Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

bwhgsb.com

搪玻璃冷凝器_搪玻璃管道_搪玻璃阀门_搪玻璃塔节_无锡市彪王化工设备厂

Page Load Speed

6.6 sec in total

First Response

1 sec

Resources Loaded

5.3 sec

Page Rendered

298 ms

About Website

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

我厂主要生产的化工防腐设备及配件中分为三大系列:1、搪玻璃系列;2、四氟系列;3、不锈钢系列,其中搪玻璃系列产品居多,且在搪玻璃这一领域里占重要位置,多次修订了搪玻璃系列相关的行业标准。产品有搪玻璃冷凝器、搪玻璃管道、搪玻璃阀门、搪玻璃塔节等,欢迎来电咨询!

Visit bwhgsb.com

Key Findings

We analyzed Bwhgsb.com page load time and found that the first response time was 1 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bwhgsb.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.226

55/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

bwhgsb.com

1038 ms

jq.js

843 ms

bootstrap.min.js

988 ms

hammer.min.js

969 ms

jquery.hammer.js

735 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 88% of them (28 requests) were addressed to the original Bwhgsb.com, 6% (2 requests) were made to Hm.baidu.com and 3% (1 request) were made to 5661.w4seo.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source 5661.w4seo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.7 kB (28%)

Content Size

1.0 MB

After Optimization

743.1 kB

In fact, the total size of Bwhgsb.com main page is 1.0 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. 20% of websites need less resources to load. Images take 661.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 15.4 kB

  • Original 21.5 kB
  • After minification 18.2 kB
  • After compression 6.1 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 3.3 kB, which is 15% 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 15.4 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 2.5 kB

  • Original 661.7 kB
  • After minification 659.3 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. Bwhgsb images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 109.1 kB

  • Original 160.5 kB
  • After minification 154.6 kB
  • After compression 51.3 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 109.1 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 156.7 kB

  • Original 183.1 kB
  • After minification 155.8 kB
  • After compression 26.4 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. Bwhgsb.com needs all CSS files to be minified and compressed as it can save up to 156.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (27%)

Requests Now

30

After Optimization

22

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bwhgsb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bwhgsb.com accessibility score

60

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

bwhgsb.com best practices score

67

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

Page has valid source maps

SEO Factors

bwhgsb.com SEO score

84

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

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 Bwhgsb.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 Bwhgsb.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 Bwhgsb. 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: