Tools & Wizards About Us
stevenpinker.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

stevenpinker.com

Steven Pinker

Page Load Speed

654 ms in total

First Response

60 ms

Resources Loaded

261 ms

Page Rendered

333 ms

stevenpinker.com screenshot

About Website

Visit stevenpinker.com now to see the best up-to-date Steven Pinker content for United States and also check out these interesting facts you probably never knew about stevenpinker.com

Web site for Steven Pinker, Johnstone Professor of Psychology, Harvard University and author of books on language, mind, & human nature.

Visit stevenpinker.com

Key Findings

We analyzed Stevenpinker.com page load time and found that the first response time was 60 ms and then it took 594 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

stevenpinker.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value8.1 s

2/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

stevenpinker.com

60 ms

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14 ms

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16 ms

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32 ms

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19 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 35% of them (8 requests) were addressed to the original Stevenpinker.com, 57% (13 requests) were made to Static.scholar.harvard.edu and 4% (1 request) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (165 ms) relates to the external source Static.scholar.harvard.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.3 kB (65%)

Content Size

487.8 kB

After Optimization

168.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stevenpinker.com main page is 487.8 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. CSS take 210.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.2 kB

  • Original 37.3 kB
  • After minification 34.4 kB
  • After compression 9.1 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 28.2 kB or 76% of the original size.

Image Optimization

-15%

Potential reduce by 9.1 kB

  • Original 59.5 kB
  • After minification 50.4 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. Obviously, Steven Pinker needs image optimization as it can save up to 9.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 110.6 kB

  • Original 180.8 kB
  • After minification 173.9 kB
  • After compression 70.2 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 110.6 kB or 61% of the original size.

CSS Optimization

-82%

Potential reduce by 171.3 kB

  • Original 210.2 kB
  • After minification 203.5 kB
  • After compression 38.8 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. Stevenpinker.com needs all CSS files to be minified and compressed as it can save up to 171.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (55%)

Requests Now

22

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Steven Pinker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stevenpinker.com

stevenpinker.com

60 ms

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14 ms

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16 ms

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32 ms

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19 ms

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35 ms

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logo_sans.gif

70 ms

IIevX5rR_normal.jpeg

IIevX5rR_normal.jpeg

50 ms

respond.min.js

respond.min.js

66 ms

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70 ms

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68 ms

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92 ms

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68 ms

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91 ms

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91 ms

harvard-logo.png

harvard-logo.png

44 ms

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twitter.png

89 ms

facebook.png

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165 ms

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124 ms

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124 ms

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125 ms

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2 ms

ga.js

ga.js

75 ms

Accessibility Review

stevenpinker.com accessibility score

94

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.

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

<frame> or <iframe> elements do not have a title

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

stevenpinker.com best practices score

75

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

stevenpinker.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Stevenpinker.com 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 Stevenpinker.com 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

stevenpinker.com

Open Graph description is not detected on the main page of Steven Pinker. 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: