Tools & Wizards About Us
stemworldschool.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

stemworldschool.com

Best International Day School In Kolkata, Barrackpore - STEM World School

Page Load Speed

7.9 sec in total

First Response

424 ms

Resources Loaded

7 sec

Page Rendered

501 ms

stemworldschool.com screenshot

About Website

Visit stemworldschool.com now to see the best up-to-date STEM World School content for India and also check out these interesting facts you probably never knew about stemworldschool.com

A highly acclaimed STEM based Best Innovative Emerging International day School at Barrackpore, Kolkata In West Bengal. Awarded as the 2nd Best International day School. for admissions Call us at +919...

Visit stemworldschool.com

Key Findings

We analyzed Stemworldschool.com page load time and found that the first response time was 424 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

stemworldschool.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

stemworldschool.com

424 ms

stemworldschool.com

992 ms

adsbygoogle.js

107 ms

slick-theme.css

791 ms

bootstrap.css

1164 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 69% of them (122 requests) were addressed to the original Stemworldschool.com, 7% (13 requests) were made to Fonts.gstatic.com and 4% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Stemworldschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 606.1 kB (18%)

Content Size

3.3 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stemworldschool.com main page is 3.3 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. Only a small number of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 247.7 kB

  • Original 270.0 kB
  • After minification 128.9 kB
  • After compression 22.3 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 141.1 kB, which is 52% 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 247.7 kB or 92% of the original size.

Image Optimization

-6%

Potential reduce by 122.2 kB

  • Original 1.9 MB
  • After minification 1.8 MB

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. STEM World School images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 227.8 kB

  • Original 935.0 kB
  • After minification 935.0 kB
  • After compression 707.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 227.8 kB or 24% of the original size.

CSS Optimization

-4%

Potential reduce by 8.4 kB

  • Original 200.8 kB
  • After minification 200.8 kB
  • After compression 192.4 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. Stemworldschool.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 73 (46%)

Requests Now

159

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 159 CSS, Javascripts, AJAX and image requests in order to completely render the main page of STEM World School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stemworldschool.com

stemworldschool.com

424 ms

stemworldschool.com

stemworldschool.com

992 ms

adsbygoogle.js

adsbygoogle.js

107 ms

slick-theme.css

slick-theme.css

791 ms

bootstrap.css

bootstrap.css

1164 ms

component.css

component.css

1350 ms

slick.css

slick.css

1349 ms

font-awesome.min.css

font-awesome.min.css

1351 ms

svg.css

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prettyPhoto.css

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widget.css

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typography.css

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settings.css

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slider-area.css

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1548 ms

animate.css

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color.css

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birthday.css

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1913 ms

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1915 ms

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71 ms

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554 ms

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62 ms

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19 ms

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slick.min.js

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27 ms

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jquery-transit-modified.js

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1198 ms

layerslider.transitions.js

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layerslider.kreaturamedia.jquery.js

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wow.min.js

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custom.js

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1361 ms

unitegallery.min.js

unitegallery.min.js

1545 ms

ug-theme-default.js

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icomoon.ttf

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62 ms

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63 ms

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63 ms

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173 ms

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80 ms

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5 ms

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43 ms

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57 ms

www-player.css

www-player.css

88 ms

www-embed-player.js

www-embed-player.js

103 ms

base.js

base.js

124 ms

ad_status.js

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161 ms

asmjs.js

asmjs.js

135 ms

xmnuRLFIB2aI6qbGS483SdTuOq1a1O-XNl-4_rBMxeo.js

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105 ms

embed.js

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68 ms

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1014 ms

july-2023.webp

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1688 ms

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1874 ms

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1512 ms

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2.jpg

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1167 ms

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1333 ms

1.jpg

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1521 ms

img-01.jpg

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1496 ms

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12 ms

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id

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52 ms

Create

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91 ms

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GenerateIT

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12 ms

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inject-v2.min.js

inject-v2.min.js

101 ms

anchor

anchor

89 ms

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js

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analytics.js

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81 ms

styles__ltr.css

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66 ms

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1292 ms

Episode%201.webp

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slider_1.jpg

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css

css

35 ms

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13 ms

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6 ms

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1244 ms

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log_event

21 ms

Accessibility Review

stemworldschool.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

stemworldschool.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

stemworldschool.com SEO score

46

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Stemworldschool.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 Stemworldschool.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

stemworldschool.com

Open Graph description is not detected on the main page of STEM World School. 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: