Tools & Wizards About Us
kidsbiology.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

kidsbiology.com

Education.com | #1 Educational Site for Pre-K to 8th Grade

Page Load Speed

2 sec in total

First Response

145 ms

Resources Loaded

1.4 sec

Page Rendered

458 ms

kidsbiology.com screenshot

About Website

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

Get a learning boost with thousands of worksheets, games, lesson plans, and more from our library of printable and digital resources for preschool, kindergarten, and elementary learners.

Visit kidsbiology.com

Key Findings

We analyzed Kidsbiology.com page load time and found that the first response time was 145 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

kidsbiology.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value11,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

kidsbiology.com

145 ms

www.kidsbiology.com

217 ms

load.sumome.com

427 ms

swfobject_modified.js

98 ms

ga.js

29 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 63% of them (34 requests) were addressed to the original Kidsbiology.com, 20% (11 requests) were made to Kidsknowit.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (427 ms) relates to the external source Load.sumome.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.7 kB (31%)

Content Size

388.5 kB

After Optimization

269.8 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Kidsbiology.com main page is 388.5 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 216.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 32.4 kB

  • Original 37.9 kB
  • After minification 29.9 kB
  • After compression 5.5 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 7.9 kB, which is 21% 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 32.4 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 5.6 kB

  • Original 216.7 kB
  • After minification 211.1 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. Kidsbiology images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 80.6 kB

  • Original 133.9 kB
  • After minification 125.4 kB
  • After compression 53.3 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 80.6 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (63%)

Requests Now

51

After Optimization

19

  • AJAX
  • Images
  • JavaScript

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kidsbiology. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kidsbiology.com

kidsbiology.com

145 ms

www.kidsbiology.com

www.kidsbiology.com

217 ms

load.sumome.com

load.sumome.com

427 ms

swfobject_modified.js

swfobject_modified.js

98 ms

ga.js

ga.js

29 ms

__utm.gif

__utm.gif

12 ms

collect

collect

62 ms

w.js

w.js

62 ms

biology-bg.jpg

biology-bg.jpg

63 ms

get_flash_player.gif

get_flash_player.gif

60 ms

educational-songs.gif

educational-songs.gif

70 ms

kids-know-it-network.gif

kids-know-it-network.gif

67 ms

educational-websites-childr.gif

educational-websites-childr.gif

70 ms

kidsknowit-tiny-logo-educational-websites.png

kidsknowit-tiny-logo-educational-websites.png

68 ms

educational-materials-for-schools.png

educational-materials-for-schools.png

82 ms

educational-materials.png

educational-materials.png

81 ms

educational-materials-for-homeschoolers.png

educational-materials-for-homeschoolers.png

89 ms

educational-virtual-world.gif

educational-virtual-world.gif

129 ms

facebook.png

facebook.png

160 ms

twitter.png

twitter.png

158 ms

free-educational-posters-charts.png

free-educational-posters-charts.png

179 ms

science-bg.gif

science-bg.gif

45 ms

life-on-earth.jpg

life-on-earth.jpg

49 ms

biology-tl.gif

biology-tl.gif

80 ms

biology-t.gif

biology-t.gif

79 ms

biology-tr.gif

biology-tr.gif

80 ms

biology-l.gif

biology-l.gif

79 ms

kids-know-it-network.gif

kids-know-it-network.gif

80 ms

biology-for-kids-tl.gif

biology-for-kids-tl.gif

81 ms

biology-for-kids-t.gif

biology-for-kids-t.gif

105 ms

biology-for-kids-tr.gif

biology-for-kids-tr.gif

106 ms

biology-for-kids-l.gif

biology-for-kids-l.gif

104 ms

biology-for-children.jpg

biology-for-children.jpg

129 ms

cellular-biology-tl.gif

cellular-biology-tl.gif

106 ms

cellular-biology-t.gif

cellular-biology-t.gif

111 ms

cellular-biology-tr.gif

cellular-biology-tr.gif

130 ms

cellular-biology-l.gif

cellular-biology-l.gif

131 ms

featured-animal.gif

featured-animal.gif

130 ms

image.php

image.php

187 ms

cellular-biology-r.gif

cellular-biology-r.gif

142 ms

cellular-biology-bl.gif

cellular-biology-bl.gif

166 ms

cellular-biology-b.gif

cellular-biology-b.gif

170 ms

cellular-biology-br.gif

cellular-biology-br.gif

169 ms

biology-for-kids-r.gif

biology-for-kids-r.gif

170 ms

biology-for-kidsbll.gif

biology-for-kidsbll.gif

173 ms

biology-for-kids-b.gif

biology-for-kids-b.gif

197 ms

biology-for-kids-br.gif

biology-for-kids-br.gif

198 ms

biology-r.gif

biology-r.gif

198 ms

biology-bl.gif

biology-bl.gif

199 ms

biology-b.gif

biology-b.gif

204 ms

biology-br.gif

biology-br.gif

216 ms

clickstream.min.js

clickstream.min.js

15 ms

storage.luckyorange.net

storage.luckyorange.net

42 ms

settings.luckyorange.net

settings.luckyorange.net

14 ms

Accessibility Review

kidsbiology.com accessibility score

88

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

Best Practices

kidsbiology.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kidsbiology.com SEO score

79

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kidsbiology.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 Kidsbiology.com main page’s claimed encoding is windows-1252. 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

kidsbiology.com

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