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call4paper.com screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

call4paper.com

Call For Papers - The World's Largest Index/List of Call For Papers

Page Load Speed

9.2 sec in total

First Response

390 ms

Resources Loaded

7.4 sec

Page Rendered

1.4 sec

call4paper.com screenshot

About Website

Welcome to call4paper.com homepage info - get ready to check Call 4paper best content for India right away, or after learning these important things about call4paper.com

The world's largest index/list of calls for papers (CFP) of international conferences, workshops, journals, and book chapters in the whole academic fields.

Visit call4paper.com

Key Findings

We analyzed Call4paper.com page load time and found that the first response time was 390 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

call4paper.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value23.4 s

0/100

10%

TBT (Total Blocking Time)

Value2,280 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.631

9/100

15%

TTI (Time to Interactive)

Value39.2 s

0/100

10%

Network Requests Diagram

call4paper.com

390 ms

call4paper.com

5791 ms

css

94 ms

font.css

77 ms

bootstrap.min.css

70 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Call4paper.com, 80% (118 requests) were made to Dv8u54qddgb7y.cloudfront.net and 8% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.8 sec) belongs to the original domain Call4paper.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 673.3 kB (79%)

Content Size

849.8 kB

After Optimization

176.5 kB

  • HTML
  • JavaScript

In fact, the total size of Call4paper.com main page is 849.8 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. Only a small number of websites need less resources to load. HTML takes 704.0 kB which makes up the majority of the site volume.

HTML Optimization

-96%

Potential reduce by 673.3 kB

  • Original 704.0 kB
  • After minification 405.1 kB
  • After compression 30.7 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 298.9 kB, which is 42% 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 673.3 kB or 96% of the original size.

JavaScript Optimization

-0%

Potential reduce by 21 B

  • Original 145.9 kB
  • After minification 145.9 kB
  • After compression 145.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 109 (91%)

Requests Now

120

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Call 4paper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

call4paper.com

call4paper.com

390 ms

call4paper.com

call4paper.com

5791 ms

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94 ms

font.css

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126 ms

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806 ms

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126 ms

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127 ms

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Accessibility Review

call4paper.com accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

call4paper.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

call4paper.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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Call4paper.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Call4paper.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

call4paper.com

Open Graph description is not detected on the main page of Call 4paper. 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: