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16thletter.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

16thletter.com

Sixteenth Letter - Thoughts on how the Internet intersects with work, life & play

Page Load Speed

2.8 sec in total

First Response

561 ms

Resources Loaded

1.1 sec

Page Rendered

1.2 sec

16thletter.com screenshot

About Website

Welcome to 16thletter.com homepage info - get ready to check 16th Letter best content right away, or after learning these important things about 16thletter.com

Melissa Chang�s blog covers all things Internet, including Internet advertising, marketing, publishing, content, development, design, SEO, useful tools and tips, and lots of other issues related to th...

Visit 16thletter.com

Key Findings

We analyzed 16thletter.com page load time and found that the first response time was 561 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

16thletter.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

www.16thletter.com

561 ms

style.css

5 ms

8 ms

sharethis.1ac33bc7d4476110a610f925104446ff.css

3 ms

alfred-nobel.jpg

129 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 24% of them (9 requests) were addressed to the original 16thletter.com, 34% (13 requests) were made to 16thletter.s3.amazonaws.com and 5% (2 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (561 ms) belongs to the original domain 16thletter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.6 kB (39%)

Content Size

557.0 kB

After Optimization

342.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 16thletter.com main page is 557.0 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. 25% of websites need less resources to load. Images take 269.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 52.8 kB

  • Original 73.7 kB
  • After minification 72.3 kB
  • After compression 20.9 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 52.8 kB or 72% of the original size.

Image Optimization

-6%

Potential reduce by 16.1 kB

  • Original 269.8 kB
  • After minification 253.7 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. 16th Letter images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 136.4 kB

  • Original 201.6 kB
  • After minification 200.8 kB
  • After compression 65.2 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 136.4 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 9.4 kB

  • Original 11.9 kB
  • After minification 9.1 kB
  • After compression 2.6 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. 16thletter.com needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 16th Letter. 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

www.16thletter.com

www.16thletter.com

561 ms

style.css

style.css

5 ms

8 ms

sharethis.1ac33bc7d4476110a610f925104446ff.css

sharethis.1ac33bc7d4476110a610f925104446ff.css

3 ms

alfred-nobel.jpg

alfred-nobel.jpg

129 ms

title.png

title.png

17 ms

RSS_icon15x15.gif

RSS_icon15x15.gif

7 ms

b2b-social-media.jpg

b2b-social-media.jpg

81 ms

kubrickbgcolor.jpg

kubrickbgcolor.jpg

8 ms

animoto-logo.jpg

animoto-logo.jpg

69 ms

melissa-and-willow.jpg

melissa-and-willow.jpg

106 ms

tweetie-icon.jpg

tweetie-icon.jpg

57 ms

nearby-tweetie-2v2.jpg

nearby-tweetie-2v2.jpg

49 ms

profile-page.jpg

profile-page.jpg

84 ms

businessweek-magazine.jpg

businessweek-magazine.jpg

234 ms

dinner.jpg

dinner.jpg

68 ms

quiz-sacue.jpg

quiz-sacue.jpg

87 ms

rusting-printing-press.jpg

rusting-printing-press.jpg

86 ms

top-influencers-in-buying-process.jpg

top-influencers-in-buying-process.jpg

92 ms

huitter.jpg

huitter.jpg

27 ms

email.jpg

email.jpg

4 ms

jquery.js

jquery.js

17 ms

jquery-migrate.min.js

jquery-migrate.min.js

7 ms

anti-spam.js

anti-spam.js

6 ms

urchin.js

urchin.js

5 ms

__utm.gif

__utm.gif

82 ms

getSegment.php

getSegment.php

11 ms

t.dhj

t.dhj

6 ms

t.dhj

t.dhj

9 ms

cm

cm

20 ms

s-3271.xgi

s-3271.xgi

8 ms

hbpix

hbpix

25 ms

5 ms

xrefid.xgi

xrefid.xgi

5 ms

pixel

pixel

15 ms

6 ms

pixel

pixel

14 ms

2981

2981

18 ms

Accessibility Review

16thletter.com accessibility score

53

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

16thletter.com best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

16thletter.com SEO score

69

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 16thletter.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 16thletter.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

16thletter.com

Open Graph description is not detected on the main page of 16th Letter. 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: