Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

583idc.com

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Page Load Speed

44.8 sec in total

First Response

1.8 sec

Resources Loaded

42.7 sec

Page Rendered

426 ms

583idc.com screenshot

About Website

Visit 583idc.com now to see the best up-to-date 583 Idc content for China and also check out these interesting facts you probably never knew about 583idc.com

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Visit 583idc.com

Key Findings

We analyzed 583idc.com page load time and found that the first response time was 1.8 sec and then it took 43.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 7 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

583idc.com performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

Network Requests Diagram

583idc.com

1757 ms

index.css

656 ms

index.html

1131 ms

Global.css

10467 ms

vcss-blue

69 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 77% of them (60 requests) were addressed to the original 583idc.com, 10% (8 requests) were made to Sysimages.tq.cn and 9% (7 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 583idc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.8 kB (38%)

Content Size

520.1 kB

After Optimization

324.3 kB

In fact, the total size of 583idc.com main page is 520.1 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. 25% of websites need less resources to load. Images take 319.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.5 kB

  • Original 26.4 kB
  • After minification 24.9 kB
  • After compression 6.9 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 19.5 kB or 74% of the original size.

Image Optimization

-16%

Potential reduce by 50.3 kB

  • Original 319.5 kB
  • After minification 269.3 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, 583 Idc needs image optimization as it can save up to 50.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 112.8 kB

  • Original 156.5 kB
  • After minification 155.6 kB
  • After compression 43.7 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 112.8 kB or 72% of the original size.

CSS Optimization

-75%

Potential reduce by 13.3 kB

  • Original 17.7 kB
  • After minification 15.2 kB
  • After compression 4.4 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. 583idc.com needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (21%)

Requests Now

70

After Optimization

55

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 583 Idc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

583idc.com accessibility score

47

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

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.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

583idc.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

583idc.com SEO score

58

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document uses plugins

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 583idc.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 583idc.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

Open Graph description is not detected on the main page of 583 Idc. 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: