3.5 sec in total
801 ms
2.5 sec
181 ms
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Visit superlectures.comWe analyzed Superlectures.com page load time and found that the first response time was 801 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
superlectures.com performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value5.6 s
18/100
25%
Value4.7 s
69/100
10%
Value60 ms
100/100
30%
Value0.001
100/100
15%
Value4.9 s
78/100
10%
801 ms
235 ms
232 ms
27 ms
237 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 81% of them (35 requests) were addressed to the original Superlectures.com, 7% (3 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Superlectures.com.
Page size can be reduced by 118.5 kB (14%)
849.2 kB
730.7 kB
In fact, the total size of Superlectures.com main page is 849.2 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 746.9 kB which makes up the majority of the site volume.
Potential reduce by 12.6 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 12.6 kB or 81% of the original size.
Potential reduce by 77.1 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. Super Lectures images are well optimized though.
Potential reduce by 17.7 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 17.7 kB or 25% of the original size.
Potential reduce by 11.2 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. Superlectures.com needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 76% of the original size.
Number of requests can be reduced by 6 (15%)
39
33
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 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.superlectures.com
801 ms
layout-v04.css
235 ms
flexslider.css
232 ms
jquery.min.js
27 ms
jquery.coin-slider.min.js
237 ms
jquery.flexslider-min.js
236 ms
css
25 ms
css
42 ms
IgZJs4-7SA1XX_edsoXWog.ttf
22 ms
k3k702ZOKiLJc3WVjuplzC3USBnSvpkopQaUR-2r7iU.ttf
27 ms
bg.jpg
473 ms
logo.png
118 ms
czech.png
119 ms
odyssey2010.jpg
238 ms
barcampbrno2011.jpg
233 ms
interspeech2010.jpg
351 ms
icassp2011.jpg
349 ms
asru2011.jpg
355 ms
barcampvsetin2012.jpg
346 ms
starcube2012.jpg
353 ms
barcampbrno2012.jpg
574 ms
odyssey2012.jpg
582 ms
guadec2013.jpg
582 ms
asru2013.jpg
470 ms
tick.png
457 ms
01.png
570 ms
02.png
690 ms
03.png
691 ms
04.png
787 ms
05.png
1034 ms
06.jpg
919 ms
conference-thumbnail.png
804 ms
facebook32x32.png
806 ms
twitter32x32.png
808 ms
blog32x32.png
901 ms
logo-but-speech-at-fit.png
922 ms
logo-replaywell.png
923 ms
SHXJdWnWW6HDq-6DpcG8Py3USBnSvpkopQaUR-2r7iU.ttf
5 ms
bg-footer.png
919 ms
ga.js
5 ms
__utm.gif
11 ms
bg-how-does-it-work.png
975 ms
flexislider-navigation.png
123 ms
superlectures.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Links do not have a discernible name
superlectures.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
superlectures.com SEO score
EN
EN
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.
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: