Hcewm.com Site Title
山东网站开发、山东网站优化、山东淮策信息技术有限公司
Hcewm.com Meta Description
山东淮策信息技术有限公司成立于2016年05月12日，注册地位于山东省临沂市高新区双月园路龙湖软件园C202，法定代表人为孟庆群。经营范围包括网络技术推广服务，计算机系统服务，数据处理，基础软件服务，应用软件服务（不含医用软件），计算机技术咨询服务，软件设计，企业管理咨询，教育信息咨询（不含出国留学及中介服务；不含学历教育、学前教育、自学考试助学及其他文化教育及职业资格培训、职业技能培训），企业策划，电脑图文设计，销售计算机、软件及辅助设备，网上提供电子商务技术服务（不得从事增值电信、金融业务），网上销售预包装食品、散装食品（凭有效食品经营许可证经营）、服装、纺织品、针织品、日用百货。（以上范围法律法规和国务院决定禁止或需要办理前置审批的项目除外；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）
Hcewm.com Test Results
Hcewm.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.
Properly size images
Potential savings of 297 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 317 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.
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.
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 21 KiB
Optimized images load faster and consume less cellular data. Learn how to efficiently encode images.
Hcewm.com Mobile SEO: 100/100
Quick overview:
Hcewm.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.
Hcewm.com Mobile Accessibility: 83/100
Quick overview:
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.
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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