Dagongzhihui.com Site Title

大工志辉（北京）科技股份有限公司 北京软件开发 北京软件维护

Dagongzhihui.com Meta Description

大工志辉（北京）科技股份有限公司成立于2011年08月17日，注册地位于北京市海淀区信息路甲28号5层A座05A-2-7，法定代表人为杜志辉。经营范围包括技术开发；技术推广；技术转让；技术咨询；技术服务；设计、制作、代理、发布广告；数据处理(数据处理中的银行卡中心、PUE值在1.5以上的云计算数据中心除外)；计算机系统服务；经济贸易咨询；市场调查；劳务派遣；会议及展览服务；组织文化艺术交流活动（不含演出）；企业策划；企业管理咨询；软件开发；基础软件服务；应用软件服务（不含医用软件）；产品设计；销售计算机、软件及辅助设备、工艺品、日用品、厨房用具、箱包、体育用品、电子产品、五金交电（不从事实体店铺经营、不含电动自行车）、通讯设备、服装；销售食品；第二类增值电信业务中的信息服务业务（不含互联网信息服务）（增值电信业务经营许可证有效期至2023年01月09日）。（企业依法自主选择经营项目，开展经营活动；销售食品以及依法须经批准的项目，经相关部门批准后依批准的内容开展经营活动；不得从事本市产业政策禁止和限制类项目的经营活动。）大工志辉（北京）科技股份有限公司对外投资2家公司，具有3处分支机构。

Dagongzhihui.com Test Results

Dagongzhihui.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.
Serve images in next-gen formats
Potential savings of 355 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.
Properly size images
Potential savings of 182 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Serve static assets with an efficient cache policy
24 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.
Max Potential First Input Delay
410 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.

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

Dagongzhihui.com Mobile Best Practices: 79/100
Quick overview:
Trust and Safety
Does not use HTTPS
25 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.
Dagongzhihui.com Mobile Accessibility: 79/100
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.
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.
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