Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

iranbook.ir

خرید کتاب کمک درسی | خرید کتاب کمک آموزشی | بانک کتاب ایران

Page Load Speed

4.2 sec in total

First Response

928 ms

Resources Loaded

2.7 sec

Page Rendered

604 ms

iranbook.ir screenshot

About Website

Click here to check amazing Iranbook content for Iran. Otherwise, check out these important facts you probably never knew about iranbook.ir

بانک کتاب ایران, خرید کتاب کمک درسی, خرید کتاب کمک آموزشی, خرید کتاب کنکور, ارسال کتاب به سراسر ایران

Visit iranbook.ir

Key Findings

We analyzed Iranbook.ir page load time and found that the first response time was 928 ms and then it took 3.3 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

iranbook.ir performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.597

11/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

iranbook.ir

928 ms

v_326_4e22e3ff9aac91ae548d011c6cc0e4db_all.css

376 ms

eNamadLogo.htm

199 ms

%DA%A9%D8%AA%D8%A7%D8%A8%D8%AE%D8%B1%DB%8C%D8%AF-%DA%A9%D8%AA%D8%A7%D8%A8%DA%86%D8%A7%D9%BE-%DA%A9%D8%AA%D8%A7%D8%A8%D9%81%D8%B1%D9%88%D8%B4-%DA%A9%D8%AA%D8%A7%D8%A8-logo-1442131482.jpg

277 ms

%D9%BE%D8%B1%D9%88%DA%98%D9%87-%D9%87%D8%A7%DB%8C-%D9%85%DB%8C%DA%A9%D8%B1%D9%88%DA%A9%D9%86%D8%AA%D8%B1%D9%84%D8%B1-%D8%A8%D8%A7-%D8%A7%D8%B3%D8%AA%D9%81%D8%A7%D8%AF%D9%87-%D8%A7%D8%B2-%DA%A9%D8%A7%D9%85%D9%BE%D8%A7%DB%8C%D9%84%D8%B1-bascomavr.jpg

173 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 84% of them (42 requests) were addressed to the original Iranbook.ir, 6% (3 requests) were made to Apis.google.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (928 ms) belongs to the original domain Iranbook.ir.

Page Optimization Overview & Recommendations

Page size can be reduced by 745.1 kB (53%)

Content Size

1.4 MB

After Optimization

650.9 kB

In fact, the total size of Iranbook.ir main page is 1.4 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. 50% of websites need less resources to load. Images take 464.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 221.4 kB

  • Original 266.7 kB
  • After minification 266.7 kB
  • After compression 45.3 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 221.4 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 17.1 kB

  • Original 464.7 kB
  • After minification 447.7 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. Iranbook images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 246.0 kB

  • Original 356.8 kB
  • After minification 356.8 kB
  • After compression 110.8 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 246.0 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 260.5 kB

  • Original 307.7 kB
  • After minification 303.6 kB
  • After compression 47.1 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. Iranbook.ir needs all CSS files to be minified and compressed as it can save up to 260.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (11%)

Requests Now

46

After Optimization

41

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iranbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

iranbook.ir accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Links do not have a discernible name

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

iranbook.ir 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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

iranbook.ir SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FA

  • Language Claimed

    FA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iranbook.ir can be misinterpreted by Google and other search engines. Our service has detected that Persian is used on the page, and it matches the claimed language. Our system also found out that Iranbook.ir 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

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