Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

classvio.com

Live Online Classes for Indian Classical Music, Chess & Coding Class

Page Load Speed

16.8 sec in total

First Response

1.2 sec

Resources Loaded

15.2 sec

Page Rendered

452 ms

About Website

Visit classvio.com now to see the best up-to-date Class Vio content and also check out these interesting facts you probably never knew about classvio.com

Classvio is an online platform offering live classes for Indian Classical Music, Chess training, Coding courses, Language class, and Online Tuition for people around the world.

Visit classvio.com

Key Findings

We analyzed Classvio.com page load time and found that the first response time was 1.2 sec and then it took 15.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

classvio.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value20.0 s

0/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

classvio.com

1160 ms

www.classvio.com

1156 ms

jquerysctipttop.css

1137 ms

jquery.min.js

1654 ms

vendor.min.css

2174 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 84% of them (48 requests) were addressed to the original Classvio.com, 5% (3 requests) were made to Hn.inspectlet.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Classvio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.3 kB (18%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Classvio.com main page is 1.5 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. 35% of websites need less resources to load. Images take 676.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 69.5 kB

  • Original 77.8 kB
  • After minification 66.1 kB
  • After compression 8.4 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 11.7 kB, which is 15% 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 69.5 kB or 89% of the original size.

Image Optimization

-4%

Potential reduce by 26.1 kB

  • Original 676.1 kB
  • After minification 650.0 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. Class Vio images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 29.7 kB

  • Original 462.8 kB
  • After minification 462.2 kB
  • After compression 433.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-54%

Potential reduce by 134.0 kB

  • Original 248.4 kB
  • After minification 115.0 kB
  • After compression 114.4 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. Classvio.com needs all CSS files to be minified and compressed as it can save up to 134.0 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (47%)

Requests Now

51

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Class Vio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

classvio.com accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

classvio.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

High

Page has valid source maps

SEO Factors

classvio.com SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Classvio.com 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 Classvio.com 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 Class Vio. 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: