Tools & Wizards About Us
superlectures.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

superlectures.com

SuperLectures

Page Load Speed

3 sec in total

First Response

587 ms

Resources Loaded

2.2 sec

Page Rendered

177 ms

superlectures.com screenshot

About Website

Click here to check amazing Super Lectures content for India. Otherwise, check out these important facts you probably never knew about superlectures.com

We take full care of your conference, event or lecture video recordings.

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Key Findings

We analyzed Superlectures.com page load time and found that the first response time was 587 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

superlectures.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value360 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

www.superlectures.com

587 ms

layout-v04.css

120 ms

flexslider.css

227 ms

jquery.min.js

20 ms

jquery.coin-slider.min.js

316 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 53% of them (34 requests) were addressed to the original Superlectures.com, 38% (24 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (813 ms) belongs to the original domain Superlectures.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.7 kB (17%)

Content Size

829.2 kB

After Optimization

691.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Superlectures.com main page is 829.2 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. 40% of websites need less resources to load. Images take 699.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 12.4 kB

  • Original 15.4 kB
  • After minification 13.8 kB
  • After compression 3.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 12.4 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 74.9 kB

  • Original 699.8 kB
  • After minification 625.0 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, Super Lectures needs image optimization as it can save up to 74.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 49.6 kB

  • Original 109.7 kB
  • After minification 106.1 kB
  • After compression 60.0 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 49.6 kB or 45% of the original size.

CSS Optimization

-19%

Potential reduce by 840 B

  • Original 4.4 kB
  • After minification 4.4 kB
  • After compression 3.5 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. Superlectures.com needs all CSS files to be minified and compressed as it can save up to 840 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

39

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Super Lectures. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.superlectures.com

www.superlectures.com

587 ms

layout-v04.css

layout-v04.css

120 ms

flexslider.css

flexslider.css

227 ms

jquery.min.js

jquery.min.js

20 ms

jquery.coin-slider.min.js

jquery.coin-slider.min.js

316 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

317 ms

css

css

31 ms

css

css

50 ms

analytics.js

analytics.js

72 ms

bg.jpg

bg.jpg

301 ms

logo.png

logo.png

126 ms

czech.png

czech.png

155 ms

odyssey2010.jpg

odyssey2010.jpg

314 ms

barcampbrno2011.jpg

barcampbrno2011.jpg

150 ms

interspeech2010.jpg

interspeech2010.jpg

292 ms

icassp2011.jpg

icassp2011.jpg

302 ms

asru2011.jpg

asru2011.jpg

384 ms

barcampvsetin2012.jpg

barcampvsetin2012.jpg

423 ms

starcube2012.jpg

starcube2012.jpg

422 ms

barcampbrno2012.jpg

barcampbrno2012.jpg

426 ms

odyssey2012.jpg

odyssey2012.jpg

450 ms

guadec2013.jpg

guadec2013.jpg

470 ms

asru2013.jpg

asru2013.jpg

546 ms

01.png

01.png

581 ms

02.png

02.png

670 ms

03.png

03.png

561 ms

04.png

04.png

616 ms

05.png

05.png

804 ms

06.jpg

06.jpg

809 ms

facebook32x32.png

facebook32x32.png

666 ms

twitter32x32.png

twitter32x32.png

685 ms

blog32x32.png

blog32x32.png

722 ms

logo-but-speech-at-fit.png

logo-but-speech-at-fit.png

772 ms

logo-replaywell.png

logo-replaywell.png

775 ms

tick.png

tick.png

763 ms

Yq6R-LCAWCX3-6Ky7FAFrOF6lDouQb4.woff

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59 ms

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137 ms

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254 ms

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65 ms

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70 ms

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70 ms

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71 ms

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74 ms

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73 ms

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74 ms

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74 ms

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76 ms

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76 ms

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86 ms

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85 ms

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86 ms

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86 ms

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86 ms

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86 ms

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92 ms

bg-footer.png

bg-footer.png

763 ms

bg-how-does-it-work.png

bg-how-does-it-work.png

813 ms

collect

collect

19 ms

js

js

75 ms

flexislider-navigation.png

flexislider-navigation.png

109 ms

Accessibility Review

superlectures.com accessibility score

80

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.

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

Links do not have a discernible name

Best Practices

superlectures.com best practices score

67

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

SEO Factors

superlectures.com SEO score

77

Search Engine Optimization Advices

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 Superlectures.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 Superlectures.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

superlectures.com

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