Tools & Wizards About Us
labster.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

labster.com

Labster | Virtual Labs for Universities and High Schools

Page Load Speed

5.6 sec in total

First Response

9 ms

Resources Loaded

2.8 sec

Page Rendered

2.8 sec

labster.com screenshot

About Website

Welcome to labster.com homepage info - get ready to check Labster best content for United States right away, or after learning these important things about labster.com

Labster empowers educators to reimagine their science courses with immersive online simulations. Request a demo to discover how Labster engages students, trains lab skills, and accelerates learning.

Visit labster.com

Key Findings

We analyzed Labster.com page load time and found that the first response time was 9 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

labster.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

labster.com

9 ms

labster.com

36 ms

www.labster.com

2152 ms

labster.5579147d6.min.css

103 ms

webfont.js

78 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Labster.com, 61% (36 requests) were made to Cdn.prod.website-files.com and 14% (8 requests) were made to Assets.website-files.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Labster.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.3 kB (7%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Labster.com main page is 1.2 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. 70% of websites need less resources to load. Images take 552.0 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 84.7 kB

  • Original 90.3 kB
  • After minification 16.1 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 74.2 kB, which is 82% 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 84.7 kB or 94% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 552.0 kB
  • After minification 552.0 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. Labster images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 603 B

  • Original 461.2 kB
  • After minification 461.2 kB
  • After compression 460.6 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

-0%

Potential reduce by 0 B

  • Original 66.1 kB
  • After minification 66.1 kB
  • After compression 66.1 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. Labster.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (41%)

Requests Now

46

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Labster. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

labster.com

labster.com

9 ms

labster.com

labster.com

36 ms

www.labster.com

www.labster.com

2152 ms

labster.5579147d6.min.css

labster.5579147d6.min.css

103 ms

webfont.js

webfont.js

78 ms

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210 ms

swiper-bundle.min.css

swiper-bundle.min.css

89 ms

jquery-3.5.1.min.dc5e7f18c8.js

jquery-3.5.1.min.dc5e7f18c8.js

80 ms

labster.172636a4c.js

labster.172636a4c.js

132 ms

swiper-bundle.min.js

swiper-bundle.min.js

84 ms

loader.js

loader.js

78 ms

cardreadmore.min.js

cardreadmore.min.js

357 ms

css

css

80 ms

render.d205141041c92a4f8ea5.js

render.d205141041c92a4f8ea5.js

191 ms

jetboost.js

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212 ms

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210 ms

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221 ms

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1 ms

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35 ms

Accessibility Review

labster.com accessibility score

98

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.

Best Practices

labster.com 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

labster.com SEO score

100

Search Engine Optimization Advices

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

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 Labster.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 Labster.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

labster.com

Open Graph data is detected on the main page of Labster. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: