Access it579.net. 环讯传媒,永康网络公司,永康网站建设,永康小程序开发制作,永康网站制作,武义网页设计,金华地区网站SEO优化推广

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

it579.net

868 ms

jquery-1.7.2.min.js

614 ms

ScrollPicLeft.js

396 ms

css.css

415 ms

responsiveslides.css

416 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 72% of them (92 requests) were addressed to the original It579.net, 11% (14 requests) were made to Bdimg.share.baidu.com and 5% (7 requests) were made to Crm.it579.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain It579.net.

Content Size

2.3 MB

After Optimization

2.2 MB

In fact, the total size of It579.net main page is 2.3 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 38.4 kB

Original 50.6 kB
After minification 46.1 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. 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 38.4 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 45.1 kB

Original 2.1 MB
After minification 2.1 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. It 579 images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 18.8 kB

Original 117.6 kB
After minification 117.6 kB
After compression 98.8 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 18.8 kB or 16% of the original size.

CSS Optimization

-26%

Potential reduce by 3.2 kB

Original 12.6 kB
After minification 12.6 kB
After compression 9.4 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. It579.net needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 26% of the original size.

Requests Now

119

After Optimization

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of It 579. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 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 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.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise It579.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that It579.net 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

it579.net

Open Graph description is not detected on the main page of It 579. 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

环讯传媒,永康网络公司,永康网站建设,永康小程序开发制作,永康网站制作,武义网页设计,金华地区网站SEO优化推广 - 永康市环讯电子商务有限公司

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

it579.net

jquery-1.7.2.min.js

ScrollPicLeft.js

css.css

responsiveslides.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

it579.net

jquery-1.7.2.min.js

ScrollPicLeft.js

css.css

responsiveslides.css

responsiveslides.min.js

newsScroll.js

lytebox.js

53851.js

kefuOnline.js

floatad.js

lytebox.css

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