Access jsxyd.cn. 盐城市鑫益达精密机械有限公司_夹具_液压夹具_手动夹具_焊接工装_专用机床_组合机床_自动设备

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

75/100

10%

index.html

252 ms

jquery-1.7.2.min.js

493 ms

duoduo.js

478 ms

jquery.event.drag-1.5.min.js

482 ms

jquery.touchslider.js

508 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Jsxyd.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Jsxyd.cn.

Content Size

1.9 MB

After Optimization

1.8 MB

In fact, the total size of Jsxyd.cn main page is 1.9 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. 55% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 23.6 kB

Original 28.8 kB
After minification 23.2 kB
After compression 5.2 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 5.6 kB, which is 19% 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 23.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 53.3 kB

Original 1.8 MB
After minification 1.7 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. Jsxyd images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 11.8 kB

Original 51.0 kB
After minification 51.0 kB
After compression 39.2 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 11.8 kB or 23% of the original size.

CSS Optimization

-48%

Potential reduce by 16.4 kB

Original 34.0 kB
After minification 34.0 kB
After compression 17.6 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. Jsxyd.cn needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 48% of the original size.

Requests Now

After Optimization

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsxyd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 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 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

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

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

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 Jsxyd.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 Jsxyd.cn 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

jsxyd.cn

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

盐城市鑫益达精密机械有限公司_夹具_液压夹具_手动夹具_焊接工装_专用机床_组合机床_自动设备_通用部件

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

index.html

jquery-1.7.2.min.js

duoduo.js

jquery.event.drag-1.5.min.js

jquery.touchslider.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

index.html

jquery-1.7.2.min.js

duoduo.js

jquery.event.drag-1.5.min.js

jquery.touchslider.js

style.css

base.css

animate.css

main.css

g2.css

slides.min.jquery.js

logo.png

index.png

a1.jpg

a3.jpg

20150812124106-669338592.jpg

20150812150015-83291752822697168.jpg

20150812150022-31539172353222968.jpg

20150812150116-94544511893764144.jpg

cpfu.png

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logoa.jpg

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20150818134311-62295312620699408.jpg

yfd.png

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20150819181220-64561999961733816.jpg

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nnsa.jpg

ja1.jpg

ja2.jpg

lxw.png

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xxf.png

banner1.jpg

banner2.jpg

hover_left.png

hover_right.png

xxaf.jpg

hes.jpg

hh.jpg