Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

iowastem.org

Iowa STEM | Department of Education

Page Load Speed

3.1 sec in total

First Response

486 ms

Resources Loaded

2.3 sec

Page Rendered

345 ms

About Website

Visit iowastem.org now to see the best up-to-date Iowa STEM content for United States and also check out these interesting facts you probably never knew about iowastem.org

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Visit iowastem.org

Key Findings

We analyzed Iowastem.org page load time and found that the first response time was 486 ms and then it took 2.6 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

iowastem.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

iowa-stem

486 ms

iowa-stem

144 ms

gtm.js

54 ms

css_ZLU9vjcan8hMgOlZcfdSYnxaXT4xTi8rek5vUs6yraY.css

123 ms

all.min.css

50 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Iowastem.org, 15% (6 requests) were made to Youtube.com and 13% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (486 ms) relates to the external source Educate.iowa.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.7 kB (34%)

Content Size

785.8 kB

After Optimization

520.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iowastem.org main page is 785.8 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. 40% of websites need less resources to load. Javascripts take 448.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 149.2 kB

  • Original 189.3 kB
  • After minification 171.4 kB
  • After compression 40.1 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 149.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.6 kB
  • After minification 1.6 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. Iowa STEM images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 90.7 kB

  • Original 448.4 kB
  • After minification 448.4 kB
  • After compression 357.7 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 90.7 kB or 20% of the original size.

CSS Optimization

-18%

Potential reduce by 25.8 kB

  • Original 146.6 kB
  • After minification 146.4 kB
  • After compression 120.8 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. Iowastem.org needs all CSS files to be minified and compressed as it can save up to 25.8 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (54%)

Requests Now

35

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iowa STEM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

iowastem.org accessibility score

100

Accessibility Issues

Best Practices

iowastem.org best practices score

92

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

iowastem.org SEO score

100

Search Engine Optimization Advices

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 Iowastem.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 Iowastem.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

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