Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

shenglin-tech.com

China Evaporator,Condenser,Heat Exchanger supplier/manfuacturer-SHENGLIN

Page Load Speed

11.6 sec in total

First Response

381 ms

Resources Loaded

10.9 sec

Page Rendered

394 ms

shenglin-tech.com screenshot

About Website

Visit shenglin-tech.com now to see the best up-to-date SHENGLIN Tech content for Indonesia and also check out these interesting facts you probably never knew about shenglin-tech.com

Shanghai Shenglin is a professional supplier in China specializes in refrigeration units and parts. Now we have two factories. One is mainly manufacturing condensers and evaporators, the other one is ...

Visit shenglin-tech.com

Key Findings

We analyzed Shenglin-tech.com page load time and found that the first response time was 381 ms and then it took 11.3 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

shenglin-tech.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

shenglin-tech.com

381 ms

shenglin-tech.com

317 ms

css.css

78 ms

slick.css

154 ms

jquery-1.7.2.min.js

579 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 61% of them (33 requests) were addressed to the original Shenglin-tech.com, 11% (6 requests) were made to Dat.zoosnet.net and 6% (3 requests) were made to Chat.singoo.cc. The less responsive or slowest element that took the longest time to load (10 sec) belongs to the original domain Shenglin-tech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 747.0 kB (25%)

Content Size

3.0 MB

After Optimization

2.2 MB

In fact, the total size of Shenglin-tech.com main page is 3.0 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. 35% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 89.9 kB

  • Original 108.1 kB
  • After minification 84.7 kB
  • After compression 18.2 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 23.5 kB, which is 22% 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 89.9 kB or 83% of the original size.

Image Optimization

-24%

Potential reduce by 651.2 kB

  • Original 2.7 MB
  • After minification 2.1 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. Obviously, SHENGLIN Tech needs image optimization as it can save up to 651.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 5.3 kB

  • Original 115.4 kB
  • After minification 114.9 kB
  • After compression 110.1 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

-5%

Potential reduce by 649 B

  • Original 13.6 kB
  • After minification 13.6 kB
  • After compression 12.9 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. Shenglin-tech.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (30%)

Requests Now

50

After Optimization

35

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SHENGLIN Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

shenglin-tech.com accessibility score

51

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.

Tables and lists

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

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Form elements do not have associated labels

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

shenglin-tech.com best practices score

50

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

shenglin-tech.com SEO score

75

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

    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 Shenglin-tech.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 Shenglin-tech.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 SHENGLIN Tech. 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: