Tools & Wizards About Us

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

eecs183.org

EECS 183: Elementary Programming Concepts

Page Load Speed

779 ms in total

First Response

161 ms

Resources Loaded

516 ms

Page Rendered

102 ms

About Website

Welcome to eecs183.org homepage info - get ready to check EECS 183 best content for United States right away, or after learning these important things about eecs183.org

EECS 183

Visit eecs183.org

Key Findings

We analyzed Eecs183.org page load time and found that the first response time was 161 ms and then it took 618 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

eecs183.org performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

eecs183.org

161 ms

118 ms

19 ms

semantic.min.css

41 ms

jquery-3.1.1.min.js

16 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 15% of them (2 requests) were addressed to the original Eecs183.org, 38% (5 requests) were made to Eecs183.github.io and 31% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (161 ms) belongs to the original domain Eecs183.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.9 kB (8%)

Content Size

61.2 kB

After Optimization

56.3 kB

  • HTML
  • Images

In fact, the total size of Eecs183.org main page is 61.2 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. 15% of websites need less resources to load. Images take 57.8 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 2.0 kB

  • Original 3.4 kB
  • After minification 2.9 kB
  • After compression 1.4 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. This page needs HTML code to be minified as it can gain 430 B, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 2.0 kB or 59% of the original size.

Image Optimization

-5%

Potential reduce by 2.9 kB

  • Original 57.8 kB
  • After minification 54.9 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. EECS 183 images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EECS 183. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

eecs183.org accessibility score

100

Accessibility Issues

Best Practices

eecs183.org best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

eecs183.org SEO score

100

Search Engine Optimization Advices

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

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 Eecs183.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 Eecs183.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

Open Graph description is not detected on the main page of EECS 183. 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: