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Report Summary

About Website

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

Industrial Organic Chemicals exporters - Cosmoss VU Limited suppliers of Ammonium Bicarbonate Hong Kong, Hong Kong Ammonium Carbonate, wholesale Ammonium Bicarbonate supplier, Industrial Organic Chemi...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

cvuchem.com

537 ms

www.cvuchem.com

1162 ms

js

103 ms

catalog_common.css

49 ms

catalog.css

59 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Cvuchem.com, 57% (28 requests) were made to Catalog.wlimg.com and 12% (6 requests) were made to 2.wlimg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cvuchem.com.

Content Size

574.9 kB

After Optimization

456.5 kB

In fact, the total size of Cvuchem.com main page is 574.9 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. 60% of websites need less resources to load. Images take 210.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 84.1 kB

Original 105.8 kB
After minification 104.8 kB
After compression 21.7 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. 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 84.1 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 21.3 kB

Original 210.5 kB
After minification 189.2 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. Cvuchem images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 204 B

Original 154.6 kB
After minification 154.6 kB
After compression 154.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 12.8 kB

Original 104.0 kB
After minification 104.0 kB
After compression 91.3 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. Cvuchem.com needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 12% of the original size.

Requests Now

After Optimization

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cvuchem. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Cvuchem.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 Cvuchem.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

cvuchem.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Industrial Organic Chemicals,Ammonium Bicarbonate,Ammonium Carbonate Suppliers

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)