Rhdkjr.com Site Title
物联网技术服务 技术服务 技术开发 山东快金信息科技有限公司
Rhdkjr.com Meta Description
山东快金信息科技有限公司成立于2021年08月04日，注册地位于山东省日照市东港区秦楼街道海曲东路65号二栋201，法定代表人为许贞雪。经营范围包括一般项目：物联网技术服务；技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广；软件开发；软件销售；计算机系统服务；数字文化创意软件开发；数字文化创意内容应用服务；信息咨询服务（不含许可类信息咨询服务）；会议及展览服务；市场调查（不含涉外调查）；组织文化艺术交流活动；企业管理；机械设备研发；机械零件、零部件销售；版权代理；专业设计服务；广告制作；广告发布（非广播电台、电视台、报刊出版单位）；广告设计、代理；平面设计；数字内容制作服务（不含出版发行）；新鲜水果零售；物联网设备销售；云计算设备销售；通讯设备销售；网络设备销售；办公用品销售；数字视频监控系统销售；电子产品销售；办公设备销售；家用电器销售；劳动保护用品销售；针纺织品销售；体育用品及器材批发；文具用品零售；金属制品销售；日用百货销售；市场营销策划；文化用品设备出租；日用品销售；日用品批发；家具销售；智能仪器仪表销售；信息技术咨询服务；企业管理咨询；网络与信息安全软件开发；信息安全设备销售；人工智能应用软件开发；物联网技术研发；科技中介服务；信息系统集成服务；非融资担保服务。（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：互联网信息服务。（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）
Rhdkjr.com Test Results
Rhdkjr.com Mobile Performance: 90/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Largest Contentful Paint element
3,300 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 1,268 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.
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.
Minimize main-thread work
2.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Properly size images
Potential savings of 911 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Defer offscreen images
Potential savings of 275 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.
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
30 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 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 239 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Max Potential First Input Delay
820 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.
Rhdkjr.com Mobile SEO: 100/100
Quick overview:
Rhdkjr.com Mobile Best Practices: 79/100
Quick overview:
Trust and Safety
Does not use HTTPS
31 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.
Rhdkjr.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.
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.
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