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terc.edu screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

terc.edu

TERC - Innovative Solutions for STEM Education | Because math and science build futures

Page Load Speed

2.7 sec in total

First Response

35 ms

Resources Loaded

2.3 sec

Page Rendered

427 ms

terc.edu screenshot

About Website

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

TERC is a non-profit organization comprised of math, science education and research experts dedicated to advancing STEM learning for all through creative problem-solving and innovative solutions.

Visit terc.edu

Key Findings

We analyzed Terc.edu page load time and found that the first response time was 35 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

terc.edu performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value4,200 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value29.3 s

0/100

10%

Network Requests Diagram

www.terc.edu

35 ms

e656d71fc1.js

116 ms

font-awesome.min.css

83 ms

bootstrap.min.css

92 ms

css

90 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 50% of them (58 requests) were addressed to the original Terc.edu, 12% (14 requests) were made to Fonts.gstatic.com and 5% (6 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Via.placeholder.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.4 kB (13%)

Content Size

2.9 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Terc.edu main page is 2.9 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 114.1 kB

  • Original 139.8 kB
  • After minification 137.0 kB
  • After compression 25.7 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 114.1 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 160.2 kB

  • Original 1.8 MB
  • After minification 1.6 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. TERC images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 64.1 kB

  • Original 738.4 kB
  • After minification 736.6 kB
  • After compression 674.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-18%

Potential reduce by 47.0 kB

  • Original 257.8 kB
  • After minification 249.7 kB
  • After compression 210.8 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. Terc.edu needs all CSS files to be minified and compressed as it can save up to 47.0 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 69 (76%)

Requests Now

91

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TERC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.terc.edu

www.terc.edu

35 ms

e656d71fc1.js

e656d71fc1.js

116 ms

font-awesome.min.css

font-awesome.min.css

83 ms

bootstrap.min.css

bootstrap.min.css

92 ms

css

css

90 ms

css

css

99 ms

ijk6fhx.css

ijk6fhx.css

89 ms

style.css

style.css

14 ms

animate.css

animate.css

44 ms

shortcodes.css

shortcodes.css

63 ms

move_1_columns_6.css

move_1_columns_6.css

62 ms

style.min.css

style.min.css

69 ms

mu-style.css

mu-style.css

69 ms

slick.css

slick.css

77 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

76 ms

font-awesome.min.css

font-awesome.min.css

79 ms

magnific-popup.css

magnific-popup.css

78 ms

wp-carousel-pro-public.css

wp-carousel-pro-public.css

80 ms

pagenavi-css.css

pagenavi-css.css

80 ms

search-filter.min.css

search-filter.min.css

84 ms

dashicons.min.css

dashicons.min.css

87 ms

display-opinions-light.css

display-opinions-light.css

86 ms

font-awesome.min.css

font-awesome.min.css

84 ms

pum-site.min.css

pum-site.min.css

86 ms

css

css

99 ms

button-styles.css

button-styles.css

86 ms

css

css

98 ms

sharethis.js

sharethis.js

81 ms

jquery.min.js

jquery.min.js

91 ms

jquery-migrate.min.js

jquery-migrate.min.js

88 ms

wonderplugingallery.js

wonderplugingallery.js

97 ms

search-filter-build.min.js

search-filter-build.min.js

88 ms

chosen.jquery.min.js

chosen.jquery.min.js

89 ms

underscore.min.js

underscore.min.js

88 ms

backbone.min.js

backbone.min.js

91 ms

front-end-deps.js

front-end-deps.js

96 ms

front-end.js

front-end.js

96 ms

js

js

125 ms

easy-columns.css

easy-columns.css

96 ms

signup-form-widget.min.js

signup-form-widget.min.js

95 ms

js.cookie.min.js

js.cookie.min.js

78 ms

7198293.js

7198293.js

141 ms

core.min.js

core.min.js

95 ms

datepicker.min.js

datepicker.min.js

95 ms

api.js

api.js

95 ms

site.min.js

site.min.js

98 ms

fd.js

fd.js

97 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

94 ms

touchSwipe.min.js

touchSwipe.min.js

98 ms

bootstrap_carousel_types.min.js

bootstrap_carousel_types.min.js

97 ms

twitter.min.js

twitter.min.js

95 ms

js.cookie.min.js

js.cookie.min.js

83 ms

nav-menu-clickable.min.js

nav-menu-clickable.min.js

93 ms

logo-scroll.min.js

logo-scroll.min.js

94 ms

p.css

p.css

23 ms

style.min.css

style.min.css

8 ms

dashicons.min.css

dashicons.min.css

8 ms

font-awesome.min.css

font-awesome.min.css

4 ms

fbevents.js

fbevents.js

194 ms

lXlx98b2Kmo

lXlx98b2Kmo

286 ms

400x300

400x300

1965 ms

recaptcha__en.js

recaptcha__en.js

338 ms

terc-logo-with-tagline.png

terc-logo-with-tagline.png

158 ms

comment-alt-lines-regular.jpg

comment-alt-lines-regular.jpg

186 ms

home_slides_bubbles.jpg

home_slides_bubbles.jpg

266 ms

home_slides-3dprinter.jpg

home_slides-3dprinter.jpg

266 ms

home_slides_signingapp.jpg

home_slides_signingapp.jpg

213 ms

home_slides_adulted.jpg

home_slides_adulted.jpg

234 ms

newsletter-cta-green-bg.png

newsletter-cta-green-bg.png

265 ms

white-dots.png

white-dots.png

253 ms

Jodis-book.jpg

Jodis-book.jpg

264 ms

chevron-white-left.png

chevron-white-left.png

264 ms

chevron-white-right.png

chevron-white-right.png

279 ms

newsletter-cta-graphic.png

newsletter-cta-graphic.png

299 ms

testimonial_1_terc_partner.jpg

testimonial_1_terc_partner.jpg

279 ms

terc_logo_white.png

terc_logo_white.png

279 ms

signup-form-widget.css

signup-form-widget.css

138 ms

15ba13cbcaa39e3b19fb95c8211cc775.json

15ba13cbcaa39e3b19fb95c8211cc775.json

269 ms

collectedforms.js

collectedforms.js

268 ms

fb.js

fb.js

264 ms

leadflows.js

leadflows.js

263 ms

banner.js

banner.js

248 ms

7198293.js

7198293.js

372 ms

jizDREVNn1dOx-zrZ2X3pZvkTiUf2zI.ttf

jizDREVNn1dOx-zrZ2X3pZvkTiUf2zI.ttf

169 ms

jizAREVNn1dOx-zrZ2X3pZvkTi3s-CI0q14.ttf

jizAREVNn1dOx-zrZ2X3pZvkTi3s-CI0q14.ttf

278 ms

jizAREVNn1dOx-zrZ2X3pZvkTi20-SI0q14.ttf

jizAREVNn1dOx-zrZ2X3pZvkTi20-SI0q14.ttf

282 ms

jizAREVNn1dOx-zrZ2X3pZvkTi3Q-iI0q14.ttf

jizAREVNn1dOx-zrZ2X3pZvkTi3Q-iI0q14.ttf

581 ms

jizAREVNn1dOx-zrZ2X3pZvkTi3A_yI0q14.ttf

jizAREVNn1dOx-zrZ2X3pZvkTi3A_yI0q14.ttf

291 ms

d

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86 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

289 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

290 ms

d

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152 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

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290 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

290 ms

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169 ms

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131 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

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294 ms

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131 ms

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295 ms

jizBREVNn1dOx-zrZ2X3pZvkTiUa6zUTiw.ttf

jizBREVNn1dOx-zrZ2X3pZvkTiUa6zUTiw.ttf

447 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

130 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

173 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

169 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

111 ms

www-player.css

www-player.css

38 ms

www-embed-player.js

www-embed-player.js

143 ms

base.js

base.js

200 ms

ad_status.js

ad_status.js

169 ms

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

89 ms

embed.js

embed.js

44 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

33 ms

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KFOlCnqEu92Fr1MmEU9fBBc9.ttf

34 ms

id

id

130 ms

Create

Create

123 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

terc.edu accessibility score

86

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

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

terc.edu 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

Page has valid source maps

SEO Factors

terc.edu SEO score

90

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

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 Terc.edu 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 Terc.edu 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

terc.edu

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