Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

Page Load Speed

797 ms in total

First Response

62 ms

Resources Loaded

348 ms

Page Rendered

387 ms

ippex.pppl.gov screenshot

About Website

Click here to check amazing IPPEX Pppl content for United States. Otherwise, check out these important facts you probably never knew about ippex.pppl.gov

the interactive plasma physics education experience -- topics about physics ranging from electricity, magnetism, energy, and especially fusion & plasma physics. the first fully interactive www site fo...

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Key Findings

We analyzed Ippex.pppl.gov page load time and found that the first response time was 62 ms and then it took 735 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

ippex.pppl.gov performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value10,730 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value103.6 s

0/100

10%

Network Requests Diagram

ippex.pppl.gov

62 ms

default.css

71 ms

HS_TOP_100.gif

254 ms

ippexbkg1.gif

11 ms

ippexbk1.gif

27 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 92% of them (11 requests) were addressed to the original Ippex.pppl.gov, 8% (1 request) were made to Homeschool.com. The less responsive or slowest element that took the longest time to load (254 ms) relates to the external source Homeschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.8 kB (49%)

Content Size

32.3 kB

After Optimization

16.5 kB

In fact, the total size of Ippex.pppl.gov main page is 32.3 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. Only 10% of websites need less resources to load. HTML takes 18.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 15.7 kB

  • Original 18.8 kB
  • After minification 12.6 kB
  • After compression 3.1 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 33% 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 15.7 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 77 B

  • Original 13.5 kB
  • After minification 13.5 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. IPPEX Pppl images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IPPEX Pppl. According to our analytics all requests are already optimized.

Accessibility Review

ippex.pppl.gov accessibility score

66

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

High

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ippex.pppl.gov best practices score

69

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ippex.pppl.gov SEO score

58

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

Image elements do not have [alt] attributes

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 Ippex.pppl.gov 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 Ippex.pppl.gov 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 description is not detected on the main page of IPPEX Pppl. 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: