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chemdex.com.sg screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

chemdex.com.sg

Chemdex Technologies and Industrial Solutions Singapore

Page Load Speed

7.1 sec in total

First Response

1.6 sec

Resources Loaded

5.1 sec

Page Rendered

294 ms

chemdex.com.sg screenshot

About Website

Click here to check amazing Chemdex content. Otherwise, check out these important facts you probably never knew about chemdex.com.sg

Chemdex Technologies provides a wide range of innovative solutions in the field of microelectronics, medical and safety, food, manufacturing, and more. Visit us today!

Visit chemdex.com.sg

Key Findings

We analyzed Chemdex.com.sg page load time and found that the first response time was 1.6 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

chemdex.com.sg performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.168

70/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

chemdex.com.sg

1641 ms

wp-emoji-release.min.js

235 ms

styles.css

456 ms

wp-paginate.css

463 ms

jquery.js

697 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 62% of them (36 requests) were addressed to the original Chemdex.com.sg, 26% (15 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chemdex.com.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.9 kB (6%)

Content Size

1.1 MB

After Optimization

992.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemdex.com.sg main page is 1.1 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. 60% of websites need less resources to load. Images take 786.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.4 kB

  • Original 30.1 kB
  • After minification 26.0 kB
  • After compression 5.7 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 4.1 kB, which is 14% 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 24.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 880 B

  • Original 786.0 kB
  • After minification 785.2 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. Chemdex images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 32.7 kB

  • Original 201.9 kB
  • After minification 201.9 kB
  • After compression 169.2 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 32.7 kB or 16% of the original size.

CSS Optimization

-22%

Potential reduce by 8.9 kB

  • Original 41.0 kB
  • After minification 41.0 kB
  • After compression 32.1 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. Chemdex.com.sg needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (56%)

Requests Now

41

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemdex. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chemdex.com.sg

chemdex.com.sg

1641 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

235 ms

styles.css

styles.css

456 ms

wp-paginate.css

wp-paginate.css

463 ms

jquery.js

jquery.js

697 ms

jquery-migrate.min.js

jquery-migrate.min.js

466 ms

style.css

style.css

464 ms

plugins.css

plugins.css

473 ms

bootstrap.min.css

bootstrap.min.css

909 ms

font-awesome.min.css

font-awesome.min.css

693 ms

main.css

main.css

695 ms

css

css

33 ms

css

css

48 ms

css

css

49 ms

css

css

51 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

948 ms

bootstrap.min.js

bootstrap.min.js

713 ms

jquery.mobile.customized.min.js

jquery.mobile.customized.min.js

1158 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

947 ms

camera.js

camera.js

961 ms

plugins.js

plugins.js

964 ms

jquery.form.min.js

jquery.form.min.js

1136 ms

scripts.js

scripts.js

1156 ms

wp-embed.min.js

wp-embed.min.js

1179 ms

analytics.js

analytics.js

54 ms

logo.png

logo.png

323 ms

bg-ab.png

bg-ab.png

325 ms

home-thumb-medical.jpg

home-thumb-medical.jpg

670 ms

home-thumb-safety.jpg

home-thumb-safety.jpg

926 ms

home-thumb-electro.jpg

home-thumb-electro.jpg

469 ms

home-thumb-tabnreel.jpg

home-thumb-tabnreel.jpg

473 ms

home-thumb-swab.jpg

home-thumb-swab.jpg

476 ms

home-thumb-cleaningkit.jpg

home-thumb-cleaningkit.jpg

518 ms

bg-footer.jpg

bg-footer.jpg

700 ms

logoverz.png

logoverz.png

704 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXBi8Jow.ttf

32 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K3vXBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K3vXBi8Jow.ttf

45 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32KxfXBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32KxfXBi8Jow.ttf

55 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K5fQBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K5fQBi8Jow.ttf

68 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K67QBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K67QBi8Jow.ttf

67 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K8nQBi8Jow.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K8nQBi8Jow.ttf

67 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

904 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

64 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

64 ms

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KFOlCnqEu92Fr1MmSU5fBBc9.ttf

63 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

76 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

77 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

77 ms

collect

collect

18 ms

js

js

78 ms

bg-menu.png

bg-menu.png

434 ms

linemenu.png

linemenu.png

577 ms

camera-loader.gif

camera-loader.gif

611 ms

01-Chemdex_Home-Copy.jpg

01-Chemdex_Home-Copy.jpg

1533 ms

banner2B.jpg

banner2B.jpg

690 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

6 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

11 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

11 ms

Accessibility Review

chemdex.com.sg accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

chemdex.com.sg best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chemdex.com.sg SEO score

80

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

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 Chemdex.com.sg 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 Chemdex.com.sg 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

chemdex.com.sg

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