Shiguangjianji.com Site Title

徐州网页建设|徐州网站设计|徐州诗光网络科技有限公司

Shiguangjianji.com Meta Description

徐州诗光网络科技有限公司成立于2015年06月04日，注册地位于新沂市墨河街道琅墩村二组79号，法定代表人为房泽。经营范围包括计算机软件开发；互联网信息咨询服务、信息系统集成服务、数据处理服务、存储服务、数字内容服务、信息技术咨询服务；文化艺术交流咨询服务；文化艺术交流活动策划；教育信息咨询服务；网站建设、维护；网页设计、制作；电脑图文设计、制作；摄影服务；计算机网络工程施工；通信系统设备销售、安装、维护；文化体育用品、花木、鞋帽、服装、工艺美术品销售及网上销售。（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）

Shiguangjianji.com Test Results

Shiguangjianji.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 856 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 952 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.
Efficiently encode images
Potential savings of 65 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.
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
Max Potential First Input Delay
640 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.

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

Shiguangjianji.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.
Shiguangjianji.com Mobile Accessibility: 79/100
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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