Tools & Wizards About Us
cei1958.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cei1958.com

中国电研

Page Load Speed

16.2 sec in total

First Response

1.2 sec

Resources Loaded

14.4 sec

Page Rendered

633 ms

cei1958.com screenshot

About Website

Welcome to cei1958.com homepage info - get ready to check Cei 1958 best content right away, or after learning these important things about cei1958.com

中国电研

Visit cei1958.com

Key Findings

We analyzed Cei1958.com page load time and found that the first response time was 1.2 sec and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cei1958.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

cei1958.com

1239 ms

editor.css

429 ms

css_whir.css

1065 ms

slick.css

429 ms

jquery-3.5.1.min.js

1085 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 96% of them (45 requests) were addressed to the original Cei1958.com, 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (12.1 sec) belongs to the original domain Cei1958.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 467.3 kB (14%)

Content Size

3.4 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cei1958.com main page is 3.4 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.6 kB

  • Original 32.9 kB
  • After minification 27.9 kB
  • After compression 7.3 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 5.0 kB, which is 15% 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 25.6 kB or 78% of the original size.

Image Optimization

-6%

Potential reduce by 173.4 kB

  • Original 3.0 MB
  • After minification 2.8 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. Cei 1958 images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 177.1 kB

  • Original 234.4 kB
  • After minification 196.2 kB
  • After compression 57.3 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 177.1 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 91.1 kB

  • Original 108.5 kB
  • After minification 94.2 kB
  • After compression 17.4 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. Cei1958.com needs all CSS files to be minified and compressed as it can save up to 91.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (22%)

Requests Now

46

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cei 1958. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cei1958.com

cei1958.com

1239 ms

editor.css

editor.css

429 ms

css_whir.css

css_whir.css

1065 ms

slick.css

slick.css

429 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

1085 ms

carousel.min.2.3.4.js

carousel.min.2.3.4.js

1099 ms

slick.min.js

slick.min.js

884 ms

jquery.waypoints.min.js

jquery.waypoints.min.js

644 ms

jquery.countup.min.js

jquery.countup.min.js

644 ms

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221 ms

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219 ms

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icon_search.png

218 ms

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7707 ms

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2798 ms

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7551 ms

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1709 ms

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7692 ms

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6416 ms

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2985 ms

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3671 ms

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10202 ms

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9309 ms

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6633 ms

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7493 ms

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7710 ms

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7768 ms

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7908 ms

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7928 ms

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7926 ms

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7986 ms

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8124 ms

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8142 ms

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8813 ms

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9934 ms

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9198 ms

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9645 ms

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9703 ms

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9415 ms

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9526 ms

icon20.png

icon20.png

9599 ms

bg1.jpg

bg1.jpg

12107 ms

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12119 ms

icon1.png

icon1.png

9768 ms

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10276 ms

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10629 ms

hm.js

hm.js

1332 ms

hm.gif

hm.gif

301 ms

Accessibility Review

cei1958.com accessibility score

78

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cei1958.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cei1958.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Mobile Friendly

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/).

Impact

Issue

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 Cei1958.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 Cei1958.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

cei1958.com

Open Graph description is not detected on the main page of Cei 1958. 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: