Cn-osi.com Site Title

欧思建筑设计咨询（上海）有限公司

Cn-osi.com Meta Description

欧思建筑设计咨询（上海）有限公司成立于2015年08月日，注册地位于中国(上海)自由贸易试验区老茂兴路93号9楼463室，法定代表人为杜世辉，经营范围包括建筑方案咨询、工程项目施工技术咨询，以专业施工承包的形式从事建筑装饰装修施工（凭相关建筑业资质开展经营活动），图文设计制作，企业管理咨询，经济信息咨询（金融信息除外），企业形象策划咨询，投资咨询，会展服务（主办承办除外），家居产品设计，网络科技及计算机信息科技领域内的技术咨询 ;建筑材料、机械设备、五金交电、电子产品、家居用品的批发，进出口、佣金代理 （拍卖除外）及其相关配套服务。【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】。

Cn-osi.com Test Results

Cn-osi.com Mobile Performance: 94/100
Quick overview:
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Largest Contentful Paint element
3,000 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Properly size images
Potential savings of 517 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 593 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
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
Efficiently encode images
Potential savings of 113 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
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.

Cn-osi.com Mobile SEO: 100/100
Quick overview:

Cn-osi.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
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.
Cn-osi.com Mobile Accessibility: 82/100
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.
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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