Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

imageprocessingbasics.com

Image Processing Basics — Tutorials and Interactive Applets

Page Load Speed

2 sec in total

First Response

226 ms

Resources Loaded

1.6 sec

Page Rendered

107 ms

imageprocessingbasics.com screenshot

About Website

Visit imageprocessingbasics.com now to see the best up-to-date Image Processing Basics content for India and also check out these interesting facts you probably never knew about imageprocessingbasics.com

A collection of tutorials and interactive Java applets explaining basic digital image processing concepts.

Visit imageprocessingbasics.com

Key Findings

We analyzed Imageprocessingbasics.com page load time and found that the first response time was 226 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

imageprocessingbasics.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

imageprocessingbasics.com

226 ms

www.imageprocessingbasics.com

387 ms

style.css

440 ms

MathJax.js

651 ms

widgets.js

18 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 63% of them (10 requests) were addressed to the original Imageprocessingbasics.com, 25% (4 requests) were made to Platform.twitter.com and 13% (2 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (651 ms) belongs to the original domain Imageprocessingbasics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.3 kB (29%)

Content Size

34.8 kB

After Optimization

24.5 kB

In fact, the total size of Imageprocessingbasics.com main page is 34.8 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. Javascripts take 19.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.4 kB

  • Original 11.8 kB
  • After minification 11.1 kB
  • After compression 3.4 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. 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 8.4 kB or 71% of the original size.

Image Optimization

-12%

Potential reduce by 242 B

  • Original 2.1 kB
  • After minification 1.8 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, Image Processing Basics needs image optimization as it can save up to 242 B 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

-5%

Potential reduce by 1.0 kB

  • Original 19.3 kB
  • After minification 19.3 kB
  • After compression 18.3 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

-35%

Potential reduce by 556 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.0 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. Imageprocessingbasics.com needs all CSS files to be minified and compressed as it can save up to 556 B or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Image Processing Basics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

imageprocessingbasics.com accessibility score

80

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

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

imageprocessingbasics.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

imageprocessingbasics.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 Imageprocessingbasics.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 Imageprocessingbasics.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

Open Graph description is not detected on the main page of Image Processing Basics. 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: