Bjnvxing.com Site Title

北京吕星环保科技有限公司|环保科技研发

Bjnvxing.com Meta Description

亚玛逊（北京）国际供应链管理有限公司成立于2006年11月24日，注册地位于北京市朝阳区八里庄西里60号楼118室，法定代表人为熊红玲。经营范围包括供应链管理；国际货运代理；陆路、航空、海上国际货运代理；货物进出口、技术进出口、代理进出口；教育咨询；技术咨询、技术开发、技术服务；经济贸易咨询；文化艺术咨询；企业管理咨询；计算机系统服务；应用软件服务（不含医用软件）；基础软件服务；软件开发；组织文化艺术交流活动（不含演出）；文艺创作；承办展览展示活动；会议服务；电脑图文设计、制作；设计、制作、代理、发布广告；销售机械设备、电子产品、日用品、家用电器、化工产品（不含危险化学品）、医疗器械I、II类、化妆品、汽车配件、照相器材、计算机、软件及辅助设备、文具用品、针纺织品、服装、鞋帽、工艺品、珠宝首饰、体育用品、建筑材料、安全技术防范产品、润滑油、通讯设备；销售食品；工程勘察；工程设计；经营电信业务。（市场主体依法自主选择经营项目，开展经营活动；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；不得从事国家和本市产业政策禁止和限制类项目的经营活动。）

Bjnvxing.com Test Results

Bjnvxing.com Mobile Performance: 82/100
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 280 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 480 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.
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.
Efficiently encode images
Potential savings of 99 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Largest Contentful Paint element
4,220 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Serve static assets with an efficient cache policy
33 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
Properly size images
Potential savings of 74 KiB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn how to size images.
Time to Interactive
4.3 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

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

Bjnvxing.com Mobile Best Practices: 62/100
Quick overview:
General
Uses deprecated APIs
1 warning found
Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.
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
34 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.
Bjnvxing.com Mobile Accessibility: 74/100
Quick overview:
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.
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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