Tools & Wizards About Us
pva-china.net screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

pva-china.net

Producing POLYVINYL ALCOHOL,POLYVINYL ALCOHOL FIBER

Page Load Speed

2.6 sec in total

First Response

364 ms

Resources Loaded

2.1 sec

Page Rendered

103 ms

pva-china.net screenshot

About Website

Welcome to pva-china.net homepage info - get ready to check Pva China best content right away, or after learning these important things about pva-china.net

Lubon Vinylon Co.,Ltd. is one sub-company of Lubon Industry Co.,Ltd, major in producing POLYVINYL ALCOHOL (PVA, PVOH),POLYVINYL ALCOHOL FIBER (PVA FIBER)

Visit pva-china.net

Key Findings

We analyzed Pva-china.net page load time and found that the first response time was 364 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

pva-china.net performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

pva-china.net

364 ms

www.pva-china.net

717 ms

style_imagehover.css

68 ms

stylesheet.css

135 ms

stylesheet_css_buttons.css

135 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Pva-china.net and no external sources were called. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Pva-china.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.2 kB (9%)

Content Size

534.3 kB

After Optimization

488.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pva-china.net main page is 534.3 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. 25% of websites need less resources to load. Images take 444.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.6 kB

  • Original 15.8 kB
  • After minification 14.4 kB
  • After compression 4.2 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. 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 11.6 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 21.0 kB

  • Original 444.6 kB
  • After minification 423.6 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. Pva China images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 8.8 kB

  • Original 61.1 kB
  • After minification 61.1 kB
  • After compression 52.3 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 8.8 kB or 14% of the original size.

CSS Optimization

-38%

Potential reduce by 4.9 kB

  • Original 12.9 kB
  • After minification 12.1 kB
  • After compression 7.9 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. Pva-china.net needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (33%)

Requests Now

30

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pva China. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pva-china.net

pva-china.net

364 ms

www.pva-china.net

www.pva-china.net

717 ms

style_imagehover.css

style_imagehover.css

68 ms

stylesheet.css

stylesheet.css

135 ms

stylesheet_css_buttons.css

stylesheet_css_buttons.css

135 ms

stylesheet_random.css

stylesheet_random.css

136 ms

stylesheet_topmenu.css

stylesheet_topmenu.css

136 ms

jscript_imagehover.js

jscript_imagehover.js

137 ms

jscript_jquery0.min.js

jscript_jquery0.min.js

206 ms

jscript_jquery1.hoverIntent.minified.js

jscript_jquery1.hoverIntent.minified.js

199 ms

jscript_jquery2.dcmegamenu.1.2.js

jscript_jquery2.dcmegamenu.1.2.js

200 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

269 ms

navigationbar.js

navigationbar.js

204 ms

jquery.validate.js

jquery.validate.js

204 ms

bg.jpg

bg.jpg

128 ms

logo.gif

logo.gif

129 ms

tel.gif

tel.gif

155 ms

catbg.jpg

catbg.jpg

156 ms

contact.jpg

contact.jpg

156 ms

more.jpg

more.jpg

194 ms

item-ico.gif

item-ico.gif

195 ms

polyvinyl-alcohol-pva-005--171511382.jpg

polyvinyl-alcohol-pva-005--171511382.jpg

398 ms

3493207.jpg

3493207.jpg

531 ms

button_send.gif

button_send.gif

200 ms

index_04.jpg

index_04.jpg

129 ms

menu.jpg

menu.jpg

319 ms

categoriesbg.jpg

categoriesbg.jpg

188 ms

l_li.jpg

l_li.jpg

128 ms

main-titlebg1.gif

main-titlebg1.gif

130 ms

f_bg.jpg

f_bg.jpg

262 ms

messageboxhead.gif

messageboxhead.gif

181 ms

messagesclose.gif

messagesclose.gif

239 ms

messageboxbody.gif

messageboxbody.gif

247 ms

print_stylesheet.css

print_stylesheet.css

67 ms

Accessibility Review

pva-china.net accessibility score

65

Accessibility Issues

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

pva-china.net 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

pva-china.net SEO score

62

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pva-china.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Pva-china.net 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

pva-china.net

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