Tools & Wizards About Us
scienceandmath.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 66

    SEO

    Google-friendlier than
    26% of websites

scienceandmath.com

Math Tutor DVD - Online Math Help, Math Homework Help, Math Problems, Math Practice!

Page Load Speed

3.2 sec in total

First Response

85 ms

Resources Loaded

2.2 sec

Page Rendered

868 ms

scienceandmath.com screenshot

About Website

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

Math Tutor DVD provides math help online and on DVD in Basic Math, all levels of Algebra, Trig, Calculus, Probability, and Physics.

Visit scienceandmath.com

Key Findings

We analyzed Scienceandmath.com page load time and found that the first response time was 85 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

scienceandmath.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value7,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.736

6/100

15%

TTI (Time to Interactive)

Value33.1 s

0/100

10%

Network Requests Diagram

scienceandmath.com

85 ms

www.mathtutordvd.com

81 ms

bootstrap.min.css

98 ms

colorbox.css

122 ms

all.min.css

134 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Scienceandmath.com, 23% (24 requests) were made to Mathtutordvd.com and 16% (17 requests) were made to Cloud.membergate.com. The less responsive or slowest element that took the longest time to load (945 ms) relates to the external source Fonts.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.7 kB (7%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scienceandmath.com main page is 1.7 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 88.8 kB

  • Original 110.9 kB
  • After minification 108.4 kB
  • After compression 22.1 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. 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 88.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 20.9 kB

  • Original 1.0 MB
  • After minification 1.0 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. Scienceand Math images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 5.4 kB

  • Original 330.7 kB
  • After minification 330.7 kB
  • After compression 325.4 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

-1%

Potential reduce by 1.6 kB

  • Original 205.9 kB
  • After minification 205.9 kB
  • After compression 204.3 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. Scienceandmath.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 48 (52%)

Requests Now

92

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scienceand Math. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

scienceandmath.com

scienceandmath.com

85 ms

www.mathtutordvd.com

www.mathtutordvd.com

81 ms

bootstrap.min.css

bootstrap.min.css

98 ms

colorbox.css

colorbox.css

122 ms

all.min.css

all.min.css

134 ms

mgstyle.css

mgstyle.css

32 ms

style.css

style.css

77 ms

jquery.min.js

jquery.min.js

132 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

125 ms

latest.js

latest.js

110 ms

tp.widget.sync.bootstrap.min.js

tp.widget.sync.bootstrap.min.js

85 ms

jquery-ui.min.css

jquery-ui.min.css

128 ms

clumpcss.cfm

clumpcss.cfm

119 ms

live.js

live.js

209 ms

platform.js

platform.js

119 ms

live.js

live.js

428 ms

urchin.js

urchin.js

88 ms

common.js

common.js

89 ms

responsive.js

responsive.js

106 ms

tether.min.js

tether.min.js

193 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

199 ms

jquery.validate.min.js

jquery.validate.min.js

199 ms

jquery.unveil.js

jquery.unveil.js

202 ms

tfpop.js

tfpop.js

105 ms

overlib.js

overlib.js

202 ms

styleswitcher.js

styleswitcher.js

111 ms

jquery-ui.min.js

jquery-ui.min.js

202 ms

jquery-ui.touch-punch.min.js

jquery-ui.touch-punch.min.js

202 ms

larger.css

larger.css

83 ms

fbevents.js

fbevents.js

335 ms

sdk.js

sdk.js

393 ms

gtm.js

gtm.js

394 ms

portallogo.png

portallogo.png

293 ms

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portallogo.jpg

327 ms

portallogo720.png

portallogo720.png

292 ms

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portallogo720.jpg

324 ms

portallogo480.png

portallogo480.png

325 ms

portallogo480.jpg

portallogo480.jpg

325 ms

portallogo320.png

portallogo320.png

325 ms

portallogo320.jpg

portallogo320.jpg

325 ms

portallogo240.png

portallogo240.png

382 ms

portallogo240.jpg

portallogo240.jpg

382 ms

topnavback.jpg

topnavback.jpg

382 ms

dept90.jpg

dept90.jpg

386 ms

4844n.jpg

4844n.jpg

383 ms

transparentpixel.png

transparentpixel.png

381 ms

mathjax

mathjax

533 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

319 ms

css

css

409 ms

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314 ms

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421 ms

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421 ms

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418 ms

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419 ms

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418 ms

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750 ms

fa-regular-400.ttf

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916 ms

fa-light-300.ttf

fa-light-300.ttf

915 ms

fa-thin-100.ttf

fa-thin-100.ttf

944 ms

index.min.js

index.min.js

329 ms

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1326634303.js

439 ms

lhfRAkaE-qs

lhfRAkaE-qs

171 ms

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171 ms

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171 ms

botnavback.gif

botnavback.gif

152 ms

sdk.js

sdk.js

177 ms

__utm.gif

__utm.gif

325 ms

bat.js

bat.js

400 ms

lhfRAkaE-qs

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239 ms

dHuw3vVLI8U

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258 ms

y2SpAzn82qY

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257 ms

MathJax.js

MathJax.js

97 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

414 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

598 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

629 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

633 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

945 ms

527 ms

TeX-MML-AM_CHTML.js

TeX-MML-AM_CHTML.js

288 ms

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235 ms

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image.jpg

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493 ms

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483 ms

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470 ms

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471 ms

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471 ms

image.jpg

image.jpg

482 ms

www-player.css

www-player.css

51 ms

www-embed-player.js

www-embed-player.js

159 ms

base.js

base.js

482 ms

button.png

button.png

407 ms

displays.htm

displays.htm

920 ms

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4036787.js

252 ms

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718 ms

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718 ms

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715 ms

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220 ms

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535 ms

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534 ms

Accessibility Review

scienceandmath.com accessibility score

90

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

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

scienceandmath.com best practices score

75

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

High

Page has valid source maps

SEO Factors

scienceandmath.com SEO score

66

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

Page is blocked from indexing

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceandmath.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 Scienceandmath.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

scienceandmath.com

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