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Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

prograbooks.com

Programming Ebooks - Download IOS Books, Android Books, Ray Wenderlich Books, Android, IOS, Flutter, React Native Tutorial

Page Load Speed

5.7 sec in total

First Response

637 ms

Resources Loaded

4.8 sec

Page Rendered

267 ms

prograbooks.com screenshot

About Website

Welcome to prograbooks.com homepage info - get ready to check Progra Books best content for Russia right away, or after learning these important things about prograbooks.com

Download IOS Books, Android Books, Ray Wenderlich Books, Android, IOS, Flutter, React Native Tutorial

Visit prograbooks.com

Key Findings

We analyzed Prograbooks.com page load time and found that the first response time was 637 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

prograbooks.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.prograbooks.com

637 ms

js

15 ms

style.min.css

251 ms

dashicons.min.css

709 ms

frontend.min.css

486 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 78% of them (28 requests) were addressed to the original Prograbooks.com, 8% (3 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Prograbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.3 kB (15%)

Content Size

631.6 kB

After Optimization

535.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prograbooks.com main page is 631.6 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. 45% of websites need less resources to load. Images take 417.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 71.7 kB

  • Original 87.4 kB
  • After minification 77.9 kB
  • After compression 15.6 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 9.5 kB, which is 11% 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 71.7 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 21.1 kB

  • Original 417.0 kB
  • After minification 395.9 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. Progra Books images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 766 B

  • Original 53.7 kB
  • After minification 53.7 kB
  • After compression 53.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 2.8 kB

  • Original 73.5 kB
  • After minification 73.5 kB
  • After compression 70.8 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. Prograbooks.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (55%)

Requests Now

31

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Progra 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 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.prograbooks.com

www.prograbooks.com

637 ms

js

js

15 ms

style.min.css

style.min.css

251 ms

dashicons.min.css

dashicons.min.css

709 ms

frontend.min.css

frontend.min.css

486 ms

style.css

style.css

510 ms

font-awesome.min.css

font-awesome.min.css

498 ms

responsive.css

responsive.css

515 ms

frontend-gtag.min.js

frontend-gtag.min.js

523 ms

jquery.min.js

jquery.min.js

971 ms

jquery-migrate.min.js

jquery-migrate.min.js

746 ms

customscript.js

customscript.js

761 ms

js

js

52 ms

css

css

29 ms

wp-tab-widget.css

wp-tab-widget.css

768 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

784 ms

new-tab.js

new-tab.js

943 ms

wp-tab-widget.js

wp-tab-widget.js

1047 ms

js

js

47 ms

nobg.png

nobg.png

249 ms

pattern29.png

pattern29.png

260 ms

pattern35.png

pattern35.png

264 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

18 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

17 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

784 ms

ultimate-ios-interview-playbook_thumbnai.png

ultimate-ios-interview-playbook_thumbnai.png

1496 ms

building-cross-platform-apps-flutter-dart-thumbnai.png

building-cross-platform-apps-flutter-dart-thumbnai.png

1261 ms

admin-ajax.php

admin-ajax.php

1448 ms

all.js

all.js

12 ms

all.js

all.js

5 ms

test-driven-development-swift-thumbnai-200x250.png

test-driven-development-swift-thumbnai-200x250.png

1524 ms

Flutter_Apprentice_Second_Edittion_Thumblai-115x115.png

Flutter_Apprentice_Second_Edittion_Thumblai-115x115.png

244 ms

Dart_Apprentice.jpg

Dart_Apprentice.jpg

749 ms

All-IOS-Book-From-RayWenderlich-mini.png

All-IOS-Book-From-RayWenderlich-mini.png

764 ms

flutter-dummies-barry-burd.png

flutter-dummies-barry-burd.png

738 ms

Swift-Coding-Challenges-Download-PDF-EPUB-HTML.png

Swift-Coding-Challenges-Download-PDF-EPUB-HTML.png

870 ms

Accessibility Review

prograbooks.com accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

prograbooks.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

prograbooks.com SEO score

93

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

Links do not have descriptive text

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

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 Prograbooks.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 Prograbooks.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

prograbooks.com

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