Tools & Wizards About Us

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

chandoo.org

Welcome to Chandoo.org - Learn Excel, Charting Online

Page Load Speed

977 ms in total

First Response

191 ms

Resources Loaded

723 ms

Page Rendered

63 ms

About Website

Visit chandoo.org now to see the best up-to-date Chandoo content for India and also check out these interesting facts you probably never knew about chandoo.org

Learn Microsoft Excel and Charting online. Become awesome in Excel & your work. Dicuss your excel and spreadsheet problems in forums. Learn excel, charting, formulas, functions, dashboards, pivot tabl...

Visit chandoo.org

Key Findings

We analyzed Chandoo.org page load time and found that the first response time was 191 ms and then it took 786 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

chandoo.org performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

chandoo.org

191 ms

chandoo.org

340 ms

analytics.js

19 ms

chandoo-learn-excel-and-charting-logo.png

83 ms

collect

13 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 50% of them (3 requests) were addressed to the original Chandoo.org, 33% (2 requests) were made to Google-analytics.com and 17% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (340 ms) belongs to the original domain Chandoo.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.2 kB (18%)

Content Size

34.6 kB

After Optimization

28.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Chandoo.org main page is 34.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 21.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.7 kB

  • Original 8.6 kB
  • After minification 7.4 kB
  • After compression 2.9 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 1.2 kB, which is 14% 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 5.7 kB or 66% of the original size.

Image Optimization

-9%

Potential reduce by 458 B

  • Original 5.1 kB
  • After minification 4.6 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. Chandoo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • AJAX
  • Images
  • JavaScript

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chandoo. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

chandoo.org accessibility score

89

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

chandoo.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

chandoo.org SEO score

93

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chandoo.org 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 Chandoo.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 Chandoo. 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: