Access 137du.com. 久久人搡人人玩人妻_国产成人精品电影在线观看_亚洲中文字幕久久精品无码2021

name

value

score

weighting

FCP (First Contentful Paint)

Value12.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value26.6 s

0/100

25%

SI (Speed Index)

Value12.8 s

3/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.602

11/100

15%

TTI (Time to Interactive)

Value17.2 s

5/100

10%

137du.com

6597 ms

jquery-1.6.js

583 ms

dpl.css

600 ms

header.css

390 ms

footer.css

386 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 51% of them (30 requests) were addressed to the original 137du.com, 42% (25 requests) were made to G.tbcdn.cn and 5% (3 requests) were made to A.tbcdn.cn. The less responsive or slowest element that took the longest time to load (6.6 sec) belongs to the original domain 137du.com.

Content Size

599.4 kB

After Optimization

287.4 kB

In fact, the total size of 137du.com main page is 599.4 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. 30% of websites need less resources to load. Javascripts take 310.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 44.4 kB

Original 56.6 kB
After minification 49.6 kB
After compression 12.2 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 7.0 kB, which is 12% 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 44.4 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 5.1 kB

Original 161.1 kB
After minification 155.9 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. 137 Du images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 201.2 kB

Original 310.4 kB
After minification 308.7 kB
After compression 109.2 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 201.2 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 61.3 kB

Original 71.4 kB
After minification 67.3 kB
After compression 10.1 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. 137du.com needs all CSS files to be minified and compressed as it can save up to 61.3 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 137 Du. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 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

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 137du.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 137du.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

137du.com

Open Graph description is not detected on the main page of 137 Du. 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

久久人搡人人玩人妻_国产成人精品电影在线观看_亚洲中文字幕久久精品无码2021_aA区一区二区三无码精片

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

137du.com

jquery-1.6.js

dpl.css

header.css

footer.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

137du.com

jquery-1.6.js

dpl.css

header.css

footer.css

seed-min.js

api.js

logo.png

qqlogin.asp

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123.gif

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icooo.png

search_bg.jpg

T1RxJCFqxeXXaY1rfd-32-32.gif

node-min.js

base-min.js

base-min.js

base-min.js

touch-min.js

focusin-min.js

anim-min.js

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float_s.gif

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index-min.js

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