Tools & Wizards About Us
lusas.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

lusas.com

LUSAS Training Courses

Page Load Speed

2.1 sec in total

First Response

283 ms

Resources Loaded

1.5 sec

Page Rendered

329 ms

lusas.com screenshot

About Website

Visit lusas.com now to see the best up-to-date LUSAS content for Bangladesh and also check out these interesting facts you probably never knew about lusas.com

Visit lusas.com

Key Findings

We analyzed Lusas.com page load time and found that the first response time was 283 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

lusas.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

lusas.com

283 ms

www.lusas.com

317 ms

lusasStyle.css

156 ms

lusasMenus.css

233 ms

analytics.js

60 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 72% of them (28 requests) were addressed to the original Lusas.com, 8% (3 requests) were made to Google-analytics.com and 5% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (710 ms) belongs to the original domain Lusas.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.9 kB (27%)

Content Size

308.0 kB

After Optimization

224.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lusas.com main page is 308.0 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. Images take 198.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.2 kB

  • Original 39.3 kB
  • After minification 33.2 kB
  • After compression 7.1 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 6.1 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 32.2 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 16.7 kB

  • Original 198.8 kB
  • After minification 182.1 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. LUSAS images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 33.5 kB

  • Original 68.0 kB
  • After minification 68.0 kB
  • After compression 34.5 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 33.5 kB or 49% of the original size.

CSS Optimization

-78%

Potential reduce by 1.5 kB

  • Original 1.9 kB
  • After minification 1.0 kB
  • After compression 432 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. Lusas.com needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (24%)

Requests Now

34

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LUSAS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

lusas.com

lusas.com

283 ms

www.lusas.com

www.lusas.com

317 ms

lusasStyle.css

lusasStyle.css

156 ms

lusasMenus.css

lusasMenus.css

233 ms

analytics.js

analytics.js

60 ms

49 ms

lusas_eas_1024.png

lusas_eas_1024.png

156 ms

lift_off_slab_design_290_play.gif

lift_off_slab_design_290_play.gif

158 ms

ani_775x323_home_page.gif

ani_775x323_home_page.gif

710 ms

uk_30.gif

uk_30.gif

157 ms

us_30.gif

us_30.gif

158 ms

Australia_30.gif

Australia_30.gif

158 ms

croatia_40.gif

croatia_40.gif

233 ms

vert_line_home_page.gif

vert_line_home_page.gif

227 ms

sfobb_new_old_credit_caltrans_350.jpg

sfobb_new_old_credit_caltrans_350.jpg

386 ms

sfobb_left_anchor_span_results_350.jpg

sfobb_left_anchor_span_results_350.jpg

387 ms

cable_car_tower_Dsc_8059_350.jpg

cable_car_tower_Dsc_8059_350.jpg

306 ms

cable_home_page_model_350.jpg

cable_home_page_model_350.jpg

378 ms

australi.gif

australi.gif

304 ms

mexico_40.gif

mexico_40.gif

382 ms

blue_arrow.gif

blue_arrow.gif

383 ms

lusas_bridge_150.gif

lusas_bridge_150.gif

534 ms

lusas_civil_150.gif

lusas_civil_150.gif

537 ms

lusas_composite_150.gif

lusas_composite_150.gif

537 ms

lusas_hpm_150.gif

lusas_hpm_150.gif

538 ms

lusas_analyst_150.gif

lusas_analyst_150.gif

539 ms

lusas_academic_150.gif

lusas_academic_150.gif

690 ms

LinkedIn_IN_Icon_28px_grey.jpg

LinkedIn_IN_Icon_28px_grey.jpg

614 ms

v151_video_index_icon_125.gif

v151_video_index_icon_125.gif

693 ms

lusas_fea_150_white.gif

lusas_fea_150_white.gif

694 ms

counter.js

counter.js

22 ms

28 ms

collect

collect

15 ms

collect

collect

10 ms

t.php

t.php

61 ms

tracker.js

tracker.js

312 ms

collect

collect

60 ms

ga-audiences

ga-audiences

52 ms

134 ms

Accessibility Review

lusas.com accessibility score

61

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

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

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

lusas.com best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lusas.com SEO score

42

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lusas.com 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 Lusas.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

lusas.com

Open Graph description is not detected on the main page of LUSAS. 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: