Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

blsdhaka.edu.bd

BIAM Laboratory School, Dhaka

Page Load Speed

5.8 sec in total

First Response

2 sec

Resources Loaded

3.2 sec

Page Rendered

641 ms

blsdhaka.edu.bd screenshot

About Website

Visit blsdhaka.edu.bd now to see the best up-to-date Bls Dhaka content for Bangladesh and also check out these interesting facts you probably never knew about blsdhaka.edu.bd

Welcome To BIAM Laboratory School Bangladesh has experienced a huge expansion in the number of educational institutions. Though there has been some visible improvement in the education sector, the to...

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Key Findings

We analyzed Blsdhaka.edu.bd page load time and found that the first response time was 2 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

blsdhaka.edu.bd performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,090 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.384

27/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

blsdhaka.edu.bd

1992 ms

css

16 ms

css

30 ms

recent_widget.css

158 ms

responsive-slider.css

166 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 86% of them (51 requests) were addressed to the original Blsdhaka.edu.bd, 3% (2 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Blsdhaka.edu.bd.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.2 kB (8%)

Content Size

1.8 MB

After Optimization

1.6 MB

In fact, the total size of Blsdhaka.edu.bd main page is 1.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 126.8 kB

  • Original 151.4 kB
  • After minification 148.2 kB
  • After compression 24.6 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 126.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 17.3 kB

  • Original 1.4 MB
  • After minification 1.4 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. Bls Dhaka images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.9 kB

  • Original 112.9 kB
  • After minification 112.9 kB
  • After compression 110.0 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

-2%

Potential reduce by 2.2 kB

  • Original 123.7 kB
  • After minification 123.3 kB
  • After compression 121.5 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. Blsdhaka.edu.bd has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (48%)

Requests Now

54

After Optimization

28

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bls Dhaka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

blsdhaka.edu.bd accessibility score

74

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

blsdhaka.edu.bd best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blsdhaka.edu.bd SEO score

74

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    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 Blsdhaka.edu.bd 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 Blsdhaka.edu.bd 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 data is detected on the main page of Bls Dhaka. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: