Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

caj11.com

求学图书馆 — 一站式文献论文下载平台

Page Load Speed

4.1 sec in total

First Response

693 ms

Resources Loaded

3.3 sec

Page Rendered

131 ms

caj11.com screenshot

About Website

Visit caj11.com now to see the best up-to-date Caj 11 content for China and also check out these interesting facts you probably never knew about caj11.com

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Key Findings

We analyzed Caj11.com page load time and found that the first response time was 693 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

caj11.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

54/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

caj11.com

693 ms

www.caj11.com

674 ms

sdcms.css

215 ms

xixi.css

419 ms

lrtk.js

426 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Caj11.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Caj11.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.8 kB (19%)

Content Size

113.3 kB

After Optimization

91.5 kB

In fact, the total size of Caj11.com main page is 113.3 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. 15% of websites need less resources to load. Images take 87.6 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 7.0 kB

  • Original 10.8 kB
  • After minification 9.6 kB
  • After compression 3.8 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 1.2 kB, which is 11% 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 7.0 kB or 65% of the original size.

Image Optimization

-12%

Potential reduce by 11.0 kB

  • Original 87.6 kB
  • After minification 76.7 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. Obviously, Caj 11 needs image optimization as it can save up to 11.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-23%

Potential reduce by 1.4 kB

  • Original 6.1 kB
  • After minification 6.0 kB
  • After compression 4.7 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 1.4 kB or 23% of the original size.

CSS Optimization

-27%

Potential reduce by 2.4 kB

  • Original 8.8 kB
  • After minification 8.8 kB
  • After compression 6.4 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. Caj11.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caj 11. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

caj11.com accessibility score

51

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

caj11.com best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

caj11.com SEO score

62

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 Caj11.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 Caj11.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 Caj 11. 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: