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7cbt.com screenshot

95

Performance

Renders faster than
93% of other websites
82

Accessibility

Visual factors better than
that of 54% of websites
85

Best Practices

More advanced features
available than in
81% of websites
71

SEO

Google-friendlier than
30% of websites

First Response

550 ms

Resources Loaded

20.6 sec

Page Rendered

2.4 sec

7cbt.com screenshot

About Website

Welcome to 7cbt.com homepage info - get ready to check 7 Cbt best content right away, or after learning these important things about 7cbt.com

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Key Findings

We analyzed 7cbt.com page load time and found that the first response time was 550 ms and then it took 23.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

7cbt.com

550 ms

style.css

136 ms

jquery.js

222 ms

jquery-migrate.min.js

142 ms

jquery.1.1.4.min.bc.js

152 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 7% of them (11 requests) were addressed to the original 7cbt.com, 27% (42 requests) were made to Image.cgeszdcm.com and 27% (42 requests) were made to 666bo.co. The less responsive or slowest element that took the longest time to load (5.6 sec) relates to the external source Js.qiyeqq-sd.com.

Content Size

6.4 MB

After Optimization

5.6 MB

In fact, the total size of 7cbt.com main page is 6.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 69.6 kB

Original 93.5 kB
After minification 87.9 kB
After compression 23.9 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 69.6 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 480.9 kB

Original 5.9 MB
After minification 5.4 MB

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. 7 Cbt images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 227.4 kB

Original 379.2 kB
After minification 369.1 kB
After compression 151.8 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 227.4 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 67.0 kB

Original 84.3 kB
After minification 76.4 kB
After compression 17.3 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. 7cbt.com needs all CSS files to be minified and compressed as it can save up to 67.0 kB or 79% of the original size.

Requests Now

155

After Optimization

119

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7 Cbt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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 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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

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

High

Links are not crawlable

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 7cbt.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 7cbt.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

7cbt.com

Open Graph description is not detected on the main page of 7 Cbt. 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: