Tools & Wizards About Us

Report Summary

  • 55

    Performance

    Renders faster than
    72% 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

  • 100

    SEO

    Google-friendlier than
    94% of websites

obesityresearch.nih.gov

Obesity Research at the National Institutes of Health (NIH)

Page Load Speed

1.1 sec in total

First Response

168 ms

Resources Loaded

789 ms

Page Rendered

174 ms

About Website

Welcome to obesityresearch.nih.gov homepage info - get ready to check Obesity Research NIH best content for China right away, or after learning these important things about obesityresearch.nih.gov

Information on NIH obesity research, including featured NIH funding opportunities, scientific meetings and workshops, and the NIH Strategic Plan for Obesity Research

Visit obesityresearch.nih.gov

Key Findings

We analyzed Obesityresearch.nih.gov page load time and found that the first response time was 168 ms and then it took 963 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

obesityresearch.nih.gov performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

www.obesityresearch.nih.gov

168 ms

VisitorIdentification.js

13 ms

obesity-web.css

20 ms

jquery.min.js

64 ms

jquery.scrolltabs.min.js

77 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 96% of them (26 requests) were addressed to the original Obesityresearch.nih.gov, 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (466 ms) belongs to the original domain Obesityresearch.nih.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.9 kB (12%)

Content Size

124.9 kB

After Optimization

110.0 kB

  • HTML
  • Images

In fact, the total size of Obesityresearch.nih.gov main page is 124.9 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. 25% of websites need less resources to load. Images take 105.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.9 kB

  • Original 19.8 kB
  • After minification 16.2 kB
  • After compression 4.8 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 3.6 kB, which is 18% 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 14.9 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 105.1 kB
  • After minification 105.1 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. Obesity Research NIH images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obesity Research NIH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

obesityresearch.nih.gov accessibility score

100

Accessibility Issues

Best Practices

obesityresearch.nih.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

obesityresearch.nih.gov 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 Obesityresearch.nih.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 Obesityresearch.nih.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 data is detected on the main page of Obesity Research NIH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: