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math.nist.gov screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

math.nist.gov

Mathematics, Statistics and Computational Science at NIST

Page Load Speed

344 ms in total

First Response

32 ms

Resources Loaded

234 ms

Page Rendered

78 ms

math.nist.gov screenshot

About Website

Visit math.nist.gov now to see the best up-to-date Math NIST content for United States and also check out these interesting facts you probably never knew about math.nist.gov

Gateway to organizations and services related to applied mathematics, statistics, and computational science at the National Institute of Standards and Technology (NIST).

Visit math.nist.gov

Key Findings

We analyzed Math.nist.gov page load time and found that the first response time was 32 ms and then it took 312 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

math.nist.gov performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

95/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

math.nist.gov

32 ms

Universal-Federated-Analytics-Min.js

9 ms

nistid.gif

12 ms

whale-icon.gif

23 ms

mm-icon.gif

26 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 63% of them (10 requests) were addressed to the original Math.nist.gov, 19% (3 requests) were made to Google-analytics.com and 13% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (102 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.2 kB (57%)

Content Size

110.0 kB

After Optimization

47.8 kB

  • HTML
  • JavaScript

In fact, the total size of Math.nist.gov main page is 110.0 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. Javascripts take 98.0 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.8 kB

  • Original 12.0 kB
  • After minification 9.9 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 2.0 kB, which is 17% 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 8.8 kB or 74% of the original size.

JavaScript Optimization

-54%

Potential reduce by 53.3 kB

  • Original 98.0 kB
  • After minification 98.0 kB
  • After compression 44.7 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 53.3 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (27%)

Requests Now

15

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Math NIST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

math.nist.gov

math.nist.gov

32 ms

Universal-Federated-Analytics-Min.js

Universal-Federated-Analytics-Min.js

9 ms

nistid.gif

nistid.gif

12 ms

whale-icon.gif

whale-icon.gif

23 ms

mm-icon.gif

mm-icon.gif

26 ms

stat-handbook.gif

stat-handbook.gif

26 ms

strd-icon.gif

strd-icon.gif

26 ms

java-icon.gif

java-icon.gif

25 ms

mcsd-icon.gif

mcsd-icon.gif

25 ms

sed-icon.gif

sed-icon.gif

31 ms

js

js

102 ms

analytics.js

analytics.js

25 ms

iframe_api

iframe_api

89 ms

collect

collect

16 ms

collect

collect

18 ms

www-widgetapi.js

www-widgetapi.js

6 ms

Accessibility Review

math.nist.gov accessibility score

100

Accessibility Issues

Best Practices

math.nist.gov best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

math.nist.gov SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Math.nist.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 Math.nist.gov main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

math.nist.gov

Open Graph description is not detected on the main page of Math NIST. 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: