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stemundergrads.science.gov screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

stemundergrads.science.gov

Science.gov

Page Load Speed

1 sec in total

First Response

173 ms

Resources Loaded

756 ms

Page Rendered

110 ms

stemundergrads.science.gov screenshot

About Website

Visit stemundergrads.science.gov now to see the best up-to-date Stemundergrads Science content for India and also check out these interesting facts you probably never knew about stemundergrads.science.gov

Science.gov is a gateway to government science information provided by U.S. Government science agencies, including research and development results.

Visit stemundergrads.science.gov

Key Findings

We analyzed Stemundergrads.science.gov page load time and found that the first response time was 173 ms and then it took 866 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

stemundergrads.science.gov performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.21

59/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

stemundergrads.science.gov

173 ms

www.science.gov

173 ms

main.css

37 ms

js

61 ms

us_flag.png

38 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Stemundergrads.science.gov, 91% (21 requests) were made to Science.gov and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (254 ms) relates to the external source Science.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 26.9 kB (9%)

Content Size

315.8 kB

After Optimization

288.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Stemundergrads.science.gov main page is 315.8 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. 35% of websites need less resources to load. Images take 297.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.8 kB

  • Original 8.4 kB
  • After minification 8.0 kB
  • After compression 2.6 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 5.8 kB or 69% of the original size.

Image Optimization

-4%

Potential reduce by 13.3 kB

  • Original 297.4 kB
  • After minification 284.1 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. Stemundergrads Science images are well optimized though.

CSS Optimization

-78%

Potential reduce by 7.7 kB

  • Original 9.9 kB
  • After minification 7.2 kB
  • After compression 2.1 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. Stemundergrads.science.gov needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stemundergrads Science. According to our analytics all requests are already optimized.

Network Requests Diagram

stemundergrads.science.gov

stemundergrads.science.gov

173 ms

www.science.gov

www.science.gov

173 ms

main.css

main.css

37 ms

js

js

61 ms

us_flag.png

us_flag.png

38 ms

icon-dot-gov.png

icon-dot-gov.png

74 ms

icon-https.png

icon-https.png

106 ms

SciGov_logo.png

SciGov_logo.png

143 ms

SciGov_hero_1920-min.png

SciGov_hero_1920-min.png

254 ms

CENDI_logo.png

CENDI_logo.png

110 ms

USDA.png

USDA.png

115 ms

DOD.png

DOD.png

149 ms

DTIC.png

DTIC.png

145 ms

DOE.png

DOE.png

147 ms

DHS.png

DHS.png

155 ms

NASA.png

NASA.png

180 ms

NIST.png

NIST.png

181 ms

NIH.png

NIH.png

183 ms

NSF.png

NSF.png

228 ms

NTIS.png

NTIS.png

228 ms

DOT.png

DOT.png

229 ms

USGS.png

USGS.png

229 ms

Icon_Back_to_Top_Blue.png

Icon_Back_to_Top_Blue.png

229 ms

Accessibility Review

stemundergrads.science.gov accessibility score

100

Accessibility Issues

Best Practices

stemundergrads.science.gov best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

stemundergrads.science.gov SEO score

98

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

High

Tap targets are not sized appropriately

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 Stemundergrads.science.gov 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 Stemundergrads.science.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

stemundergrads.science.gov

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