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towcenter.gitbooks.io screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

towcenter.gitbooks.io

Tow Center for Digital Journalism (@towcenter) on GitBook · GitBook (Legacy)

Page Load Speed

1.7 sec in total

First Response

81 ms

Resources Loaded

1.4 sec

Page Rendered

223 ms

towcenter.gitbooks.io screenshot

About Website

Visit towcenter.gitbooks.io now to see the best up-to-date Tow Center Git Book S content for China and also check out these interesting facts you probably never knew about towcenter.gitbooks.io

Books written by Tow Center for Digital Journalism (@towcenter). Tow Center for Digital Journalism at Columbia Journalism School

Visit towcenter.gitbooks.io

Key Findings

We analyzed Towcenter.gitbooks.io page load time and found that the first response time was 81 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

towcenter.gitbooks.io performance score

0

Network Requests Diagram

towcenter.gitbooks.io

81 ms

@towcenter

690 ms

style.css

28 ms

socicon.css

42 ms

128.png

72 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Towcenter.gitbooks.io, 32% (7 requests) were made to Gitbook.com and 14% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (690 ms) relates to the external source Gitbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 335.7 kB (71%)

Content Size

474.5 kB

After Optimization

138.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Towcenter.gitbooks.io main page is 474.5 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. 30% of websites need less resources to load. Javascripts take 231.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 33.3 kB

  • Original 41.6 kB
  • After minification 31.0 kB
  • After compression 8.3 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 10.6 kB, which is 25% 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 33.3 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 775 B

  • Original 20.0 kB
  • After minification 19.2 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. Tow Center Git Book S images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 148.3 kB

  • Original 231.5 kB
  • After minification 231.5 kB
  • After compression 83.2 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 148.3 kB or 64% of the original size.

CSS Optimization

-85%

Potential reduce by 153.3 kB

  • Original 181.4 kB
  • After minification 180.5 kB
  • After compression 28.1 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. Towcenter.gitbooks.io needs all CSS files to be minified and compressed as it can save up to 153.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (37%)

Requests Now

19

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tow Center Git Book S. 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 as a result speed up the page load time.

Network Requests Diagram

towcenter.gitbooks.io

towcenter.gitbooks.io

81 ms

@towcenter

@towcenter

690 ms

style.css

style.css

28 ms

socicon.css

socicon.css

42 ms

128.png

128.png

72 ms

TowCenter

TowCenter

18 ms

ZeroClipboard.min.js

ZeroClipboard.min.js

58 ms

app.js

app.js

66 ms

171 ms

TowCenter

TowCenter

357 ms

sdk.js

sdk.js

268 ms

widgets.js

widgets.js

70 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

8 ms

channel.html

channel.html

89 ms

follow_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

follow_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

61 ms

socicon.woff

socicon.woff

43 ms

octicons.woff

octicons.woff

14 ms

nr-885.min.js

nr-885.min.js

48 ms

140 ms

xd_arbiter.php

xd_arbiter.php

269 ms

4da460625d

4da460625d

114 ms

jot

jot

107 ms

SEO Factors

towcenter.gitbooks.io SEO score

0

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 Towcenter.gitbooks.io 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 Towcenter.gitbooks.io 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

towcenter.gitbooks.io

Open Graph data is detected on the main page of Tow Center Git Book S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: