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Welcome to computersciencehero.com homepage info - get ready to check Computersciencehero best content for United States right away, or after learning these important things about computersciencehero.com
Computer Science Hero is the number-one destination for computer science careers, education, job training, and professional organizations.
Visit computersciencehero.comWe analyzed Computersciencehero.com page load time and found that the first response time was 2.2 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
computersciencehero.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value4.4 s
40/100
25%
Value11.0 s
6/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value4.4 s
83/100
10%
2189 ms
4138 ms
65 ms
69 ms
74 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 78% of them (99 requests) were addressed to the original Computersciencehero.com, 9% (11 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Computersciencehero.com.
Page size can be reduced by 1.4 MB (30%)
4.7 MB
3.3 MB
In fact, the total size of Computersciencehero.com main page is 4.7 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. 85% 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. Images take 3.4 MB which makes up the majority of the site volume.
Potential reduce by 294.1 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 294.1 kB or 86% of the original size.
Potential reduce by 965.9 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, Computersciencehero needs image optimization as it can save up to 965.9 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 161.5 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 161.5 kB or 22% of the original size.
Potential reduce by 4.8 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. Computersciencehero.com has all CSS files already compressed.
Number of requests can be reduced by 103 (95%)
108
5
The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computersciencehero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 71 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.
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computersciencehero.com 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
Buttons do not have an accessible name
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
computersciencehero.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
computersciencehero.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Computersciencehero.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 Computersciencehero.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.
computersciencehero.com
Open Graph description is not detected on the main page of Computersciencehero. 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: