Tools & Wizards About Us
deweichem.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

deweichem.com

Serving Advanced Chemicals:145224-92-6 8007-01-0 84603-93-0 8015-77-8 | DEWEICHEM

Page Load Speed

32.4 sec in total

First Response

8.1 sec

Resources Loaded

24.1 sec

Page Rendered

193 ms

deweichem.com screenshot

About Website

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

2022-11-09 DEWEICHEM Focusing on CMO and CDMO for Advanced Organic Chemicals.Supply 145224-92-6,8007-01-0,84603-93-0,8015-77-8. Serving Pharmaceutical Intermediates,Oled Chemicals,Fine Chemicals,Agroc...

Visit deweichem.com

Key Findings

We analyzed Deweichem.com page load time and found that the first response time was 8.1 sec and then it took 24.3 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

deweichem.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

deweichem.com

8105 ms

gtm.js

58 ms

bootswatch-materia.min.css

9838 ms

site.css

751 ms

7783-13-3.png

679 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 20% of them (10 requests) were addressed to the original Deweichem.com, 73% (36 requests) were made to Casnu.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (16 sec) belongs to the original domain Deweichem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.3 kB (78%)

Content Size

66.9 kB

After Optimization

14.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deweichem.com main page is 66.9 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. 15% of websites need less resources to load. HTML takes 55.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 49.3 kB

  • Original 55.8 kB
  • After minification 38.2 kB
  • After compression 6.5 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 17.6 kB, which is 32% 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 49.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.9 kB
  • After minification 4.9 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. DEWEICHEM images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 1.8 kB

  • Original 3.7 kB
  • After minification 3.6 kB
  • After compression 1.9 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 1.8 kB or 48% of the original size.

CSS Optimization

-50%

Potential reduce by 1.2 kB

  • Original 2.5 kB
  • After minification 2.3 kB
  • After compression 1.2 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. Deweichem.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (50%)

Requests Now

12

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DEWEICHEM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deweichem.com

deweichem.com

8105 ms

gtm.js

gtm.js

58 ms

bootswatch-materia.min.css

bootswatch-materia.min.css

9838 ms

site.css

site.css

751 ms

7783-13-3.png

7783-13-3.png

679 ms

24937-78-8.png

24937-78-8.png

681 ms

145224-92-6.png

145224-92-6.png

680 ms

1122-28-7.png

1122-28-7.png

138 ms

21715-90-2.png

21715-90-2.png

674 ms

89797-68-2.png

89797-68-2.png

675 ms

534-85-0.png

534-85-0.png

631 ms

4074-90-2.png

4074-90-2.png

1390 ms

6304-16-1.png

6304-16-1.png

1388 ms

2206-43-1.png

2206-43-1.png

1734 ms

40876-98-0.png

40876-98-0.png

1320 ms

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20570-96-1.png

1273 ms

4546-04-7.png

4546-04-7.png

1274 ms

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14575-84-9.png

1855 ms

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206752-32-1.png

1855 ms

21871-47-6.png

21871-47-6.png

2431 ms

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15088-78-5.png

2432 ms

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2998-56-3.png

1733 ms

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15980-15-1.png

1855 ms

25109-28-8.png

25109-28-8.png

1856 ms

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119-75-5.png

2822 ms

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31098-21-2.png

2852 ms

30434-65-2.png

30434-65-2.png

2419 ms

2050-07-9.png

2050-07-9.png

2420 ms

3964-18-9.png

3964-18-9.png

3193 ms

29654-55-5.png

29654-55-5.png

2820 ms

22502-03-0.png

22502-03-0.png

3191 ms

399-95-1.png

399-95-1.png

3192 ms

6846-35-1.png

6846-35-1.png

3221 ms

505-29-3.png

505-29-3.png

3758 ms

4136-95-2.png

4136-95-2.png

3723 ms

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394-41-2.png

3724 ms

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1837794-51-0.png

3813 ms

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108-56-5.png

3814 ms

4439-20-7.png

4439-20-7.png

3723 ms

1965-09-9.png

1965-09-9.png

4184 ms

logo.png

logo.png

644 ms

CMX-logo.png

CMX-logo.png

1366 ms

bootstrap-icons.css

bootstrap-icons.css

34 ms

jquery.min.js

jquery.min.js

1412 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

300 ms

site.js

site.js

15981 ms

placeholder.png

placeholder.png

1787 ms

css2

css2

36 ms

background_slide_2.png

background_slide_2.png

6228 ms

Accessibility Review

deweichem.com accessibility score

93

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

deweichem.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

deweichem.com SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deweichem.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 Deweichem.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

deweichem.com

Open Graph data is detected on the main page of DEWEICHEM. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: