Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sh-chaiyou.com

上海柴油销售配送公司 - 上海柴油配送|上海0#柴油|上海柴油批发|

Page Load Speed

15.5 sec in total

First Response

3.4 sec

Resources Loaded

12 sec

Page Rendered

173 ms

sh-chaiyou.com screenshot

About Website

Visit sh-chaiyou.com now to see the best up-to-date Sh Chaiyou content and also check out these interesting facts you probably never knew about sh-chaiyou.com

上海柴油配送公司专注于(发电机组、工程机械、燃油锅炉)上海柴油配送优质企业,品质保证。供油热线:15921890396

Visit sh-chaiyou.com

Key Findings

We analyzed Sh-chaiyou.com page load time and found that the first response time was 3.4 sec and then it took 12.1 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

sh-chaiyou.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

sh-chaiyou.com

3397 ms

base.css

944 ms

jquery.js

2938 ms

base.js

729 ms

base.js

602 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Sh-chaiyou.com and no external sources were called. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain Sh-chaiyou.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.2 kB (39%)

Content Size

119.9 kB

After Optimization

73.6 kB

In fact, the total size of Sh-chaiyou.com main page is 119.9 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. Only 10% of websites need less resources to load. Images take 66.1 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 9.4 kB

  • Original 12.9 kB
  • After minification 11.2 kB
  • After compression 3.5 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 1.7 kB, which is 13% 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 9.4 kB or 73% of the original size.

Image Optimization

-6%

Potential reduce by 3.8 kB

  • Original 66.1 kB
  • After minification 62.3 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. Sh Chaiyou images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 20.2 kB

  • Original 24.6 kB
  • After minification 12.5 kB
  • After compression 4.4 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 20.2 kB or 82% of the original size.

CSS Optimization

-79%

Potential reduce by 12.9 kB

  • Original 16.2 kB
  • After minification 15.6 kB
  • After compression 3.4 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. Sh-chaiyou.com needs all CSS files to be minified and compressed as it can save up to 12.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (15%)

Requests Now

26

After Optimization

22

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sh Chaiyou. 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 as a result speed up the page load time.

Accessibility Review

sh-chaiyou.com accessibility score

68

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

Best Practices

sh-chaiyou.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sh-chaiyou.com SEO score

69

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

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 Sh-chaiyou.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 Sh-chaiyou.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 Sh Chaiyou. 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: