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Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

iswc2016.semanticweb.org

ISWC2016 The 15th International Semantic Web Conference : Home

Page Load Speed

746 ms in total

First Response

79 ms

Resources Loaded

420 ms

Page Rendered

247 ms

iswc2016.semanticweb.org screenshot

About Website

Welcome to iswc2016.semanticweb.org homepage info - get ready to check ISWC2016 Semantic Web best content for United States right away, or after learning these important things about iswc2016.semanticweb.org

ISWC 2016 is the premier international forum, for the Semantic Web / Linked Data Community. Here, scientists, industry specialists, and practitioners meet to discuss the future of practical, scalable,...

Visit iswc2016.semanticweb.org

Key Findings

We analyzed Iswc2016.semanticweb.org page load time and found that the first response time was 79 ms and then it took 667 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

iswc2016.semanticweb.org performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.416

23/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

iswc2016.semanticweb.org

79 ms

css

29 ms

main.css

17 ms

bootstrap.min.css

63 ms

bootstrap-theme.min.css

44 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 76% of them (19 requests) were addressed to the original Iswc2016.semanticweb.org, 8% (2 requests) were made to Platform.twitter.com and 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (133 ms) relates to the external source Platform.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 340.6 kB (16%)

Content Size

2.1 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iswc2016.semanticweb.org main page is 2.1 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. 65% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 27.0 kB

  • Original 31.3 kB
  • After minification 18.8 kB
  • After compression 4.3 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 12.5 kB, which is 40% 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 27.0 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 148.9 kB

  • Original 1.8 MB
  • After minification 1.7 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. ISWC2016 Semantic Web images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.0 kB or 60% of the original size.

CSS Optimization

-84%

Potential reduce by 132.7 kB

  • Original 157.9 kB
  • After minification 155.0 kB
  • After compression 25.2 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. Iswc2016.semanticweb.org needs all CSS files to be minified and compressed as it can save up to 132.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (36%)

Requests Now

22

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISWC2016 Semantic Web. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

iswc2016.semanticweb.org

iswc2016.semanticweb.org

79 ms

css

css

29 ms

main.css

main.css

17 ms

bootstrap.min.css

bootstrap.min.css

63 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

44 ms

iswc.css

iswc.css

18 ms

jquery.min.js

jquery.min.js

27 ms

bootstrap.min.js

bootstrap.min.js

26 ms

widgets.js

widgets.js

79 ms

analytics.js

analytics.js

8 ms

iswc-header.png

iswc-header.png

61 ms

iswc-header-m.png

iswc-header-m.png

58 ms

1.jpg

1.jpg

59 ms

2.jpg

2.jpg

59 ms

3.jpg

3.jpg

87 ms

kitano.jpg

kitano.jpg

57 ms

mckeown.png

mckeown.png

61 ms

bizer.gif

bizer.gif

60 ms

iswc2016-flyer-xs.png

iswc2016-flyer-xs.png

64 ms

sawa.png

sawa.png

62 ms

lodi.png

lodi.png

63 ms

collect

collect

15 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

6 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

26 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

133 ms

Accessibility Review

iswc2016.semanticweb.org accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

iswc2016.semanticweb.org 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iswc2016.semanticweb.org SEO score

85

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

Links do not have descriptive text

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iswc2016.semanticweb.org can be misinterpreted by Google and other search engines. Our service has detected that English 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 Iswc2016.semanticweb.org 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

iswc2016.semanticweb.org

Open Graph data is detected on the main page of ISWC2016 Semantic Web. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: