Tools & Wizards About Us
djangobooks.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

djangobooks.com

Home - DjangoBooks.com

Page Load Speed

4.7 sec in total

First Response

553 ms

Resources Loaded

3.9 sec

Page Rendered

302 ms

djangobooks.com screenshot

About Website

Visit djangobooks.com now to see the best up-to-date Django Books content for New Zealand and also check out these interesting facts you probably never knew about djangobooks.com

Our website provides everything you need to know about our products and services.

Visit djangobooks.com

Key Findings

We analyzed Djangobooks.com page load time and found that the first response time was 553 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

djangobooks.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value9,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.526

14/100

15%

TTI (Time to Interactive)

Value33.9 s

0/100

10%

Network Requests Diagram

djangobooks.com

553 ms

www.djangobooks.com

983 ms

jquery.min.js

322 ms

jquery-ui.min.js

482 ms

jquery.easing.min.js

226 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 66% of them (93 requests) were addressed to the original Djangobooks.com, 7% (10 requests) were made to Static.xx.fbcdn.net and 5% (7 requests) were made to W.soundcloud.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Djangobooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (63%)

Content Size

3.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Djangobooks.com main page is 3.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 346.7 kB

  • Original 553.2 kB
  • After minification 552.9 kB
  • After compression 206.4 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 346.7 kB or 63% of the original size.

Image Optimization

-12%

Potential reduce by 36.2 kB

  • Original 290.0 kB
  • After minification 253.8 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, Django Books needs image optimization as it can save up to 36.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 1.1 MB

  • Original 1.6 MB
  • After minification 1.5 MB
  • After compression 434.1 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 1.1 MB or 73% of the original size.

CSS Optimization

-63%

Potential reduce by 440.3 kB

  • Original 701.1 kB
  • After minification 665.5 kB
  • After compression 260.8 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. Djangobooks.com needs all CSS files to be minified and compressed as it can save up to 440.3 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (62%)

Requests Now

135

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Django Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

djangobooks.com

djangobooks.com

553 ms

www.djangobooks.com

www.djangobooks.com

983 ms

jquery.min.js

jquery.min.js

322 ms

jquery-ui.min.js

jquery-ui.min.js

482 ms

jquery.easing.min.js

jquery.easing.min.js

226 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

227 ms

jquery.json.js

jquery.json.js

227 ms

md5.js

md5.js

189 ms

jquery.qtip2.min.js

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339 ms

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294 ms

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292 ms

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291 ms

common.js

common.js

357 ms

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359 ms

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357 ms

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386 ms

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387 ms

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421 ms

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23 ms

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13 ms

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62 ms

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140 ms

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194 ms

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142 ms

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140 ms

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140 ms

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356 ms

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458 ms

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361 ms

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679 ms

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794 ms

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796 ms

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795 ms

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804 ms

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797 ms

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793 ms

social_facebook.png

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803 ms

sdk.js

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47 ms

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193 ms

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calendar.js

calendar.js

941 ms

merchant.js

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45 ms

load_views.js

load_views.js

679 ms

event.js

event.js

673 ms

utils.js

utils.js

670 ms

gtmp_compiled.js

gtmp_compiled.js

46 ms

204 ms

ads

ads

207 ms

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gmaps.js

759 ms

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758 ms

xd_arbiter.php

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36 ms

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52 ms

gtmp_compiled_wPC6t3gu0Jc.js

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57 ms

www-embed-player-vflZsBgOl.css

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99 ms

www-embed-player.js

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141 ms

interstate-0ab59479718c8235122cad6b16a66953d725c43a.css

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396 ms

widget-ea7fb002.css

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65 ms

widget-4cab6819.js

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212 ms

tm2

tm2

56 ms

social_googleplus.png

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653 ms

like_box.php

like_box.php

142 ms

social_youtube.png

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592 ms

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

71 ms

ad_status.js

ad_status.js

75 ms

social_soundcloud.png

social_soundcloud.png

563 ms

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619 ms

social_linkedin.png

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618 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

116 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

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126 ms

newsicon.png

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616 ms

595bc330007c013264457a163e74bed5.gif

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88 ms

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556 ms

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551 ms

background.png

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576 ms

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556 ms

jTuqQ-OPDr6.css

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gradientup.png

gradientup.png

550 ms

ts

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178 ms

footer.png

footer.png

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withcontrols_prev.png

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510 ms

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510 ms

524039_607115622656829_1845893563_n.jpg

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104 ms

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30 ms

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16 ms

ga.js

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117 ms

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56 ms

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tab.js

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291 ms

gmaps_helper.js

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296 ms

print.js

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310 ms

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309 ms

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308 ms

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308 ms

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351 ms

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68 ms

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68 ms

Accessibility Review

djangobooks.com accessibility score

90

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

Best Practices

djangobooks.com best practices score

67

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

High

Missing source maps for large first-party JavaScript

SEO Factors

djangobooks.com SEO score

99

Search Engine Optimization Advices

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Djangobooks.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Djangobooks.com 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

djangobooks.com

Open Graph data is detected on the main page of Django Books. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: