Access blackmobiles.com. 万象城在线登录-万象城（中国）

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.141

78/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

blackmobiles.com

76 ms

blackmobiles.com

166 ms

style.css

45 ms

jquery-1.10.2.js

65 ms

customscript-3.8.1.js

83 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 23% of them (10 requests) were addressed to the original Blackmobiles.com, 37% (16 requests) were made to Meebby.com and 26% (11 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (372 ms) relates to the external source Pagead2.googlesyndication.com.

Content Size

1.1 MB

After Optimization

701.1 kB

In fact, the total size of Blackmobiles.com main page is 1.1 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. 50% of websites need less resources to load. Javascripts take 576.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 39.3 kB

Original 49.5 kB
After minification 40.7 kB
After compression 10.2 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 8.8 kB, which is 18% 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 39.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

Original 441.9 kB
After minification 440.4 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. Blackmobiles images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 332.8 kB

Original 576.2 kB
After minification 576.2 kB
After compression 243.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 332.8 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 37.5 kB

Original 44.6 kB
After minification 30.6 kB
After compression 7.1 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. Blackmobiles.com needs all CSS files to be minified and compressed as it can save up to 37.5 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackmobiles. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackmobiles.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 Blackmobiles.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

blackmobiles.com

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

万象城在线登录-万象城（中国）

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

blackmobiles.com

blackmobiles.com

style.css

jquery-1.10.2.js

customscript-3.8.1.js

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

blackmobiles.com

blackmobiles.com

style.css

jquery-1.10.2.js

customscript-3.8.1.js

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