Tools & Wizards About Us
modelscience.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

modelscience.com

ChemLab A Virtual Chemistry Lab - Chemistry Lab Simulations - ChemLab by Model Science Software

Page Load Speed

891 ms in total

First Response

183 ms

Resources Loaded

606 ms

Page Rendered

102 ms

modelscience.com screenshot

About Website

Click here to check amazing Model Science content for United States. Otherwise, check out these important facts you probably never knew about modelscience.com

Model Science Software develops simulation software for education, including our chemistry lab simulation software, known as Model ChemLab, which can be used for distance learning over the Internet.

Visit modelscience.com

Key Findings

We analyzed Modelscience.com page load time and found that the first response time was 183 ms and then it took 708 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

modelscience.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

modelscience.com

183 ms

mss_style.css

62 ms

mss_v3.0_01.gif

27 ms

mss_v3.0_02.gif

29 ms

spacer.gif

51 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that all of those requests were addressed to Modelscience.com and no external sources were called. The less responsive or slowest element that took the longest time to load (203 ms) belongs to the original domain Modelscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.8 kB (39%)

Content Size

87.4 kB

After Optimization

53.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Modelscience.com main page is 87.4 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. 25% of websites need less resources to load. Images take 58.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 22.9 kB

  • Original 27.7 kB
  • After minification 24.3 kB
  • After compression 4.8 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 3.3 kB, which is 12% 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 22.9 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 10.2 kB

  • Original 58.8 kB
  • After minification 48.6 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. Obviously, Model Science needs image optimization as it can save up to 10.2 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-70%

Potential reduce by 664 B

  • Original 944 B
  • After minification 728 B
  • After compression 280 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. Modelscience.com needs all CSS files to be minified and compressed as it can save up to 664 B or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (18%)

Requests Now

65

After Optimization

53

  • Images
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Model Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

modelscience.com

modelscience.com

183 ms

mss_style.css

mss_style.css

62 ms

mss_v3.0_01.gif

mss_v3.0_01.gif

27 ms

mss_v3.0_02.gif

mss_v3.0_02.gif

29 ms

spacer.gif

spacer.gif

51 ms

mss_v3.0_03.gif

mss_v3.0_03.gif

53 ms

mss_v3.0_04.gif

mss_v3.0_04.gif

58 ms

mss_v3.0_05.gif

mss_v3.0_05.gif

60 ms

mss_v3.0_06.gif

mss_v3.0_06.gif

61 ms

mss_v3.0_08.gif

mss_v3.0_08.gif

60 ms

mss_v3.0_09.gif

mss_v3.0_09.gif

78 ms

mss_v3.0_10.gif

mss_v3.0_10.gif

79 ms

mss_v3.0_11.gif

mss_v3.0_11.gif

86 ms

mss_v3.0_12.gif

mss_v3.0_12.gif

119 ms

mss_v3.0_13.gif

mss_v3.0_13.gif

87 ms

mss_v3.0_14.gif

mss_v3.0_14.gif

88 ms

mss_v3.0_15.gif

mss_v3.0_15.gif

100 ms

mss_v3.0_16.gif

mss_v3.0_16.gif

100 ms

mss_v3.0_17.gif

mss_v3.0_17.gif

114 ms

mss_v3.0_18.gif

mss_v3.0_18.gif

117 ms

mss_v3.0_19.gif

mss_v3.0_19.gif

117 ms

mss_v3.0_20.gif

mss_v3.0_20.gif

125 ms

mss_v3.0_21.gif

mss_v3.0_21.gif

124 ms

mss_v3.0_22.gif

mss_v3.0_22.gif

141 ms

mss_v3.0_23.gif

mss_v3.0_23.gif

144 ms

mss_v3.0_24.gif

mss_v3.0_24.gif

146 ms

mss_v3.0_25.gif

mss_v3.0_25.gif

146 ms

mss_v3.0_26.gif

mss_v3.0_26.gif

150 ms

mss_v3.0_27.gif

mss_v3.0_27.gif

150 ms

mss_v3.0_28.gif

mss_v3.0_28.gif

177 ms

mss_v3.0_29.gif

mss_v3.0_29.gif

178 ms

mss_v3.0_30.gif

mss_v3.0_30.gif

180 ms

mss_v3.0_31.gif

mss_v3.0_31.gif

181 ms

mss_v3.0_32.gif

mss_v3.0_32.gif

179 ms

mss_v3.0_33.gif

mss_v3.0_33.gif

179 ms

mss_v3.0_34.gif

mss_v3.0_34.gif

198 ms

mss_v3.0_35.gif

mss_v3.0_35.gif

201 ms

mss_v3.0_36.gif

mss_v3.0_36.gif

198 ms

mss_v3.0_38.gif

mss_v3.0_38.gif

179 ms

mss_v3.0_39.gif

mss_v3.0_39.gif

182 ms

mss_v3.0_41.gif

mss_v3.0_41.gif

158 ms

1999_ZDnet_effect.gif

1999_ZDnet_effect.gif

180 ms

secure.gif

secure.gif

173 ms

google_plus.png

google_plus.png

169 ms

youtube.png

youtube.png

175 ms

twitter.png

twitter.png

178 ms

facebook.png

facebook.png

159 ms

email.png

email.png

174 ms

mss_v3.0_02p.png

mss_v3.0_02p.png

169 ms

mss_v3.0_04p.png

mss_v3.0_04p.png

171 ms

mss_v3.0_21p.png

mss_v3.0_21p.png

203 ms

mss_v3.0_13-over.gif

mss_v3.0_13-over.gif

26 ms

mss_v3.0_16-over.gif

mss_v3.0_16-over.gif

31 ms

mss_v3.0_19-over.gif

mss_v3.0_19-over.gif

31 ms

mss_v3.0_20-over.gif

mss_v3.0_20-over.gif

31 ms

mss_v3.0_21-over.gif

mss_v3.0_21-over.gif

30 ms

mss_v3.0_23-over.gif

mss_v3.0_23-over.gif

26 ms

mss_v3.0_24-over.gif

mss_v3.0_24-over.gif

51 ms

mss_v3.0_25-over.gif

mss_v3.0_25-over.gif

51 ms

mss_v3.0_26-over.gif

mss_v3.0_26-over.gif

58 ms

mss_v3.0_27-over.gif

mss_v3.0_27-over.gif

58 ms

mss_v3.0_28-over.gif

mss_v3.0_28-over.gif

58 ms

mss_v3.0_30-mss_v3.0_16_ove.gif

mss_v3.0_30-mss_v3.0_16_ove.gif

59 ms

mss_v3.0_31-over.gif

mss_v3.0_31-over.gif

75 ms

mss_v3.0_32-mss_v3.0_20_ove.gif

mss_v3.0_32-mss_v3.0_20_ove.gif

75 ms

mss_v3.0_33-mss_v3.0_31_ove.gif

mss_v3.0_33-mss_v3.0_31_ove.gif

86 ms

Accessibility Review

modelscience.com accessibility score

70

Accessibility Issues

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

Best Practices

modelscience.com best practices score

67

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

SEO Factors

modelscience.com SEO score

92

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Modelscience.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 Modelscience.com main page’s claimed encoding is iso-8859-1. 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

modelscience.com

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