Weiheikj.com Site Title

ERP定制_企业业务系统定制_深圳市黑凯嘉科技有限公司

Weiheikj.com Meta Description

深圳市黑凯嘉科技有限公司成立于2018年06月日，注册地位于深圳市宝安区北西乡街道固戍社区新屋园一巷6号513，法定代表人为羊豪宝，经营范围包括一般经营项目是：计算机软件技术开发与技术服务；计算机系统集成及提供相关技术咨询和技术服务；计算机软硬件及网络设备的研发及销售；计算机软硬件的销售；游戏软件、手机软件、信息技术开发；网站设计与技术开发；机械设备、五金交电、电子产品、文化用品、照相器材、计算机、软件及辅助设备、化妆品及卫生用品、体育用品、百货、纺织品、服装、日用品、家具、珠宝首饰、避孕器具（避孕药除外）、新鲜水果、蔬菜、饲料、建筑材料、工艺礼品（不含象牙及其制品）、钟表眼镜、玩具、汽车和摩托车配件、卫生洁具、橡胶及塑料制品的批发、零售；经营电子商务；国内贸易；货物及技术进出口。(法律、行政法规、国务院决定规定在登记前须经批准的项目除外），许可经营项目是：预包装食品、保健食品的批发与零售。

Weiheikj.com Test Results

Weiheikj.com Mobile Performance: 99/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Properly size images
Potential savings of 516 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Serve images in next-gen formats
Potential savings of 462 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.
Eliminate render-blocking resources
Potential savings of 10 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.
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
23 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Max Potential First Input Delay
270 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.

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

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