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Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dev.perennialmath.com

PerennialMath | Math Competition & Contest For Grades 3-8

Page Load Speed

2 sec in total

First Response

30 ms

Resources Loaded

1.7 sec

Page Rendered

304 ms

dev.perennialmath.com screenshot

About Website

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

'PerennialMath' is an International Math Competition, for middle-high school students. Participate in Individual or League Math Competitions. Contact 1-888-835-2366

Visit dev.perennialmath.com

Key Findings

We analyzed Dev.perennialmath.com page load time and found that the first response time was 30 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dev.perennialmath.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value1,910 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.737

6/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

dev.perennialmath.com

30 ms

dev.perennialmath.com

157 ms

bootstrap.min.css

10 ms

font-awesome.min.css

30 ms

animate.min.css

32 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 46% of them (39 requests) were addressed to the original Dev.perennialmath.com, 14% (12 requests) were made to Embed.tawk.to and 7% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (606 ms) relates to the external source Analytics.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.8 kB (10%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dev.perennialmath.com main page is 2.6 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. 80% 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.6 kB

  • Original 54.7 kB
  • After minification 45.9 kB
  • After compression 12.1 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 8.8 kB, which is 16% 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 42.6 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 10.4 kB

  • Original 1.7 MB
  • After minification 1.7 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. Dev Perennial Math images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 200.4 kB

  • Original 707.7 kB
  • After minification 698.6 kB
  • After compression 507.3 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 200.4 kB or 28% of the original size.

CSS Optimization

-4%

Potential reduce by 4.4 kB

  • Original 122.6 kB
  • After minification 121.8 kB
  • After compression 118.1 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. Dev.perennialmath.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (68%)

Requests Now

75

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Perennial 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 40 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dev.perennialmath.com

dev.perennialmath.com

30 ms

dev.perennialmath.com

dev.perennialmath.com

157 ms

bootstrap.min.css

bootstrap.min.css

10 ms

font-awesome.min.css

font-awesome.min.css

30 ms

animate.min.css

animate.min.css

32 ms

AdminLTE.min.css

AdminLTE.min.css

35 ms

skin-blue.min.css

skin-blue.min.css

28 ms

_all-skins.min.css

_all-skins.min.css

27 ms

owl.carousel.css

owl.carousel.css

47 ms

owl.transitions.css

owl.transitions.css

48 ms

main.css

main.css

49 ms

custom.css

custom.css

53 ms

css

css

66 ms

js

js

319 ms

jquery.js

jquery.js

56 ms

bootstrap.min.js

bootstrap.min.js

54 ms

mousescroll.js

mousescroll.js

56 ms

smoothscroll.js

smoothscroll.js

55 ms

jquery.isotope.min.js

jquery.isotope.min.js

56 ms

jquery.validate.js

jquery.validate.js

55 ms

jquery.inview.min.js

jquery.inview.min.js

59 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

60 ms

wow.min.js

wow.min.js

56 ms

owl.carousel.min.js

owl.carousel.min.js

57 ms

main.js

main.js

58 ms

app.min.js

app.min.js

58 ms

conversion.js

conversion.js

256 ms

css

css

46 ms

uwt.js

uwt.js

276 ms

70cca0f8e9eae4cca841bf474.js

70cca0f8e9eae4cca841bf474.js

270 ms

logo.png

logo.png

161 ms

w2Q_IULL_SE

w2Q_IULL_SE

392 ms

all.js

all.js

154 ms

analytics.js

analytics.js

156 ms

fbevents.js

fbevents.js

183 ms

fbbtn.png

fbbtn.png

104 ms

googlebtn.png

googlebtn.png

103 ms

bullet.png

bullet.png

103 ms

bg.jpg

bg.jpg

104 ms

bg.jpg

bg.jpg

128 ms

NTQ3Nzk2.jpg

NTQ3Nzk2.jpg

104 ms

NTUxMDE4.jpg

NTUxMDE4.jpg

128 ms

MTQ2NzEz.jpg

MTQ2NzEz.jpg

128 ms

MTEyMzMx.jpg

MTEyMzMx.jpg

127 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

171 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

220 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

301 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

302 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

120 ms

120 ms

default

default

327 ms

bg1a.jpg

bg1a.jpg

98 ms

bg2.jpg

bg2.jpg

99 ms

bg3a.jpg

bg3a.jpg

142 ms

slider4.jpg

slider4.jpg

143 ms

embed.js

embed.js

129 ms

96 ms

all.js

all.js

89 ms

collect

collect

59 ms

adsct

adsct

269 ms

adsct

adsct

606 ms

www-player.css

www-player.css

101 ms

js

js

124 ms

www-embed-player.js

www-embed-player.js

120 ms

base.js

base.js

224 ms

520 ms

ad_status.js

ad_status.js

169 ms

zF_vPuIB9TmKXIhqGvs4Q-1RpaRIMS8epygYjX9fevg.js

zF_vPuIB9TmKXIhqGvs4Q-1RpaRIMS8epygYjX9fevg.js

101 ms

embed.js

embed.js

31 ms

id

id

23 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

200 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

200 ms

Create

Create

47 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

187 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

188 ms

twk-event-polyfill.js

twk-event-polyfill.js

202 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

187 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

186 ms

twk-main.js

twk-main.js

113 ms

twk-vendor.js

twk-vendor.js

113 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

114 ms

twk-chunk-common.js

twk-chunk-common.js

130 ms

twk-runtime.js

twk-runtime.js

137 ms

twk-app.js

twk-app.js

186 ms

GenerateIT

GenerateIT

62 ms

Accessibility Review

dev.perennialmath.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dev.perennialmath.com best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dev.perennialmath.com SEO score

91

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

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 Dev.perennialmath.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 Dev.perennialmath.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

dev.perennialmath.com

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