Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

lanmang.com

中国领先的云软件提供商-安超云

Page Load Speed

14.9 sec in total

First Response

1.4 sec

Resources Loaded

13.3 sec

Page Rendered

165 ms

About Website

Welcome to lanmang.com homepage info - get ready to check Lanmang best content right away, or after learning these important things about lanmang.com

安超云软件有限公司，提供一站式VMware全替代解决方案，为企业提供高性能、高可用、高效率及易于安装维护的IT基础设施平台，加速政府和企业上云进程，为推动企业数字化转型提供完整的一站式政企上云的云操作系统平台和生态解决方案。

Visit lanmang.com

Key Findings

We analyzed Lanmang.com page load time and found that the first response time was 1.4 sec and then it took 13.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

lanmang.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value3,480 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.136

80/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

lanmang.com

1374 ms

newstyle.css

450 ms

css.css

930 ms

online.css

928 ms

alternate.js

927 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 89% of them (66 requests) were addressed to the original Lanmang.com, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to S21.cnzz.com. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Lanmang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.8 kB (44%)

Content Size

410.1 kB

After Optimization

228.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lanmang.com main page is 410.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 278.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 16.0 kB

  • Original 22.3 kB
  • After minification 21.4 kB
  • After compression 6.3 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 16.0 kB or 72% of the original size.

Image Optimization

-37%

Potential reduce by 102.2 kB

  • Original 278.4 kB
  • After minification 176.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Lanmang needs image optimization as it can save up to 102.2 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 47.9 kB

  • Original 89.3 kB
  • After minification 88.1 kB
  • After compression 41.5 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 47.9 kB or 54% of the original size.

CSS Optimization

-78%

Potential reduce by 15.7 kB

  • Original 20.0 kB
  • After minification 15.9 kB
  • After compression 4.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lanmang.com needs all CSS files to be minified and compressed as it can save up to 15.7 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (36%)

Requests Now

72

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lanmang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lanmang.com accessibility score

75

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lanmang.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lanmang.com SEO score

74

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lanmang.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Lanmang.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Lanmang. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: