Tools & Wizards About Us
birdbrainscience.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

birdbrainscience.com

RocketLit ~ Learn Science and History and Drive Reading Growth

Page Load Speed

6.4 sec in total

First Response

80 ms

Resources Loaded

6 sec

Page Rendered

278 ms

birdbrainscience.com screenshot

About Website

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

RocketLit serves differentiated, standards-based science and history readings to students to save time lesson planning for teachers. Our leveled science and history articles allow all learners in a cl...

Visit birdbrainscience.com

Key Findings

We analyzed Birdbrainscience.com page load time and found that the first response time was 80 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

birdbrainscience.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

birdbrainscience.com

80 ms

www.rocketlit.com

166 ms

global.css

82 ms

flexboxgrid.min.css

86 ms

jquery-ui-1.8.6.custom.css

94 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Birdbrainscience.com, 81% (63 requests) were made to Rocketlit.com and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Rocketlit.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.4 kB (6%)

Content Size

3.3 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Birdbrainscience.com main page is 3.3 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. 30% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 63.7 kB

  • Original 80.3 kB
  • After minification 73.5 kB
  • After compression 16.6 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. 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 63.7 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 116.3 kB

  • Original 2.9 MB
  • After minification 2.8 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. Birdbrain Science images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 259.3 kB
  • After minification 259.3 kB
  • After compression 256.8 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 5.9 kB

  • Original 32.6 kB
  • After minification 32.6 kB
  • After compression 26.7 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. Birdbrainscience.com needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (41%)

Requests Now

71

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Birdbrain Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

birdbrainscience.com

birdbrainscience.com

80 ms

www.rocketlit.com

www.rocketlit.com

166 ms

global.css

global.css

82 ms

flexboxgrid.min.css

flexboxgrid.min.css

86 ms

jquery-ui-1.8.6.custom.css

jquery-ui-1.8.6.custom.css

94 ms

nv.d3.css

nv.d3.css

85 ms

birdbrainscience.css

birdbrainscience.css

92 ms

woodpecker.css

woodpecker.css

89 ms

gallery.css

gallery.css

151 ms

evolvecreate.slideshow-2.1.css

evolvecreate.slideshow-2.1.css

158 ms

app-2.0.css

app-2.0.css

153 ms

css

css

35 ms

penguin-2.8.css

penguin-2.8.css

167 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

202 ms

d3.min.js

d3.min.js

227 ms

nv.d3.min.js

nv.d3.min.js

273 ms

jquery-ui-1.12.1.min.js

jquery-ui-1.12.1.min.js

356 ms

deprecated.js

deprecated.js

226 ms

app-2.4.js

app-2.4.js

243 ms

appMessages.js

appMessages.js

271 ms

tour.js

tour.js

296 ms

gallery.js

gallery.js

301 ms

jquery.evolvecreate.slideshow-2.4.js

jquery.evolvecreate.slideshow-2.4.js

615 ms

responsive.css

responsive.css

342 ms

responsive.js

responsive.js

1616 ms

typed.min.js

typed.min.js

1625 ms

bounce-animations.css

bounce-animations.css

2623 ms

mixpanel-2-latest.min.js

mixpanel-2-latest.min.js

69 ms

fbevents.js

fbevents.js

16 ms

analytics.js

analytics.js

40 ms

badge_blue.png

badge_blue.png

25 ms

icon_navigation-hamburger.png

icon_navigation-hamburger.png

2042 ms

icon_navigation-close.png

icon_navigation-close.png

2043 ms

icon_rocketlit_twitter.png

icon_rocketlit_twitter.png

1067 ms

icon_rocketlit_facebook.png

icon_rocketlit_facebook.png

3008 ms

icon_rocketlit_pinterest.png

icon_rocketlit_pinterest.png

3012 ms

icon_rocketlit_you-tube.png

icon_rocketlit_you-tube.png

3016 ms

logo_rocketlit-icon.png

logo_rocketlit-icon.png

2092 ms

logo_rocketlit_alternate-dropshadow.png

logo_rocketlit_alternate-dropshadow.png

2125 ms

icon_stacked-books.png

icon_stacked-books.png

3021 ms

icon_owl-face.png

icon_owl-face.png

2191 ms

icon_checklist.png

icon_checklist.png

2200 ms

tablet-top_diagnostics.png

tablet-top_diagnostics.png

2388 ms

tablet-top_leveled.png

tablet-top_leveled.png

2414 ms

tablet-top_annotations.png

tablet-top_annotations.png

3176 ms

tablet-top_freeresponse.png

tablet-top_freeresponse.png

3101 ms

tablet-top_readspeaker.png

tablet-top_readspeaker.png

3110 ms

icon_speaker.png

icon_speaker.png

3113 ms

tablet-top_recent-scores_black.png

tablet-top_recent-scores_black.png

4179 ms

tablet-top_ngss-aligned.png

tablet-top_ngss-aligned.png

4205 ms

tablet-top_ngss-background.png

tablet-top_ngss-background.png

3346 ms

tablet-top_gradebook.png

tablet-top_gradebook.png

3213 ms

paper-top_earthquakes.png

paper-top_earthquakes.png

4211 ms

paper-top_gravity.png

paper-top_gravity.png

3419 ms

paper-top_food-chain.png

paper-top_food-chain.png

3478 ms

tablet-top_shareable-reports.png

tablet-top_shareable-reports.png

4126 ms

joanne-salustri.jpg

joanne-salustri.jpg

3496 ms

corbin-rice.jpg

corbin-rice.jpg

3578 ms

beth-donoghue.jpg

beth-donoghue.jpg

3592 ms

chad-ledune.jpg

chad-ledune.jpg

3653 ms

logo_kipp-bay-area.png

logo_kipp-bay-area.png

4033 ms

oak-grove-school-district.jpg

oak-grove-school-district.jpg

3725 ms

5999.js

5999.js

51 ms

logo_rocketship.png

logo_rocketship.png

3783 ms

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYkqUcKWmT.ttf

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYkqUcKWmT.ttf

30 ms

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYoKUcKWmT.ttf

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYoKUcKWmT.ttf

35 ms

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYdaIcKWmT.ttf

KFOOCniXp96a4Tc2DaTeuDAoKsE617JFc49knOIYdjTYdaIcKWmT.ttf

38 ms

js

js

47 ms

logo_kipp-houston.png

logo_kipp-houston.png

2883 ms

brendan-finch.jpg

brendan-finch.jpg

2953 ms

logo_forbes.png

logo_forbes.png

2974 ms

insight.min.js

insight.min.js

29 ms

logo_the-huffington-post.png

logo_the-huffington-post.png

2080 ms

logo_the-daily-dot.png

logo_the-daily-dot.png

3053 ms

teacher-blowing-book-into-rocket.jpg

teacher-blowing-book-into-rocket.jpg

2178 ms

-F6xfjBsISg9aMakPm3wpg.ttf

-F6xfjBsISg9aMakPm3wpg.ttf

38 ms

insight_tag_errors.gif

insight_tag_errors.gif

40 ms

gfet1g7x

gfet1g7x

44 ms

Accessibility Review

birdbrainscience.com accessibility score

84

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.

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

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

birdbrainscience.com best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

birdbrainscience.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

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

birdbrainscience.com

Open Graph description is not detected on the main page of Birdbrain Science. 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: