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coustoma.com screenshot

0

Performance
45

Accessibility

Visual factors better than
that of 19% of websites
75

Best Practices

More advanced features
available than in
35% of websites
92

SEO

Google-friendlier than
74% of websites

First Response

530 ms

Resources Loaded

8.9 sec

Page Rendered

283 ms

coustoma.com screenshot

About Website

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

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Key Findings

We analyzed Coustoma.com page load time and found that the first response time was 530 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.104

89/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

coustoma.com

530 ms

index.php

576 ms

style.css

66 ms

jquery.bc.min.js

126 ms

jquery.la.min.js

128 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 19% of them (7 requests) were addressed to the original Coustoma.com, 69% (25 requests) were made to Zxetech.com and 6% (2 requests) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (6.8 sec) relates to the external source Zxetech.com.

Content Size

127.8 kB

After Optimization

33.7 kB

In fact, the total size of Coustoma.com main page is 127.8 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. 20% of websites need less resources to load. Javascripts take 48.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 23.6 kB

Original 29.8 kB
After minification 25.8 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. This page needs HTML code to be minified as it can gain 4.0 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 23.6 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 780 B

Original 10.4 kB
After minification 9.6 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. Coustoma images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 37.4 kB

Original 48.1 kB
After minification 48.0 kB
After compression 10.6 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 37.4 kB or 78% of the original size.

CSS Optimization

-81%

Potential reduce by 32.2 kB

Original 39.6 kB
After minification 32.2 kB
After compression 7.3 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. Coustoma.com needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 81% of the original size.

Requests Now

33

After Optimization

29

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coustoma. 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.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

N/A
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coustoma.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Coustoma.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

coustoma.com

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