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cgi101.com screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

cgi101.com

CGI Programming 101

Page Load Speed

880 ms in total

First Response

204 ms

Resources Loaded

579 ms

Page Rendered

97 ms

cgi101.com screenshot

About Website

Click here to check amazing CGI 101 content for United States. Otherwise, check out these important facts you probably never knew about cgi101.com

Learn CGI today with this easy-to-follow online tutorial. Lots of helpful examples. No programming experience needed!

Visit cgi101.com

Key Findings

We analyzed Cgi101.com page load time and found that the first response time was 204 ms and then it took 676 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

cgi101.com performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

cgi101.com

204 ms

www.cgi101.com

91 ms

cgi101.css

72 ms

jquery-3.1.1.min.js

67 ms

rollovers.js

82 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Cgi101.com and no external sources were called. The less responsive or slowest element that took the longest time to load (204 ms) belongs to the original domain Cgi101.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.3 kB (4%)

Content Size

220.3 kB

After Optimization

212.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cgi101.com main page is 220.3 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. 20% of websites need less resources to load. Images take 187.1 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 1.4 kB

  • Original 2.3 kB
  • After minification 2.1 kB
  • After compression 906 B

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 1.4 kB or 61% of the original size.

Image Optimization

-4%

Potential reduce by 6.7 kB

  • Original 187.1 kB
  • After minification 180.5 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. CGI 101 images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 62 B

  • Original 30.3 kB
  • After minification 30.3 kB
  • After compression 30.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-28%

Potential reduce by 150 B

  • Original 530 B
  • After minification 530 B
  • After compression 380 B

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. Cgi101.com needs all CSS files to be minified and compressed as it can save up to 150 B or 28% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CGI 101. According to our analytics all requests are already optimized.

Network Requests Diagram

cgi101.com

cgi101.com

204 ms

www.cgi101.com

www.cgi101.com

91 ms

cgi101.css

cgi101.css

72 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

67 ms

rollovers.js

rollovers.js

82 ms

spotlight.jpg

spotlight.jpg

202 ms

bookCover.png

bookCover.png

60 ms

cgi101title.png

cgi101title.png

58 ms

contents.png

contents.png

76 ms

sampleChapters.png

sampleChapters.png

72 ms

reviews.png

reviews.png

75 ms

author.png

author.png

115 ms

getTheBook.png

getTheBook.png

116 ms

Accessibility Review

cgi101.com accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

cgi101.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cgi101.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cgi101.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cgi101.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cgi101.com

Open Graph description is not detected on the main page of CGI 101. 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: