Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

lonzuchemical.com

LNMP一键安装包 by Licess

Page Load Speed

8.9 sec in total

First Response

683 ms

Resources Loaded

7.5 sec

Page Rendered

735 ms

lonzuchemical.com screenshot

About Website

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

您已成功安装LNMP一键安装包!

Visit lonzuchemical.com

Key Findings

We analyzed Lonzuchemical.com page load time and found that the first response time was 683 ms and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

lonzuchemical.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.3

39/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

lonzuchemical.com

683 ms

www.lonzuchemical.com

1395 ms

swiper.min.css

219 ms

common.css

435 ms

index.css

641 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 99% of them (95 requests) were addressed to the original Lonzuchemical.com, 1% (1 request) were made to . The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Lonzuchemical.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.8 kB (2%)

Content Size

19.2 MB

After Optimization

18.9 MB

In fact, the total size of Lonzuchemical.com main page is 19.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 18.9 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 152.3 kB

  • Original 169.4 kB
  • After minification 136.4 kB
  • After compression 17.1 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. This page needs HTML code to be minified as it can gain 32.9 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 152.3 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 176.5 kB

  • Original 18.9 MB
  • After minification 18.8 MB

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. Lonzuchemical images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 12.7 kB

  • Original 105.4 kB
  • After minification 105.4 kB
  • After compression 92.7 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 12.7 kB or 12% of the original size.

CSS Optimization

-35%

Potential reduce by 7.4 kB

  • Original 21.0 kB
  • After minification 19.9 kB
  • After compression 13.6 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. Lonzuchemical.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (11%)

Requests Now

92

After Optimization

82

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lonzuchemical. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lonzuchemical.com accessibility score

69

Accessibility Issues

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

lonzuchemical.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

lonzuchemical.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lonzuchemical.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Lonzuchemical.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 Lonzuchemical. 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: