2 sec in total
207 ms
1.5 sec
353 ms
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.orgWe analyzed Rivercityscience.org page load time and found that the first response time was 207 ms and then it took 1.8 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.
rivercityscience.org performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value13.2 s
0/100
25%
Value9.5 s
12/100
10%
Value4,130 ms
1/100
30%
Value0.233
54/100
15%
Value20.2 s
2/100
10%
207 ms
31 ms
10 ms
14 ms
11 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 81% of them (39 requests) were addressed to the original Rivercityscience.org, 13% (6 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (334 ms) belongs to the original domain Rivercityscience.org.
Page size can be reduced by 789.4 kB (19%)
4.1 MB
3.4 MB
In fact, the total size of Rivercityscience.org main page is 4.1 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. 70% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.
Potential reduce by 38.3 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 5.2 kB, which is 11% 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 38.3 kB or 84% of the original size.
Potential reduce by 130.4 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.
Potential reduce by 400.3 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 400.3 kB or 78% of the original size.
Potential reduce by 220.5 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 220.5 kB or 85% of the original size.
Number of requests can be reduced by 19 (48%)
40
21
The browser has sent 40 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 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
rivercityscience.org
207 ms
foundation.min.css.php
31 ms
font-awesome.css
10 ms
general.css
14 ms
app.css
11 ms
options.css.php
27 ms
css
35 ms
jquery.js
25 ms
settings.css
11 ms
captions.css
17 ms
jquery.carouFredSel.min.js
20 ms
jquery.themepunch.plugins.min.js
18 ms
jquery.themepunch.revolution.min.js
20 ms
foundation.min.js
19 ms
modernizr.foundation.js
21 ms
jquery.tipsy.js
21 ms
jquery.touchSwipe.min.js
19 ms
jquery.titanlighbox.js
24 ms
jquery.waypoints.min.js
23 ms
jquery.backstretch.min.js
22 ms
jquery.sticky.js
23 ms
jquery.scripts.js
28 ms
bg01.png
117 ms
logo-blue.png
6 ms
future.jpg
50 ms
banner_rcsa.jpg
49 ms
aschool.png
18 ms
STEM.jpg
46 ms
carousel_arrows.png
6 ms
1.jpg
45 ms
2.jpg
44 ms
5.jpg
42 ms
rcsa_press.jpg
90 ms
icon_top.png
48 ms
timer.png
49 ms
loader.gif
49 ms
7XUFZ5tgS-tD6QamInJTcU3KvHLhcNjEHFQzwNtdMQY.ttf
10 ms
anMUvcNT0H1YN4FII8wpr93Z6MveExszb-iKWJY7ddA.ttf
15 ms
anMUvcNT0H1YN4FII8wpr3X8wLqJehFHYvczAG3afGw.ttf
26 ms
anMUvcNT0H1YN4FII8wpr4e2tK5W43RXgBRKkM4A5Qg.ttf
25 ms
anMUvcNT0H1YN4FII8wprzsSLeNQG2cy_mKit6iEdYs.ttf
25 ms
anMUvcNT0H1YN4FII8wpr7TM2ub1b0-XAnaFPbg2y34.ttf
25 ms
fontawesome-webfont.woff
4 ms
large_left.png
7 ms
large_right.png
5 ms
404-error
334 ms
404-error
284 ms
404-error
267 ms
rivercityscience.org accessibility score
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
<frame> or <iframe> elements do not have a title
rivercityscience.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
rivercityscience.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
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.
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: