Sdjiangren.com Site Title

山东姜仁文化传播有限公司-会议及展览服务

Sdjiangren.com Meta Description

山东姜仁文化传播有限公司成立于2017年04月05日，注册地位于山东省威海市环翠区樱花小区-11-A号210室，法定代表人为王利燕。经营范围包括一般项目：组织文化艺术交流活动；会议及展览服务；平面设计；工业设计服务；专业设计服务；企业形象策划；摄影扩印服务；礼仪服务；翻译服务；软件开发；软件销售；软件外包服务；电子产品销售；办公用品销售；文化用品设备出租；办公设备耗材销售；互联网销售（除销售需要许可的商品）；国内贸易代理；金属门窗工程施工；建筑装饰材料销售（除依法须经批准的项目外，凭营业执照依法自主开展经营活动）许可项目：住宅室内装饰装修；包装装潢印刷品印刷（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，具体经营项目以审批结果为准）

Sdjiangren.com Test Results

Sdjiangren.com Mobile Performance: 93/100
Quick overview:
Use efficient cache lifetimes
Est savings of 222 KiB
A long cache lifetime can speed up repeat visits to your page. Learn more.
Document request latency
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Optimize viewport for mobile
Tap interactions may be delayed by up to 300 ms if the viewport is not optimized for mobile.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Largest Contentful Paint element
2,760 ms
This is the largest contentful element painted within the viewport. Learn more about the Largest Contentful Paint element
Avoid multiple page redirects
Est savings of 1,980 ms
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Serve static assets with an efficient cache policy
11 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more about efficient cache policies.
Avoid `document.write()`
For users on slow connections, external scripts dynamically injected via `document.write()` can delay page load by tens of seconds. Learn how to avoid document.write().

Sdjiangren.com Mobile SEO: 80/100
Quick overview:
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page has unsuccessful HTTP status code
403
Pages with unsuccessful HTTP status codes may not be indexed properly. Learn more about HTTP status codes.
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Sdjiangren.com Mobile Best Practices: 66/100
Quick overview:
Trust and Safety
Does not use HTTPS
55 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.
General
Browser errors were logged to the console
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit
User Experience
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents a 300 millisecond delay to user input. Learn more about using the viewport meta tag. No `<meta name="viewport">` tag found
Document doesn't use legible font sizes
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px. Learn more about legible font sizes. Text is illegible because there's no viewport meta tag optimized for mobile screens.
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
Specifying a doctype prevents the browser from switching to quirks-mode. Learn more about the doctype declaration. Document must contain a doctype
Charset declaration is missing or occurs too late in the HTML
A character encoding declaration is required. It can be done with a `<meta>` tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header. Learn more about declaring the character encoding.
Sdjiangren.com Mobile Accessibility: 79/100
Quick overview:
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.
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