Tools & Wizards About Us
textbook.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

textbook.com

Textbooks | Buy & Sell Your Textbooks at Textbooks.com

Page Load Speed

6.3 sec in total

First Response

267 ms

Resources Loaded

5.7 sec

Page Rendered

247 ms

textbook.com screenshot

About Website

Click here to check amazing Textbook content for Iran. Otherwise, check out these important facts you probably never knew about textbook.com

Shopping for textbooks? Get free shipping on qualifying orders over $25 and save up to 90% when you shop for your textbooks at Textbooks.com.

Visit textbook.com

Key Findings

We analyzed Textbook.com page load time and found that the first response time was 267 ms and then it took 6 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

textbook.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

www.textbooks.com

267 ms

modcss.php

88 ms

tb-v6.css

33 ms

jquery.min.js

44 ms

tb_js_head_min.js

28 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Textbook.com, 11% (10 requests) were made to Textbooks.com and 7% (7 requests) were made to Images.textbooks.com. The less responsive or slowest element that took the longest time to load (267 ms) relates to the external source Textbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 743.0 kB (68%)

Content Size

1.1 MB

After Optimization

353.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Textbook.com main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 821.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.6 kB

  • Original 58.0 kB
  • After minification 50.2 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 7.8 kB, which is 13% 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 46.6 kB or 80% of the original size.

Image Optimization

-22%

Potential reduce by 24.0 kB

  • Original 109.3 kB
  • After minification 85.3 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, Textbook needs image optimization as it can save up to 24.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 580.7 kB

  • Original 821.7 kB
  • After minification 779.9 kB
  • After compression 241.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 580.7 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 91.7 kB

  • Original 107.9 kB
  • After minification 96.4 kB
  • After compression 16.2 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. Textbook.com needs all CSS files to be minified and compressed as it can save up to 91.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (52%)

Requests Now

88

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Textbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.textbooks.com

www.textbooks.com

267 ms

modcss.php

modcss.php

88 ms

tb-v6.css

tb-v6.css

33 ms

jquery.min.js

jquery.min.js

44 ms

tb_js_head_min.js

tb_js_head_min.js

28 ms

id.js

id.js

42 ms

1667940048.js

1667940048.js

76 ms

VisitorAPI.js

VisitorAPI.js

27 ms

AppMeasurement.js

AppMeasurement.js

25 ms

tb_js_foot_min.js

tb_js_foot_min.js

28 ms

tb_token.js

tb_token.js

24 ms

conversion.js

conversion.js

27 ms

ld.js

ld.js

32 ms

txtbooks.netmng.com

txtbooks.netmng.com

27 ms

event

event

33 ms

id.js

id.js

26 ms

hdr6_logo2.png

hdr6_logo2.png

53 ms

home6-feat-hl.png

home6-feat-hl.png

49 ms

0078036828_t.gif

0078036828_t.gif

60 ms

home6-feat-hl-mobi.png

home6-feat-hl-mobi.png

86 ms

home6-feat-bot.png

home6-feat-bot.png

43 ms

home6-btn-sell-mobi.png

home6-btn-sell-mobi.png

44 ms

home6-btn-acct-mobi.png

home6-btn-acct-mobi.png

46 ms

home6-icon-box.png

home6-icon-box.png

44 ms

home6-btn-seealltbks.png

home6-btn-seealltbks.png

44 ms

1452243093_t.gif

1452243093_t.gif

55 ms

0323088635_t.gif

0323088635_t.gif

58 ms

1285185242_t.gif

1285185242_t.gif

55 ms

1457662361_t.gif

1457662361_t.gif

56 ms

1285438019_t.gif

1285438019_t.gif

54 ms

0078036801_t.gif

0078036801_t.gif

58 ms

hdr6_banner_fs.png

hdr6_banner_fs.png

45 ms

hdr6_banner_fs_mobi.png

hdr6_banner_fs_mobi.png

48 ms

hdr6_banner_fs_mobi_small.png

hdr6_banner_fs_mobi_small.png

47 ms

hdr6_icon_srch1.png

hdr6_icon_srch1.png

48 ms

hdr6_icon_srch2.png

hdr6_icon_srch2.png

46 ms

hp_box_shadow_right.png

hp_box_shadow_right.png

49 ms

hp_box_shadow_left.png

hp_box_shadow_left.png

49 ms

home6-btn-sell.png

home6-btn-sell.png

52 ms

track

track

171 ms

hdr6_btn_srch.png

hdr6_btn_srch.png

49 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

131 ms

ftr6-icon2-social.png

ftr6-icon2-social.png

16 ms

ftr6-icon2-ppal.png

ftr6-icon2-ppal.png

18 ms

ftr6-icon2-v.png

ftr6-icon2-v.png

15 ms

ftr6-icon2-mc.png

ftr6-icon2-mc.png

16 ms

ftr6-icon2-amex.png

ftr6-icon2-amex.png

15 ms

ftr6-icon2-disc.png

ftr6-icon2-disc.png

17 ms

ftr6-icon2-mcaf.png

ftr6-icon2-mcaf.png

41 ms

ftr6-icon2-bbb.png

ftr6-icon2-bbb.png

17 ms

54 ms

analytics.js

analytics.js

23 ms

event

event

42 ms

ec.js

ec.js

10 ms

57 ms

55 ms

collect

collect

19 ms

TEXTBOOKSCOM.js

TEXTBOOKSCOM.js

37 ms

id

id

121 ms

txtbooks.netmng.com

txtbooks.netmng.com

40 ms

37 ms

pixel

pixel

47 ms

rtset

rtset

47 ms

Pug

Pug

46 ms

rum

rum

44 ms

13209

13209

41 ms

97 ms

match.aspx

match.aspx

51 ms

35 ms

75 ms

2eaf4e00740de4b7b7250d51

2eaf4e00740de4b7b7250d51

50 ms

tap.php

tap.php

53 ms

rum

rum

57 ms

u.php

u.php

129 ms

bounce

bounce

55 ms

merge

merge

48 ms

sync

sync

50 ms

dlxdata.netmng.com

dlxdata.netmng.com

99 ms

382706.gif

382706.gif

42 ms

43 ms

mapuser

mapuser

38 ms

s31116334332618

s31116334332618

41 ms

sd

sd

28 ms

pixel.gif

pixel.gif

34 ms

27 ms

2eaf4e00740de4b7b7250d51

2eaf4e00740de4b7b7250d51

14 ms

lr.gif

lr.gif

10 ms

18 ms

dis.aspx

dis.aspx

66 ms

tap.php

tap.php

33 ms

bidder_id=75565&bidder_user_id=918d14e7-ed9a-4ed3-a812-6a4772d49681

bidder_id=75565&bidder_user_id=918d14e7-ed9a-4ed3-a812-6a4772d49681

39 ms

rtset

rtset

54 ms

retarget.php

retarget.php

61 ms

362338.gif

362338.gif

35 ms

setuid

setuid

60 ms

Accessibility Review

textbook.com accessibility score

79

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

textbook.com best practices score

75

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

Page has valid source maps

SEO Factors

textbook.com SEO score

97

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Textbook.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 Textbook.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

textbook.com

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