Access computingportal.org. Conifer | Ensemble: Computing Portal (Web archive collection by RaeAllen)

Report Summary

About Website

Click here to check amazing Computing Portal content. Otherwise, check out these important facts you probably never knew about computingportal.org

Ensemble is a NSF NSDL Pathways project working to establish a national, distributed digital library for computing education. Our project is building a distributed portal providing access to a broad r...

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name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value4,000 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

computingportal.org

142 ms

reset.css

28 ms

system.base.css

33 ms

system.menus.css

33 ms

system.messages.css

37 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 95% of them (73 requests) were addressed to the original Computingportal.org, 3% (2 requests) were made to Code.jquery.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Computingportal.org.

Content Size

1.2 MB

After Optimization

822.4 kB

In fact, the total size of Computingportal.org main page is 1.2 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. 45% of websites need less resources to load. Images take 837.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.0 kB

Original 56.3 kB
After minification 51.1 kB
After compression 11.2 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 45.0 kB or 80% of the original size.

Image Optimization

-12%

Potential reduce by 99.5 kB

Original 837.8 kB
After minification 738.3 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, Computing Portal needs image optimization as it can save up to 99.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 125.5 kB

Original 173.6 kB
After minification 126.0 kB
After compression 48.1 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 125.5 kB or 72% of the original size.

CSS Optimization

-79%

Potential reduce by 95.4 kB

Original 120.2 kB
After minification 90.1 kB
After compression 24.8 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. Computingportal.org needs all CSS files to be minified and compressed as it can save up to 95.4 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computing Portal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 49 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

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 Computingportal.org 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 Computingportal.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

computingportal.org

Open Graph description is not detected on the main page of Computing Portal. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Conifer | Ensemble: Computing Portal (Web archive collection by RaeAllen)

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)