Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

bellenchem.com

北京六合宁远

Page Load Speed

7.6 sec in total

First Response

688 ms

Resources Loaded

6.9 sec

Page Rendered

53 ms

About Website

Click here to check amazing Bellenchem content. Otherwise, check out these important facts you probably never knew about bellenchem.com

六合宁远自2010年成立以来，专业提供小分子药物化学合成CRO/CDMO服务（Contract Chemistry Services Organization-CCSO）。凭借多年来在小分子药物化学合成方面的技术优势和经验积累，公司构建了小分子新药研发化学合成一站式服务平台，为全球制药企业、创新药公司及新药研发机构提供从药物发现至商业化生产阶段完整的化学合成服务解决方案。

Visit bellenchem.com

Key Findings

We analyzed Bellenchem.com page load time and found that the first response time was 688 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bellenchem.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

bellenchem.com

688 ms

www.bellenchem.com

1169 ms

swiper.min.css

221 ms

font_3516092_6f8ux3bl8z8.css

100 ms

animate.min.css

435 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 96% of them (66 requests) were addressed to the original Bellenchem.com, 3% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Bellenchem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 232.7 kB (10%)

Content Size

2.4 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bellenchem.com main page is 2.4 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. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.5 kB

  • Original 46.8 kB
  • After minification 33.2 kB
  • After compression 8.2 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. This page needs HTML code to be minified as it can gain 13.5 kB, which is 29% 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 38.5 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 149.7 kB

  • Original 2.1 MB
  • After minification 2.0 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. Bellenchem images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 22.9 kB

  • Original 137.4 kB
  • After minification 137.4 kB
  • After compression 114.4 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 22.9 kB or 17% of the original size.

CSS Optimization

-26%

Potential reduce by 21.5 kB

  • Original 83.7 kB
  • After minification 83.7 kB
  • After compression 62.2 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. Bellenchem.com needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (52%)

Requests Now

67

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bellenchem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bellenchem.com accessibility score

73

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.

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 valid value for its [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

bellenchem.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

High

Page has valid source maps

SEO Factors

bellenchem.com SEO score

83

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

    CN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bellenchem.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Bellenchem.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 Bellenchem. 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: