Qd-xsykj.com Site Title

软件开发、软件外包服务、人工智能应用软件开发、青岛宿杰信息技术有限公司

Qd-xsykj.com Meta Description

青岛宿杰信息技术有限公司成立于2018年11月28日，注册地位于山东省青岛市李沧区书院路127号18号楼3单元502户，法定代表人为徐世芬。经营范围包括一般项目：软件开发；软件外包服务；人工智能应用软件开发；信息技术咨询服务；互联网销售（除销售需要许可的商品）；日用品销售；厨具卫具及日用杂品批发；渔具销售；户外用品销售；化妆品零售；建筑材料销售；电子产品销售；家用电器销售；企业管理咨询；信息咨询服务（不含许可类信息咨询服务）；基于云平台的业务外包服务；计算机软硬件及辅助设备零售；食品销售（仅销售预包装食品）。（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）

Qd-xsykj.com Test Results

Qd-xsykj.com Mobile Performance: 77/100
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 720 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Efficiently encode images
Potential savings of 201 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode 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.
Defer offscreen images
Potential savings of 438 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.
Serve images in next-gen formats
Potential savings of 859 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.
Largest Contentful Paint element
5,930 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
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
31 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.
Max Potential First Input Delay
570 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.

Qd-xsykj.com Mobile SEO: 100/100
Quick overview:

Qd-xsykj.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
32 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.
Qd-xsykj.com Mobile Accessibility: 74/100
Quick overview:
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.
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.
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