Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

opticalbrightenerpowder.com

Quality Optical Brightener Powder & Optical Brighteners In Textiles factory from China

Page Load Speed

883 ms in total

First Response

93 ms

Resources Loaded

632 ms

Page Rendered

158 ms

opticalbrightenerpowder.com screenshot

About Website

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

China leading provider of Optical Brightener Powder and Optical Brighteners In Textiles, Shanghai Longpu Industry Co.,Ltd is Optical Brighteners In Textiles factory.

Visit opticalbrightenerpowder.com

Key Findings

We analyzed Opticalbrightenerpowder.com page load time and found that the first response time was 93 ms and then it took 790 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

opticalbrightenerpowder.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.853

4/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

opticalbrightenerpowder.com

93 ms

www.opticalbrightenerpowder.com

180 ms

www.opticalbrightenerpowder.com

38 ms

jquery.js

74 ms

www.opticalbrightenerpowder.com

190 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 83% of them (20 requests) were addressed to the original Opticalbrightenerpowder.com, 8% (2 requests) were made to Googletagmanager.com and 4% (1 request) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (190 ms) belongs to the original domain Opticalbrightenerpowder.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.5 kB (38%)

Content Size

399.5 kB

After Optimization

245.9 kB

In fact, the total size of Opticalbrightenerpowder.com main page is 399.5 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. Javascripts take 146.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 100.9 kB

  • Original 119.6 kB
  • After minification 103.7 kB
  • After compression 18.7 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 15.9 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 100.9 kB or 84% of the original size.

Image Optimization

-28%

Potential reduce by 28.5 kB

  • Original 102.6 kB
  • After minification 74.2 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. Obviously, Optical Brightener Powder needs image optimization as it can save up to 28.5 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 18.7 kB

  • Original 146.5 kB
  • After minification 146.5 kB
  • After compression 127.8 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 18.7 kB or 13% of the original size.

CSS Optimization

-18%

Potential reduce by 5.5 kB

  • Original 30.7 kB
  • After minification 30.7 kB
  • After compression 25.2 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. Opticalbrightenerpowder.com needs all CSS files to be minified and compressed as it can save up to 5.5 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (27%)

Requests Now

22

After Optimization

16

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optical Brightener Powder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

opticalbrightenerpowder.com accessibility score

91

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.

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

Links do not have a discernible name

Best Practices

opticalbrightenerpowder.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

opticalbrightenerpowder.com SEO score

99

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticalbrightenerpowder.com 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 Opticalbrightenerpowder.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 Optical Brightener Powder. 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: