Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

bolishudian.com

北京翰林轩玻璃|吹制设备|琉璃设备|玻璃窑炉|灯工工具|灯工火枪

Page Load Speed

97.3 sec in total

First Response

16.5 sec

Resources Loaded

80.1 sec

Page Rendered

644 ms

bolishudian.com screenshot

About Website

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

专业销售最新吹制玻璃设备,琉璃设备,灯工工具,玻璃工作室设备,实验室设备等。

Visit bolishudian.com

Key Findings

We analyzed Bolishudian.com page load time and found that the first response time was 16.5 sec and then it took 80.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 96 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bolishudian.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.607

10/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

bolishudian.com

16519 ms

style.css

5011 ms

common.js

1219 ms

index.js

1571 ms

Qq981389008.css

1830 ms

Our browser made a total of 146 requests to load all elements on the main page. We found that 80% of them (117 requests) were addressed to the original Bolishudian.com, 13% (19 requests) were made to Sysimages.tq.cn and 2% (3 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Bolishudian.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.0 kB (68%)

Content Size

244.6 kB

After Optimization

78.6 kB

In fact, the total size of Bolishudian.com main page is 244.6 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. 20% of websites need less resources to load. HTML takes 91.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 78.0 kB

  • Original 91.8 kB
  • After minification 77.5 kB
  • After compression 13.8 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 14.3 kB, which is 16% 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 78.0 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 1.1 kB

  • Original 39.8 kB
  • After minification 38.6 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. Bolishudian images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 55.6 kB

  • Original 74.8 kB
  • After minification 73.8 kB
  • After compression 19.2 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 55.6 kB or 74% of the original size.

CSS Optimization

-82%

Potential reduce by 31.3 kB

  • Original 38.3 kB
  • After minification 29.6 kB
  • After compression 7.0 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. Bolishudian.com needs all CSS files to be minified and compressed as it can save up to 31.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (48%)

Requests Now

48

After Optimization

25

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bolishudian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bolishudian.com accessibility score

44

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

High

<object> elements do not have alternate text

Best Practices

bolishudian.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

bolishudian.com SEO score

54

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bolishudian.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 Bolishudian.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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