Tools & Wizards About Us

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kvsrokolkata.in

केन्द्रीय विद्यालय संगठन क्षेत्रीय | केवीएस आरओ कोलकाता | भारत

Page Load Speed

3.6 sec in total

First Response

459 ms

Resources Loaded

2.6 sec

Page Rendered

624 ms

About Website

Welcome to kvsrokolkata.in homepage info - get ready to check Kvsrokolkata best content right away, or after learning these important things about kvsrokolkata.in

केवीएस आरओ कोलकाता

Visit kvsrokolkata.in

Key Findings

We analyzed Kvsrokolkata.in page load time and found that the first response time was 459 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

kvsrokolkata.in performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

ww38.kvsrokolkata.in

459 ms

caf.js

47 ms

style.css

32 ms

style.css

34 ms

css

33 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kvsrokolkata.in, 21% (3 requests) were made to Google.com and 14% (2 requests) were made to Afs.googleusercontent.com. The less responsive or slowest element that took the longest time to load (543 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.1 kB (13%)

Content Size

149.5 kB

After Optimization

130.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kvsrokolkata.in main page is 149.5 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 118.6 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 12.4 kB

  • Original 18.6 kB
  • After minification 18.4 kB
  • After compression 6.2 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 12.4 kB or 67% of the original size.

Image Optimization

-2%

Potential reduce by 239 B

  • Original 11.4 kB
  • After minification 11.1 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. Kvsrokolkata images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 6.3 kB

  • Original 118.6 kB
  • After minification 116.3 kB
  • After compression 112.3 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

-18%

Potential reduce by 176 B

  • Original 991 B
  • After minification 991 B
  • After compression 815 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. Kvsrokolkata.in needs all CSS files to be minified and compressed as it can save up to 176 B or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (33%)

Requests Now

12

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kvsrokolkata. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kvsrokolkata.in accessibility score

63

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.

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

<frame> or <iframe> elements do not have a title

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kvsrokolkata.in 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

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

kvsrokolkata.in SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kvsrokolkata.in can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Kvsrokolkata.in 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 Kvsrokolkata. 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: