Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lacarbontec.com

皇冠crown·(中国)官方网站 crown

Page Load Speed

43.3 sec in total

First Response

1.6 sec

Resources Loaded

41.3 sec

Page Rendered

423 ms

About Website

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

皇冠官方登录（牢记发财域名：kaiyun5858.com）于2013年8月成立，累计实现营业收入531.56亿元，利润总额86.48亿元，净利润32.12亿元；资产总额1632.16亿元。公司拥有国内外先进的机械生产设备及专业的技术研发人员，成熟的市场渠道，良好的企业声誉。凭借雄厚的技术力量、好的检测手段和科学规范的质量管理体系、获得ISO质量管理体系认证证书与国内众多重点大型企业长期合作。

Visit lacarbontec.com

Key Findings

We analyzed Lacarbontec.com page load time and found that the first response time was 1.6 sec and then it took 41.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

lacarbontec.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

lacarbontec.com

1566 ms

lacarbontec.com

889 ms

www.lacarbontec.com

441 ms

www.lacarbontec.com

14965 ms

ky2.js

1129 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 51% of them (25 requests) were addressed to the original Lacarbontec.com, 29% (14 requests) were made to Jifa001.com and 14% (7 requests) were made to Jb.czctzb.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Lacarbontec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.9 kB (14%)

Content Size

787.7 kB

After Optimization

675.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lacarbontec.com main page is 787.7 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 711.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 25.8 kB

  • Original 33.9 kB
  • After minification 33.1 kB
  • After compression 8.1 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 25.8 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 81.8 kB

  • Original 711.4 kB
  • After minification 629.6 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, Lacarbontec needs image optimization as it can save up to 81.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 1.4 kB

  • Original 37.0 kB
  • After minification 37.0 kB
  • After compression 35.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-54%

Potential reduce by 2.9 kB

  • Original 5.5 kB
  • After minification 4.7 kB
  • After compression 2.5 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. Lacarbontec.com needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (30%)

Requests Now

23

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lacarbontec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lacarbontec.com accessibility score

36

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

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

lacarbontec.com best practices score

75

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

SEO Factors

lacarbontec.com SEO score

92

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

Image elements do not have [alt] attributes

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lacarbontec.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lacarbontec.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Lacarbontec. 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: