5.2 sec in total
179 ms
2.5 sec
2.5 sec
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Visit nelsonmandelaonline.netWe analyzed Nelsonmandelaonline.net page load time and found that the first response time was 179 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
nelsonmandelaonline.net performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value17.6 s
0/100
25%
Value19.3 s
0/100
10%
Value110 ms
97/100
30%
Value1.545
0/100
15%
Value22.0 s
1/100
10%
179 ms
94 ms
132 ms
94 ms
103 ms
Our browser made a total of 128 requests to load all elements on the main page. We found that 12% of them (15 requests) were addressed to the original Nelsonmandelaonline.net, 10% (13 requests) were made to W.sharethis.com and 6% (8 requests) were made to C.betrad.com. The less responsive or slowest element that took the longest time to load (509 ms) relates to the external source Googleads.g.doubleclick.net.
Page size can be reduced by 1.0 MB (50%)
2.0 MB
1.0 MB
In fact, the total size of Nelsonmandelaonline.net main page is 2.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 996.9 kB which makes up the majority of the site volume.
Potential reduce by 59.9 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 59.9 kB or 66% of the original size.
Potential reduce by 77.0 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, Nelsonmandelaonline needs image optimization as it can save up to 77.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 644.4 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 644.4 kB or 65% of the original size.
Potential reduce by 228.1 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. Nelsonmandelaonline.net needs all CSS files to be minified and compressed as it can save up to 228.1 kB or 83% of the original size.
Number of requests can be reduced by 77 (63%)
122
45
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nelsonmandelaonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
nelsonmandelaonline.net
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ui.totop.css
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jquery-1.3.2.min.js
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nelson-mandela.jpg
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nelson%20manela%20-%20we%20can%20change%20the%20world%20-%20it%20is%20in%20your%20hands.jpg
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quote-great-generation.jpg
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nelson%20manela%20-%20rising%20every%20time%20we%20fall.jpg
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nelson%20manela%20-%20it%20always%20seems%20impossible%20until%20it%20is%20done.jpg
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nelson%20manela%20-%20freedom.jpg
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nelsonmandelaonline.net accessibility score
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
nelsonmandelaonline.net 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
nelsonmandelaonline.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nelsonmandelaonline.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Nelsonmandelaonline.net 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.
nelsonmandelaonline.net
Open Graph description is not detected on the main page of Nelsonmandelaonline. 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: