、通讯设备、计算机及周边设备、机电产品及设备的开发与销售；日用百货、服装箱包、鞋帽饰品、工艺品、陶瓷制品、塑料制品、皮革制品、化妆品、针纺织品、床上用品、家具、玩具、卫生洁具、家用电器、办公用品、文化用品、酒店用品、建筑材料、装潢材料的销售；图文设计；经营电子商务；国内贸易；货物及进出口；卫生用品、清洁工具、家用美容保健电器、清洁用品、婴儿用品、劳保用品的批发及销售；新媒体技术的研发与服务；投资咨询（不含限制项目）；安防监控工程的施工；摄影头、视频采集卡、网络摄像机、记录仪、通信设备、智能设备与智能系统、网络设备、车载充电器、网络工程、系统集成技术开发及软件开发；口罩、防护服、呼吸机、体温枪、医用护目镜、医用一次性手套、医用酒精、消毒液、二类医疗器械产品的研发及销售。（法律、行政法规禁止的项目除外；法律、行政法规限制的项目须取得许可后方可经营）；农副产品销售；茶具销售。（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），许可经营项目是：经营互联网传媒直播服务；影视传媒策划；短视频策划制作、短视频拍摄、后期制作。食品销售（仅销售预包装食品）；酒类经营；食品销售；食品互联网销售（仅销售预包装食品）。（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）

Szsdtc.com Test Results

Szsdtc.com Mobile Performance: 82/100
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.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 1,520 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.
Largest Contentful Paint element
3,550 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 244 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.
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
34 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Properly size images
Potential savings of 135 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Reduce unused CSS
Potential savings of 19 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

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

Szsdtc.com Mobile Best Practices: 62/100
Quick overview:
General
Uses deprecated APIs
1 warning found
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
Trust and Safety
Does not use HTTPS
34 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.
Szsdtc.com Mobile Accessibility: 74/100
Quick overview:
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
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.
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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