Access black-lister.com. 开云手机网页版(中国)官方网站

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

black-lister.com

1534 ms

style.css

207 ms

iconfont.css

410 ms

kefu.css

411 ms

share.min.css

411 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 27% of them (15 requests) were addressed to the original Black-lister.com, 55% (30 requests) were made to N.sinaimg.cn and 7% (4 requests) were made to Imgcdn.yicai.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Qz.fjsen.com.

Content Size

7.5 MB

After Optimization

7.2 MB

In fact, the total size of Black-lister.com main page is 7.5 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. 60% of websites need less resources to load. Images take 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 46.2 kB

Original 59.0 kB
After minification 54.0 kB
After compression 12.7 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 46.2 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 271.4 kB

Original 7.4 MB
After minification 7.1 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. Black Lister images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 7.2 kB

Original 45.6 kB
After minification 45.6 kB
After compression 38.5 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 7.2 kB or 16% of the original size.

CSS Optimization

-23%

Potential reduce by 2.4 kB

Original 10.6 kB
After minification 10.5 kB
After compression 8.2 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. Black-lister.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 23% of the original size.

Requests Now

After Optimization

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Lister. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS 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 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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

N/A
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Black-lister.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Black-lister.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

black-lister.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

开云手机网页版(中国)官方网站

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)

Network Requests Diagram

black-lister.com

style.css

iconfont.css

kefu.css

share.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

black-lister.com

style.css

iconfont.css

kefu.css

share.min.css

jquery-2.2.4.min.js

zblogphp.js

c_html_js_add.php

common.js

custom.js

jquery.lazyload.js

functions.js

wySilder.min.js

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