Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

coompo.com

Coompo company is a global high-tech enterprise, specializing in chemical and biological research products

Page Load Speed

3.6 sec in total

First Response

711 ms

Resources Loaded

2.7 sec

Page Rendered

132 ms

coompo.com screenshot

About Website

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

Coompo offers a wide range of high quality research chemicals including novel life-science reagents, reference standards, inhibitors, activator, APIs and natural compounds for laboratory and scientifi...

Visit coompo.com

Key Findings

We analyzed Coompo.com page load time and found that the first response time was 711 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

coompo.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

coompo.com

711 ms

coompo.com

862 ms

index.css

213 ms

logo_t.jpg

422 ms

Isobavachromene-C4562.jpg

627 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Coompo.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Coompo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.5 kB (11%)

Content Size

174.7 kB

After Optimization

156.2 kB

In fact, the total size of Coompo.com main page is 174.7 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. Images take 160.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 7.7 kB

  • Original 9.9 kB
  • After minification 9.1 kB
  • After compression 2.2 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 7.7 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 7.6 kB

  • Original 160.6 kB
  • After minification 153.0 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. Coompo images are well optimized though.

CSS Optimization

-76%

Potential reduce by 3.2 kB

  • Original 4.2 kB
  • After minification 3.6 kB
  • After compression 1.0 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. Coompo.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coompo. According to our analytics all requests are already optimized.

Accessibility Review

coompo.com accessibility score

69

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

Best Practices

coompo.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

SEO Factors

coompo.com SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coompo.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Coompo.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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