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polymerchem.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

polymerchem.com

英国宝莱尔|POLYMER

Page Load Speed

17.4 sec in total

First Response

750 ms

Resources Loaded

16.1 sec

Page Rendered

511 ms

polymerchem.com screenshot

About Website

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

英国宝莱尔|POLYMER

Visit polymerchem.com

Key Findings

We analyzed Polymerchem.com page load time and found that the first response time was 750 ms and then it took 16.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

polymerchem.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value16.5 s

0/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value1.446

0/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

polymerchem.com

750 ms

hm.js

1384 ms

idangerous.swiper.css

212 ms

publi.css

419 ms

style.css

629 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 95% of them (76 requests) were addressed to the original Polymerchem.com, 5% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (13.9 sec) belongs to the original domain Polymerchem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.1 kB (5%)

Content Size

2.5 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Polymerchem.com main page is 2.5 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. 40% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 26.8 kB

  • Original 33.8 kB
  • After minification 29.9 kB
  • After compression 7.0 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 3.8 kB, which is 11% 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 26.8 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 72.9 kB

  • Original 2.4 MB
  • After minification 2.3 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. POLYMER Chem images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 15.1 kB

  • Original 74.9 kB
  • After minification 74.9 kB
  • After compression 59.9 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 15.1 kB or 20% of the original size.

CSS Optimization

-37%

Potential reduce by 9.4 kB

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 15.9 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. Polymerchem.com needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (14%)

Requests Now

79

After Optimization

68

  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of POLYMER Chem. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

polymerchem.com

polymerchem.com

750 ms

hm.js

hm.js

1384 ms

idangerous.swiper.css

idangerous.swiper.css

212 ms

publi.css

publi.css

419 ms

style.css

style.css

629 ms

en_style.css

en_style.css

421 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

843 ms

idangerous.swiper.min.js

idangerous.swiper.min.js

634 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

424 ms

index.js

index.js

627 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

630 ms

jquery.countup.min.js

jquery.countup.min.js

634 ms

gb2big5.js

gb2big5.js

835 ms

logo.png

logo.png

423 ms

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211 ms

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418 ms

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420 ms

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421 ms

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611 ms

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626 ms

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627 ms

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628 ms

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630 ms

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630 ms

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2297 ms

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4162 ms

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6781 ms

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13026 ms

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839 ms

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840 ms

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1471 ms

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1681 ms

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1681 ms

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1892 ms

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3784 ms

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2103 ms

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4239 ms

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7803 ms

hm.js

hm.js

360 ms

hm.gif

hm.gif

601 ms

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6318 ms

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5205 ms

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13919 ms

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5414 ms

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5622 ms

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6057 ms

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7291 ms

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8001 ms

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7824 ms

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9164 ms

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7808 ms

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387 ms

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7830 ms

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8036 ms

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8420 ms

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8443 ms

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8031 ms

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8239 ms

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8210 ms

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8233 ms

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8028 ms

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8209 ms

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8234 ms

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8026 ms

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8000 ms

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8026 ms

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pn_05.png

7897 ms

Accessibility Review

polymerchem.com accessibility score

45

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

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

polymerchem.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

polymerchem.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

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 Polymerchem.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 Polymerchem.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

polymerchem.com

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