Tools & Wizards About Us
tagusbooks.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tagusbooks.com

Los mejores eBooks | Casa del Libro

Page Load Speed

3.3 sec in total

First Response

371 ms

Resources Loaded

2.5 sec

Page Rendered

426 ms

tagusbooks.com screenshot

About Website

Welcome to tagusbooks.com homepage info - get ready to check Tagusbooks best content for Spain right away, or after learning these important things about tagusbooks.com

Descubre los eBooks online más baratos o al MEJOR PRECIO: más vendidos, novedades y más esperados, en Casa del Libro.

Visit tagusbooks.com

Key Findings

We analyzed Tagusbooks.com page load time and found that the first response time was 371 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tagusbooks.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

tagusbooks.com

371 ms

www.tagusbooks.com

726 ms

999555900.js

337 ms

flexslider-rdblt.css

242 ms

bootstrap.css

384 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 39% of them (41 requests) were addressed to the original Tagusbooks.com, 46% (48 requests) were made to Image.tagusbooks.com and 3% (3 requests) were made to Image.casadellibro.com. The less responsive or slowest element that took the longest time to load (726 ms) belongs to the original domain Tagusbooks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 365.5 kB (33%)

Content Size

1.1 MB

After Optimization

728.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tagusbooks.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. 55% of websites need less resources to load. Images take 623.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 188.1 kB

  • Original 217.0 kB
  • After minification 155.9 kB
  • After compression 28.8 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 61.1 kB, which is 28% 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 188.1 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 23.0 kB

  • Original 623.6 kB
  • After minification 600.6 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. Tagusbooks images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 154.3 kB

  • Original 253.3 kB
  • After minification 252.0 kB
  • After compression 99.0 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 154.3 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (28%)

Requests Now

102

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tagusbooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tagusbooks.com

tagusbooks.com

371 ms

www.tagusbooks.com

www.tagusbooks.com

726 ms

999555900.js

999555900.js

337 ms

flexslider-rdblt.css

flexslider-rdblt.css

242 ms

bootstrap.css

bootstrap.css

384 ms

style.css

style.css

499 ms

responsive.css

responsive.css

488 ms

photoswipe.css

photoswipe.css

244 ms

comun.js

comun.js

528 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

630 ms

textos.js

textos.js

384 ms

ofertas.js

ofertas.js

495 ms

segAnalytics.js

segAnalytics.js

496 ms

facebook.js

facebook.js

609 ms

google_service.js

google_service.js

16 ms

pinit.js

pinit.js

5 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

382 ms

style.js

style.js

392 ms

klass.min.js

klass.min.js

389 ms

code.photoswipe.jquery-3.0.5.min.js

code.photoswipe.jquery-3.0.5.min.js

427 ms

webtracker.dll

webtracker.dll

245 ms

ga.js

ga.js

47 ms

google_ads.js

google_ads.js

16 ms

general-loading.gif

general-loading.gif

168 ms

CDLtagustablet201565_770x370.jpg

CDLtagustablet201565_770x370.jpg

136 ms

logo.png

logo.png

169 ms

logo@small.png

logo@small.png

167 ms

logo-text-top.png

logo-text-top.png

169 ms

sp.gif

sp.gif

169 ms

logo-text.png

logo-text.png

167 ms

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170 ms

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173 ms

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175 ms

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170 ms

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9788408149590.jpg

173 ms

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9788408152651.jpg

172 ms

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174 ms

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177 ms

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177 ms

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381 ms

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9788423348190.jpg

174 ms

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177 ms

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9788408148845.jpg

178 ms

9788490692097.jpg

9788490692097.jpg

181 ms

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183 ms

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9788423319442.jpg

320 ms

9788490661956.jpg

9788490661956.jpg

180 ms

9788408122234.jpg

9788408122234.jpg

384 ms

9788494295959.jpg

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184 ms

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185 ms

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186 ms

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186 ms

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375 ms

9788490079980.jpg

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541 ms

9788483657102.jpg

9788483657102.jpg

188 ms

9788415893592.jpg

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201 ms

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202 ms

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9788415120452.jpg

203 ms

9788468710938.jpg

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376 ms

9788490068267.jpg

9788490068267.jpg

321 ms

CDLtagustablet201565_370x300.jpg

CDLtagustablet201565_370x300.jpg

152 ms

CDLtagustablet201565_565x250.jpg

CDLtagustablet201565_565x250.jpg

128 ms

gtm.js

gtm.js

72 ms

sep08.png

sep08.png

153 ms

ico-nav-sup_2x.png

ico-nav-sup_2x.png

151 ms

sprite-ico-nav_2x.png

sprite-ico-nav_2x.png

149 ms

__utm.gif

__utm.gif

17 ms

sep09.png

sep09.png

148 ms

button-search_2x.png

button-search_2x.png

146 ms

comprobarSesion

comprobarSesion

160 ms

sprite-stars_2x.png

sprite-stars_2x.png

210 ms

ofertaProductoLista

ofertaProductoLista

227 ms

arrow03_01_2x.png

arrow03_01_2x.png

197 ms

ofertaProductoLista

ofertaProductoLista

234 ms

ofertaProducto

ofertaProducto

226 ms

ofertaProducto

ofertaProducto

236 ms

ofertaProductoLista

ofertaProductoLista

316 ms

bgd-footer.gif

bgd-footer.gif

307 ms

iscroll.js

iscroll.js

298 ms

ico-calidad_2x.png

ico-calidad_2x.png

282 ms

ico-att_2x.png

ico-att_2x.png

296 ms

blt01.png

blt01.png

302 ms

select-arrow.png

select-arrow.png

376 ms

sep11.gif

sep11.gif

379 ms

search-clear_2x.png

search-clear_2x.png

403 ms

close.png

close.png

402 ms

prum.min.js

prum.min.js

28 ms

pinit_main.js

pinit_main.js

35 ms

9788493870256.jpg

9788493870256.jpg

176 ms

9788420492445.jpg

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178 ms

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178 ms

9788416120888.jpg

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180 ms

9788484286950.jpg

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185 ms

defecto1.jpg

defecto1.jpg

189 ms

9788490194867.jpg

9788490194867.jpg

192 ms

ico-verisign.png

ico-verisign.png

194 ms

ico-confianza.png

ico-confianza.png

201 ms

ico-tercerosconfianza.png

ico-tercerosconfianza.png

207 ms

ico-mastercard.png

ico-mastercard.png

207 ms

ico-visa.png

ico-visa.png

209 ms

tag-new-ebook_2x.png

tag-new-ebook_2x.png

258 ms

tags-box-top_2x.png

tags-box-top_2x.png

375 ms

all.js

all.js

268 ms

beacon.gif

beacon.gif

224 ms

Accessibility Review

tagusbooks.com accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Links do not have a discernible name

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

tagusbooks.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tagusbooks.com SEO score

75

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

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

tagusbooks.com

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