Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

okchem.com

杭州奥化网络科技有限公司

Page Load Speed

2.5 sec in total

First Response

169 ms

Resources Loaded

2.2 sec

Page Rendered

182 ms

About Website

Welcome to okchem.com homepage info - get ready to check Okchem best content for Indonesia right away, or after learning these important things about okchem.com

OKCHEM provides huge selection of quality chemical products and manufacturers from China, as well as Global Sourcing, Factory Audit, Production Inspection, Monitor Deliveries, China Travel Assistance,...

Visit okchem.com

Key Findings

We analyzed Okchem.com page load time and found that the first response time was 169 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

okchem.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

okchem.com

169 ms

www.okchem.com

424 ms

bootstrap.min.css

20 ms

okchem-7c61beec6a618f7c5a4db576fa07382c.css

85 ms

header-efff67449af59c10dcab8d14b5425150.css

171 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 89% of them (47 requests) were addressed to the original Okchem.com, 4% (2 requests) were made to Maxcdn.bootstrapcdn.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (742 ms) relates to the external source Google-analytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.8 kB (42%)

Content Size

653.5 kB

After Optimization

376.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Okchem.com main page is 653.5 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 262.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 21.1 kB

  • Original 27.0 kB
  • After minification 23.5 kB
  • After compression 6.0 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 3.5 kB, which is 13% 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 21.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 262.8 kB
  • After minification 261.7 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. Okchem images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 112.1 kB

  • Original 191.0 kB
  • After minification 174.4 kB
  • After compression 78.9 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 112.1 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 142.4 kB

  • Original 172.7 kB
  • After minification 162.0 kB
  • After compression 30.2 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. Okchem.com needs all CSS files to be minified and compressed as it can save up to 142.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (47%)

Requests Now

49

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Okchem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

okchem.com accessibility score

46

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

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

okchem.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

okchem.com SEO score

79

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 doesn't use 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 Okchem.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 Okchem.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 Okchem. 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: