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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

images.packtpub.com

Packt | Programming Books, eBooks & Videos for Developers

Page Load Speed

3.4 sec in total

First Response

595 ms

Resources Loaded

2.3 sec

Page Rendered

461 ms

images.packtpub.com screenshot

About Website

Click here to check amazing Images Packt Pub content for India. Otherwise, check out these important facts you probably never knew about images.packtpub.com

Packt is the online library and learning platform for professional developers. Learn Python, JavaScript, Angular and more with eBooks, videos and courses

Visit images.packtpub.com

Key Findings

We analyzed Images.packtpub.com page load time and found that the first response time was 595 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

images.packtpub.com performance score

0

Network Requests Diagram

www.packtpub.com

595 ms

javascript.js

57 ms

ubuntu.css

257 ms

78f9098398df991675d32855ba33c2b5.css

428 ms

a3788c8c64fd65c470e23e7534c3ebc8.js

606 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Images.packtpub.com, 17% (10 requests) were made to Google-analytics.com and 13% (8 requests) were made to Dz13w8afd47il.cloudfront.net. The less responsive or slowest element that took the longest time to load (884 ms) relates to the external source Packtpub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 891.2 kB (51%)

Content Size

1.8 MB

After Optimization

859.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Images.packtpub.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 710.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 72.9 kB

  • Original 94.1 kB
  • After minification 86.2 kB
  • After compression 21.3 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. 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 72.9 kB or 77% of the original size.

Image Optimization

-8%

Potential reduce by 54.6 kB

  • Original 646.1 kB
  • After minification 591.5 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. Images Packt Pub images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 515.5 kB

  • Original 710.0 kB
  • After minification 710.0 kB
  • After compression 194.5 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 515.5 kB or 73% of the original size.

CSS Optimization

-83%

Potential reduce by 248.2 kB

  • Original 300.7 kB
  • After minification 275.3 kB
  • After compression 52.6 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. Images.packtpub.com needs all CSS files to be minified and compressed as it can save up to 248.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (41%)

Requests Now

56

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Images Packt Pub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.packtpub.com

www.packtpub.com

595 ms

javascript.js

javascript.js

57 ms

ubuntu.css

ubuntu.css

257 ms

78f9098398df991675d32855ba33c2b5.css

78f9098398df991675d32855ba33c2b5.css

428 ms

a3788c8c64fd65c470e23e7534c3ebc8.js

a3788c8c64fd65c470e23e7534c3ebc8.js

606 ms

analytics.js

analytics.js

198 ms

packtlib-logo-dark.png

packtlib-logo-dark.png

208 ms

1-bundle-python.png

1-bundle-python.png

212 ms

3-bundle-javascript.png

3-bundle-javascript.png

211 ms

packtlib-logo-light.png

packtlib-logo-light.png

206 ms

8156OS_3679_Learning%20Unreal%20Engine%20Game%20Development.jpg

8156OS_3679_Learning%20Unreal%20Engine%20Game%20Development.jpg

210 ms

267_coverimage.png

267_coverimage.png

210 ms

Home-image-trans2.png

Home-image-trans2.png

210 ms

5-bundle-swift.png

5-bundle-swift.png

227 ms

6-bundle-android.png

6-bundle-android.png

217 ms

2-bundle-angular.png

2-bundle-angular.png

208 ms

4-bundle-r.png

4-bundle-r.png

210 ms

blank.gif

blank.gif

165 ms

gtm.js

gtm.js

230 ms

new-blog.png

new-blog.png

189 ms

free-learning-hero.png

free-learning-hero.png

179 ms

sprite-fixed.png

sprite-fixed.png

448 ms

Backingtexture5.png

Backingtexture5.png

884 ms

magnify.png

magnify.png

153 ms

reptile-2016_0.png

reptile-2016_0.png

337 ms

home-block-dotd.png

home-block-dotd.png

194 ms

script.js

script.js

130 ms

fancybox-x.png

fancybox-x.png

147 ms

fancybox.png

fancybox.png

318 ms

fancybox-y.png

fancybox-y.png

237 ms

blank.gif

blank.gif

306 ms

_xyN3apAT_yRRDeqB3sPRg.woff

_xyN3apAT_yRRDeqB3sPRg.woff

406 ms

OsJ2DjdpjqFRVUSto6IffD8E0i7KZn-EPnyo3HZu7kw.woff

OsJ2DjdpjqFRVUSto6IffD8E0i7KZn-EPnyo3HZu7kw.woff

322 ms

_aijTyevf54tkVDLy-dlnD8E0i7KZn-EPnyo3HZu7kw.woff

_aijTyevf54tkVDLy-dlnD8E0i7KZn-EPnyo3HZu7kw.woff

386 ms

0ihfXUL2emPh0ROJezvraD8E0i7KZn-EPnyo3HZu7kw.woff

0ihfXUL2emPh0ROJezvraD8E0i7KZn-EPnyo3HZu7kw.woff

492 ms

kbP_6ONYVgE-bLa9ZRbvvvesZW2xOQ-xsNqO47m55DA.woff

kbP_6ONYVgE-bLa9ZRbvvvesZW2xOQ-xsNqO47m55DA.woff

418 ms

ohKfORL_YnhBMzkCPoIqwobN6UDyHWBl620a-IRfuBk.woff

ohKfORL_YnhBMzkCPoIqwobN6UDyHWBl620a-IRfuBk.woff

421 ms

DZ_YjBPqZ88vcZCcIXm6VobN6UDyHWBl620a-IRfuBk.woff

DZ_YjBPqZ88vcZCcIXm6VobN6UDyHWBl620a-IRfuBk.woff

474 ms

OMD20Sg9RTs7sUORCEN-7YbN6UDyHWBl620a-IRfuBk.woff

OMD20Sg9RTs7sUORCEN-7YbN6UDyHWBl620a-IRfuBk.woff

581 ms

ec.js

ec.js

19 ms

runtime.2.2.5.js

runtime.2.2.5.js

95 ms

collect

collect

69 ms

collect

collect

135 ms

j.php

j.php

86 ms

fbevents.js

fbevents.js

200 ms

collect

collect

57 ms

collect

collect

85 ms

collect

collect

65 ms

collect

collect

75 ms

collect

collect

75 ms

collect

collect

64 ms

activityi;src=5277509;type=Pagev01;cat=pagev0;ord=1;num=4703405946656;~oref=https%3A%2F%2Fwww.packtpub.com%2F

activityi;src=5277509;type=Pagev01;cat=pagev0;ord=1;num=4703405946656;~oref=https%3A%2F%2Fwww.packtpub.com%2F

80 ms

submit

submit

107 ms

collect

collect

21 ms

v.gif

v.gif

21 ms

ga-audiences

ga-audiences

42 ms

ga-audiences

ga-audiences

53 ms

97 ms

6e295a6eb8f64cef4e07d9b1f02d46e8.css

6e295a6eb8f64cef4e07d9b1f02d46e8.css

88 ms

collect

collect

9 ms

SEO Factors

images.packtpub.com 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 Images.packtpub.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 Images.packtpub.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

images.packtpub.com

Open Graph description is not detected on the main page of Images Packt Pub. 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: