Tools & Wizards About Us
allchems.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

allchems.com

CÔNG TY TNHH TM-SX&DV TOÀN HÓA (Allchems Co., Ltd)

Page Load Speed

5.8 sec in total

First Response

1.2 sec

Resources Loaded

3.8 sec

Page Rendered

835 ms

allchems.com screenshot

About Website

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

Các loại phụ gia thực phẩm được chọn lọc từ các nguồn toàn cầu Nhật, Châu Âu, Mỹ, Hàn… đáp ứng các tiêu chuẩn về phụ gia thực phẩm an toàn quốc tế

Visit allchems.com

Key Findings

We analyzed Allchems.com page load time and found that the first response time was 1.2 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

allchems.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

allchems.com

1197 ms

mootools.js

484 ms

caption.js

475 ms

template_css.css

482 ms

ja.script.js

482 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 91% of them (29 requests) were addressed to the original Allchems.com, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Allchems.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.8 kB (17%)

Content Size

560.1 kB

After Optimization

465.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Allchems.com main page is 560.1 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. 25% of websites need less resources to load. Images take 431.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 30.7 kB

  • Original 36.9 kB
  • After minification 35.8 kB
  • After compression 6.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 30.7 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 24.9 kB

  • Original 431.6 kB
  • After minification 406.8 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. Allchems images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 36.8 kB

  • Original 84.9 kB
  • After minification 84.9 kB
  • After compression 48.1 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 36.8 kB or 43% of the original size.

CSS Optimization

-36%

Potential reduce by 2.5 kB

  • Original 6.7 kB
  • After minification 6.7 kB
  • After compression 4.3 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. Allchems.com needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allchems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

allchems.com

allchems.com

1197 ms

mootools.js

mootools.js

484 ms

caption.js

caption.js

475 ms

template_css.css

template_css.css

482 ms

ja.script.js

ja.script.js

482 ms

green.css

green.css

1164 ms

ja.transmenuh.css

ja.transmenuh.css

1164 ms

ja.transmenu.js

ja.transmenu.js

709 ms

online

online

69 ms

header-bg.jpg

header-bg.jpg

1188 ms

usertools-left-bg.gif

usertools-left-bg.gif

294 ms

usertools-right-bg.gif

usertools-right-bg.gif

294 ms

user-screen1.gif

user-screen1.gif

292 ms

user-screen2-hilite.gif

user-screen2-hilite.gif

295 ms

user-screen3.gif

user-screen3.gif

294 ms

user-increase.gif

user-increase.gif

469 ms

user-decrease.gif

user-decrease.gif

478 ms

user-reset.gif

user-reset.gif

476 ms

logo_green.png

logo_green.png

488 ms

bao-quan-thuc-pham-tuoi-lau.jpg

bao-quan-thuc-pham-tuoi-lau.jpg

1256 ms

con_tel.png

con_tel.png

703 ms

emailButton.png

emailButton.png

714 ms

con_fax.png

con_fax.png

717 ms

con_address.png

con_address.png

723 ms

left_bg1.jpg

left_bg1.jpg

1407 ms

call_blue_white_124x52.png

call_blue_white_124x52.png

954 ms

icon-search.gif

icon-search.gif

900 ms

bullet-list.gif

bullet-list.gif

907 ms

seperator.gif

seperator.gif

1131 ms

bullet-menu.gif

bullet-menu.gif

1136 ms

analytics.js

analytics.js

13 ms

collect

collect

44 ms

Accessibility Review

allchems.com accessibility score

47

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

allchems.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

allchems.com SEO score

62

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allchems.com can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Allchems.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

allchems.com

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