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jcdl.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

jcdl.org

Joint Conference on Digital Libraries (JCDL) - Home

Page Load Speed

1.5 sec in total

First Response

90 ms

Resources Loaded

1.1 sec

Page Rendered

350 ms

jcdl.org screenshot

About Website

Click here to check amazing JCDL content for India. Otherwise, check out these important facts you probably never knew about jcdl.org

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Key Findings

We analyzed Jcdl.org page load time and found that the first response time was 90 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

jcdl.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

jcdl.org

90 ms

setCurrentTabBg.js

34 ms

reset.css

65 ms

text.css

63 ms

960.css

65 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Jcdl.org and no external sources were called. The less responsive or slowest element that took the longest time to load (923 ms) belongs to the original domain Jcdl.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.2 kB (3%)

Content Size

2.2 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Jcdl.org main page is 2.2 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. 15% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.2 kB

  • Original 8.8 kB
  • After minification 6.9 kB
  • After compression 2.5 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 1.9 kB, which is 21% 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 6.2 kB or 71% of the original size.

Image Optimization

-2%

Potential reduce by 46.8 kB

  • Original 2.2 MB
  • After minification 2.2 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. JCDL images are well optimized though.

CSS Optimization

-84%

Potential reduce by 14.2 kB

  • Original 16.9 kB
  • After minification 9.9 kB
  • After compression 2.7 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. Jcdl.org needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (23%)

Requests Now

13

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCDL. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

jcdl.org

jcdl.org

90 ms

setCurrentTabBg.js

setCurrentTabBg.js

34 ms

reset.css

reset.css

65 ms

text.css

text.css

63 ms

960.css

960.css

65 ms

home.css

home.css

255 ms

logo_1.png

logo_1.png

34 ms

conference1.jpg

conference1.jpg

87 ms

conference2.jpg

conference2.jpg

120 ms

conference3.jpg

conference3.jpg

87 ms

conference4.jpg

conference4.jpg

95 ms

jcdl2016-chairs.jpg

jcdl2016-chairs.jpg

923 ms

jcdl2015-paper-award-winners.jpg

jcdl2015-paper-award-winners.jpg

333 ms

jcdl2015-poster-award-winners.jpg

jcdl2015-poster-award-winners.jpg

366 ms

header.png

header.png

35 ms

tabs.gif

tabs.gif

34 ms

footer.png

footer.png

33 ms

Accessibility Review

jcdl.org accessibility score

89

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.

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

Links do not have a discernible name

Best Practices

jcdl.org best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

jcdl.org SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jcdl.org 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 Jcdl.org main page’s claimed encoding is iso-8859-1. 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

jcdl.org

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