Access jf.99.com.cn. 减肥_99健康网

name

value

score

weighting

FCP (First Contentful Paint)

Value13.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

jf.99.com.cn

1365 ms

layout.css

3498 ms

base_v1.0.js

3600 ms

jquery.flow.1.2.js

2336 ms

jquery.litenav.js

1808 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jf.99.com.cn, 27% (34 requests) were made to Img.99.com.cn and 13% (16 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Img.99.com.cn.

Content Size

1.7 MB

After Optimization

788.1 kB

In fact, the total size of Jf.99.com.cn main page is 1.7 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. 45% of websites need less resources to load. Javascripts take 944.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 91.4 kB

Original 111.8 kB
After minification 103.5 kB
After compression 20.5 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 91.4 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 65.7 kB

Original 580.6 kB
After minification 514.9 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. Obviously, Jf 99 needs image optimization as it can save up to 65.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 698.2 kB

Original 944.6 kB
After minification 844.4 kB
After compression 246.4 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 698.2 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 27.2 kB

Original 33.6 kB
After minification 31.5 kB
After compression 6.3 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. Jf.99.com.cn needs all CSS files to be minified and compressed as it can save up to 27.2 kB or 81% of the original size.

Requests Now

123

After Optimization

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jf 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 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

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 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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jf.99.com.cn 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 Jf.99.com.cn 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

jf.99.com.cn

Open Graph description is not detected on the main page of Jf 99. 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

减肥_99健康网_99健康相伴一生

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

jf.99.com.cn

layout.css

base_v1.0.js

jquery.flow.1.2.js

jquery.litenav.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

jf.99.com.cn

layout.css

base_v1.0.js

jquery.flow.1.2.js

jquery.litenav.js

detail.global_v_1.0.js

check.js

m.js

dialog.js

topbar.js

nfoot.js

c.php

c.php

head.css

style.css

ico_all.png

0613534119.jpg

2009060302524461825.jpg

NoPicture.jpg

0311100057.jpg

1812315454.jpg

jf_woman.gif

index.php

hs_sj.gif

acom

395-16022Z94409195_280_290.jpg

395-160224101959D2_280_290.jpg

c.js

uf.js

395_102829_1_lit_100_75.jpg

346_161449_1_lit_100_75.jpg

395-16030111233a16_280_290.jpg

395_103758_1_lit_280_290.jpg

395_090710_1_lit_100_75.jpg

acom

ls.js

logo.gif

ico.png

n-l.gif

n-m.gif

n-li.gif

n-r.gif

t-bj.gif