Dehuikelian.com Site Title

广州德惠科联网络技术有限公司-广州网页开发与建设

Dehuikelian.com Meta Description

广州德惠科联网络技术有限公司成立于2017年12月日，注册地位于广州市天河区上车陂西路217号之一14楼914-6房（仅限办公），法定代表人为谷怀龙，经营范围包括软件开发;网络技术的研究、开发;新材料技术咨询、交流服务;计算机网络系统工程服务;计算机技术开发、技术服务;计算机房设计服务;计算机信息安全产品设计;软件批发;软件零售;游戏软件设计制作;软件服务;软件测试服务;软件技术推广服务;电子产品零售;电子、通信与自动控制技术研究、开发;电子产品设计服务;信息电子技术服务;计算机批发;计算机零配件批发;计算机零售;计算机零配件零售;商品信息咨询服务;网络安全信息咨询;科技信息咨询服务;企业管理服务（涉及许可经营项目的除外）;企业管理咨询服务;文化艺术咨询服务;文化

Dehuikelian.com Test Results

Dehuikelian.com Mobile Performance: 99/100
Quick overview:
Max Potential First Input Delay
670 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.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Properly size images
Potential savings of 269 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 277 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
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.
Defer offscreen images
Potential savings of 41 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive. Learn how to defer offscreen images.
Efficiently encode images
Potential savings of 98 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.

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

Dehuikelian.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.
Dehuikelian.com Mobile Accessibility: 83/100
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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