Access 51hongli.com. 首页-江苏16877太阳集团,0638太阳集团,太阳集团tcy8722环保科技有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.788

5/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

51hongli.com

408 ms

www.51hongli.com

654 ms

style.css

71 ms

common.css

141 ms

lanrenzhijia.css

212 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 94% of them (79 requests) were addressed to the original 51hongli.com, 5% (4 requests) were made to Hm.baidu.com and 1% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Hm.baidu.com.

Content Size

95.3 kB

After Optimization

64.2 kB

In fact, the total size of 51hongli.com main page is 95.3 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. 45% of websites need less resources to load. Javascripts take 60.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 17.1 kB

Original 23.3 kB
After minification 22.1 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 17.1 kB or 73% of the original size.

JavaScript Optimization

-11%

Potential reduce by 6.6 kB

Original 60.4 kB
After minification 60.3 kB
After compression 53.8 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 6.6 kB or 11% of the original size.

CSS Optimization

-64%

Potential reduce by 7.4 kB

Original 11.5 kB
After minification 11.0 kB
After compression 4.1 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. 51hongli.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 64% of the original size.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Hongli. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 51hongli.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 51hongli.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

51hongli.com

Open Graph description is not detected on the main page of 51 Hongli. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

首页-江苏16877太阳集团,0638太阳集团,太阳集团tcy8722环保科技有限公司

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

51hongli.com

www.51hongli.com

style.css

common.css

lanrenzhijia.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

51hongli.com

www.51hongli.com

style.css

common.css

lanrenzhijia.css

All.js

jquery-1.7.2.min.js

jquery.flexslider-min.js

style-2.css

lrtk.js

top2.webp

top1.webp

logo.webp

con2.webp

con2more.webp

con3title.webp

con3li.webp

1614587375.webp

1614584487.webp

1614592559.webp

1614593514.webp

1614585355.webp

1582180218.webp

1614585155.webp

1614585218.webp

1614591590.webp

1585556748.webp

1582180426.webp

1582175823.webp

1585561840.webp

1585558163.webp

1582176980.webp

gg_03.webp

con4more.webp

1582169446.webp

1582172254.webp

1582177243.webp

1582178632.webp

1582172377.webp

1582178493.webp

con5more.webp

hm.js

hm.js

js-sdk-pro.min.js