Tools & Wizards About Us
rivercityscience.org screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rivercityscience.org

HOME

Page Load Speed

4.1 sec in total

First Response

121 ms

Resources Loaded

3 sec

Page Rendered

932 ms

rivercityscience.org screenshot

About Website

Click here to check amazing Rivercityscience content for United States. Otherwise, check out these important facts you probably never knew about rivercityscience.org

River City Science Academy

Visit rivercityscience.org

Key Findings

We analyzed Rivercityscience.org page load time and found that the first response time was 121 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rivercityscience.org performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.3 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value10,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value40.0 s

0/100

10%

Network Requests Diagram

rivercityscience.org

121 ms

www.rivercityscience.org

628 ms

animate.min.css

268 ms

sppagebuilder.css

312 ms

slider-pro.css

165 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 59% of them (57 requests) were addressed to the original Rivercityscience.org, 22% (21 requests) were made to Fonts.gstatic.com and 9% (9 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Snazzymaps.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (69%)

Content Size

2.5 MB

After Optimization

793.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rivercityscience.org main page is 2.5 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. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 262.1 kB

  • Original 283.1 kB
  • After minification 277.0 kB
  • After compression 21.1 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 262.1 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 140.4 kB
  • After minification 140.4 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. Rivercityscience images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 722.0 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 450.3 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 722.0 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 749.6 kB

  • Original 931.0 kB
  • After minification 855.9 kB
  • After compression 181.4 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. Rivercityscience.org needs all CSS files to be minified and compressed as it can save up to 749.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (49%)

Requests Now

69

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rivercityscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rivercityscience.org

rivercityscience.org

121 ms

www.rivercityscience.org

www.rivercityscience.org

628 ms

animate.min.css

animate.min.css

268 ms

sppagebuilder.css

sppagebuilder.css

312 ms

slider-pro.css

slider-pro.css

165 ms

style4.css

style4.css

166 ms

magnific-popup.css

magnific-popup.css

173 ms

slick.css

slick.css

227 ms

css

css

31 ms

css

css

76 ms

bootstrap.min.css

bootstrap.min.css

375 ms

font-awesome.min.css

font-awesome.min.css

283 ms

legacy.css

legacy.css

338 ms

template.css

template.css

478 ms

preset7.css

preset7.css

397 ms

pagebuilder.css

pagebuilder.css

358 ms

rssocial.css

rssocial.css

373 ms

rssocial-anim.css

rssocial-anim.css

400 ms

rssocial-font.css

rssocial-font.css

422 ms

css

css

48 ms

frontend.css

frontend.css

436 ms

jquery.min.js

jquery.min.js

237 ms

main.js

main.js

320 ms

196896aff37ebf5f357fced0c80c78ca.js

196896aff37ebf5f357fced0c80c78ca.js

463 ms

jquery.parallax-1.1.3.js

jquery.parallax-1.1.3.js

318 ms

sppagebuilder.js

sppagebuilder.js

319 ms

rssocial.js

rssocial.js

318 ms

core.js

core.js

340 ms

frontend.js

frontend.js

446 ms

Logoffl.png

Logoffl.png

316 ms

email.png

email.png

316 ms

logo-rcsa2022.png

logo-rcsa2022.png

316 ms

logo-rcsa2022.png

logo-rcsa2022.png

315 ms

blank.gif

blank.gif

315 ms

southeast-rcsa.jpg

southeast-rcsa.jpg

314 ms

middlehigh-rcsa.jpg

middlehigh-rcsa.jpg

407 ms

elementary-rcsa.jpg

elementary-rcsa.jpg

406 ms

mandarin-rcsa.jpg

mandarin-rcsa.jpg

570 ms

baymeadows-rcsa.jpg

baymeadows-rcsa.jpg

570 ms

introcoastal-rcsa.jpg

introcoastal-rcsa.jpg

411 ms

rcsai-video.jpg

rcsai-video.jpg

569 ms

rcsas-video.jpg

rcsas-video.jpg

863 ms

rcsaconnect-mobile.png

rcsaconnect-mobile.png

944 ms

southeast-rcsa23.jpg

southeast-rcsa23.jpg

865 ms

SuvHCBItVTU

SuvHCBItVTU

379 ms

48yDikQFjb0

48yDikQFjb0

390 ms

Nm9Bg333-_o

Nm9Bg333-_o

368 ms

bgdYzRELfic

bgdYzRELfic

383 ms

467106

467106

1256 ms

section-background-stripes.svg

section-background-stripes.svg

654 ms

3schools-5stars-36bbd258b7_2340x850.jpg

3schools-5stars-36bbd258b7_2340x850.jpg

838 ms

EXCELLENCE-36bbd258b7_2340x850.jpg

EXCELLENCE-36bbd258b7_2340x850.jpg

839 ms

main-RCSA-International-Fest-36bbd258b7_2340x850.jpg

main-RCSA-International-Fest-36bbd258b7_2340x850.jpg

838 ms

dcps-logo.png

dcps-logo.png

659 ms

sacs-logo.png

sacs-logo.png

836 ms

prep.png

prep.png

836 ms

j-chamber-logo.png

j-chamber-logo.png

836 ms

college-board-logo.png

college-board-logo.png

1016 ms

duke-logo.png

duke-logo.png

1016 ms

fde-logo.png

fde-logo.png

1017 ms

charter-logo.png

charter-logo.png

1016 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQ.woff

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQ.woff

70 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVQ.woff

104 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQ.woff

107 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVQ.woff

108 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1003 ms

Pe-icon-7-stroke.woff

Pe-icon-7-stroke.woff

1001 ms

rssocial-font.woff

rssocial-font.woff

1172 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrc.woff

105 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrc.woff

105 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVuEorCIPrc.woff

103 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtaorCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtaorCIPrc.woff

111 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvao7CIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvao7CIPrc.woff

110 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpbCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVsEpbCIPrc.woff

114 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrc.woff

111 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapbCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapbCIPrc.woff

112 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtzpbCIPrc.woff

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtzpbCIPrc.woff

112 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exg.woff

116 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWV4exg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk5hkWV4exg.woff

117 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exg.woff

117 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exg.woff

117 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk0ZjWV4exg.woff

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk0ZjWV4exg.woff

118 ms

apicon.woff

apicon.woff

1169 ms

www-player.css

www-player.css

85 ms

www-embed-player.js

www-embed-player.js

116 ms

base.js

base.js

163 ms

ad_status.js

ad_status.js

375 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

427 ms

embed.js

embed.js

190 ms

css

css

79 ms

js

js

362 ms

id

id

276 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

135 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

133 ms

iframe_api

iframe_api

81 ms

Accessibility Review

rivercityscience.org accessibility score

94

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

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

High

Links do not have a discernible name

Best Practices

rivercityscience.org best practices score

67

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

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

rivercityscience.org SEO score

92

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

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

    EN

  • Encoding

    UTF-8

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

rivercityscience.org

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