Access jac18.com. 保温杯|玻璃杯|塑料水杯|陶瓷杯|紫砂杯|不锈钢杯子定制批发厂家-江淮杯业

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value21.8 s

0/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value21.4 s

1/100

10%

jac18.com

1114 ms

www.jac18.com

16284 ms

jq.js

5564 ms

jquery.SuperSlide.js

3083 ms

mll_common.min.css

1790 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 71% of them (80 requests) were addressed to the original Jac18.com, 18% (20 requests) were made to Sysimages.tq.cn and 4% (4 requests) were made to Lxbjs.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Jac18.com.

Content Size

1.3 MB

After Optimization

816.5 kB

In fact, the total size of Jac18.com main page is 1.3 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. 30% of websites need less resources to load. Images take 763.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 115.2 kB

Original 140.8 kB
After minification 132.4 kB
After compression 25.7 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 115.2 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 66.0 kB

Original 763.7 kB
After minification 697.7 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. Jac 18 images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 225.1 kB

Original 310.2 kB
After minification 295.4 kB
After compression 85.1 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 225.1 kB or 73% of the original size.

CSS Optimization

-79%

Potential reduce by 30.7 kB

Original 38.7 kB
After minification 37.5 kB
After compression 8.0 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. Jac18.com needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jac 18. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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 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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

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

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 Jac18.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 Jac18.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

jac18.com

Open Graph description is not detected on the main page of Jac 18. 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

保温杯|玻璃杯|塑料水杯|陶瓷杯|紫砂杯|不锈钢杯子定制批发厂家-江淮杯业

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

jac18.com

www.jac18.com

jq.js

jquery.SuperSlide.js

mll_common.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

jac18.com

www.jac18.com

jq.js

jquery.SuperSlide.js

mll_common.min.css

uaredirect.js

common.js

user.js

utils.js

bbg.gif

logo.gif

tel.jpg

new4.gif

hot.gif

blank.gif

20160302153643_48509.jpg

floatcard

back_to_top.min.js

bg3.png

shadow_24.png

1.jpg

20160302aznvsq.jpg

2.jpg

loading.gif

3.jpg

4.jpg

bg7.png

hm.js

all_20100501.js

hm.gif

lxb.js

as.js

style.css

float.js

invite.js

log.gif

_l.js

bg8.png

shadow_24.png

781_thumb_G_1401171868763.jpg

2199_thumb_G_1401243841562.jpg

2198_thumb_G_1401243784157.jpg

2196_thumb_G_1401242869085.jpg