seobook.com Website Information

Daily Unique Visits: 137,115

Daily Page Views: 822,690

Income Per Day: $1,645

Estimated Value: $1,184,400

This website is located in United States and is using following IP address 45.79.65.120. See the complete list of popular websites hosted in United States.

seobook.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website seobook.com is using the following name servers:

ns1.linode.com
ns5.linode.com
ns2.linode.com
ns4.linode.com
ns3.linode.com

and is probably hosted by LINODE-AP Linode, LLC, US. See the full list of other websites hosted by LINODE-AP Linode, LLC, US.

The highest website seobook.com position in Alexa rank database was 9750 and the lowest rank position was 10619. Current position of seobook.com in Alexa rank database is 10460.

Desktop speed score of seobook.com (79/100) is better than the results of 67.91% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of seobook.com (64/100) is better than the results of 11.2% of other sites and means that the page is not mobile-friendly.

Mobile speed score of seobook.com (70/100) is better than the results of 76.43% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

seobook.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

seobook.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain Name: SEOBOOK.COM
Registry Domain ID: 100993208_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2023-10-14T04:26:30Z
Creation Date: 2003-07-24T02:51:07Z
Registry Expiry Date: 2025-07-04T03:59:59Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.LINODE.COM
Name Server: NS2.LINODE.COM
Name Server: NS3.LINODE.COM
Name Server: NS4.LINODE.COM
Name Server: NS5.LINODE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-09T11:45:03Z

seobook.com server information

Servers Location

seobook.com desktop page speed rank

Last tested: 2019-12-02

Desktop Speed Medium

79/100

seobook.com Desktop Speed Test Quick Summary

priority - 10Enable compression

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Enable compression for the following resources to reduce their transfer size by 95.4KiB (67% reduction).

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priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

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Optimize CSS Delivery of the following:

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priority - 4Optimize images

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Optimize the following images to reduce their size by 39KiB (31% reduction).

Compressing http://www.seobook.com/img/home-experts.png could save 6.8KiB (27% reduction).
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priority - 3Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://video.seobook.com/js/loader.js (expiration not specified)
https://cdn.syndication.twimg.com/timeline/profile…800&with_replies=false (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
http://apis.google.com/js/plusone.js (30 minutes)
http://platform.twitter.com/widgets.js (30 minutes)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 20.7KiB (27% reduction).

Minifying http://www.seobook.com/js/jquery.colorbox.js could save 9.7KiB (42% reduction).
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priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 1.6KiB (11% reduction).

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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1KiB (25% reduction).

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seobook.com Desktop Resource Breakdown

Total Resources	76
Number of Hosts	12
Static Resources	60
JavaScript Resources	18
CSS Resources	16

seobook.com mobile page speed rank

Last tested: 2019-12-02

Mobile Speed Medium

70/100

seobook.com Mobile Speed Test Quick Summary

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.seobook.com/files/js/js_qikmINIYTWe4jcT…bmSDiZB9LQqvceZ6wlM.js
http://www.seobook.com/files/js/js_msDixDleclO5aFz…Rdm_-tLqSj4u6c99smM.js

Optimize CSS Delivery of the following:

priority - 10Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 95.4KiB (67% reduction).

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://video.seobook.com/js/loader.js (expiration not specified)
https://cdn.syndication.twimg.com/timeline/profile…800&with_replies=false (5 minutes)
https://syndication.twitter.com/settings (10 minutes)
http://platform.twitter.com/widgets.js (30 minutes)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 3Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 33.3KiB (28% reduction).

Compressing http://www.seobook.com/img/home-experts.png could save 6.8KiB (27% reduction).
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Compressing http://www.seobook.com/img/home-screen-1.png could save 2KiB (17% reduction).
Compressing http://www.seobook.com/sites/all/themes/seobook/images/register-now.png could save 1.6KiB (11% reduction).
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priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 20.7KiB (27% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 1.6KiB (11% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1KiB (25% reduction).

Minifying http://www.seobook.com/signup/ could save 1KiB (25% reduction).

seobook.com Mobile Resource Breakdown

Total Resources	75
Number of Hosts	12
Static Resources	58
JavaScript Resources	16
CSS Resources	16

seobook.com mobile page usability

Last tested: 2019-12-02

Mobile Usability Bad

64/100

seobook.com Mobile Usability Test Quick Summary

priority - 31Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

Support and 3 others render only 4 pixels tall (11 CSS pixels).

FREE renders only 4 pixels tall (11 CSS pixels).

Community and 6 others render only 6 pixels tall (15 CSS pixels).

"Aaron Wall's…nd for getting and 1 others render only 6 pixels tall (15 CSS pixels).

Professor J. M…Wharton School renders only 6 pixels tall (15 CSS pixels).

for only $10 p…directly from and 2 others render only 6 pixels tall (15 CSS pixels).

personal SEO coach renders only 6 pixels tall (15 CSS pixels).

Aaron Wall renders only 6 pixels tall (15 CSS pixels).

or renders only 8 pixels tall (20 CSS pixels).

Take the tour renders only 8 pixels tall (20 CSS pixels).

WHAT YOU GET renders only 5 pixels tall (14 CSS pixels).

Over 100 training modules and 7 others render only 5 pixels tall (14 CSS pixels).

covering topic…g & many more! and 4 others render only 5 pixels tall (14 CSS pixels).

AS SEEN IN renders only 4 pixels tall (10 CSS pixels).

Explore more k…Research Tool! and 4 others render only 5 pixels tall (13 CSS pixels).

for beginners.…your rankings! and 7 others render only 5 pixels tall (14 CSS pixels).

Why Search is…keting Channel and 27 others render only 5 pixels tall (14 CSS pixels).

on-page optimization and 4 others render only 5 pixels tall (14 CSS pixels).

With our exclu…n you consume. and 1 others render only 5 pixels tall (14 CSS pixels).

SEO Training renders only 7 pixels tall (18 CSS pixels).

SEO Book and 2 others render only 5 pixels tall (14 CSS pixels).
@seobook and 2 others render only 5 pixels tall (13 CSS pixels).
Hotel search n…rnings reports and 2 others render only 7 pixels tall (18 CSS pixels).
seobook.com/disappearing-c and 4 others render only 7 pixels tall (18 CSS pixels).
Nov 10, 2019 and 2 others render only 5 pixels tall (12 CSS pixels).
Join our training program and 1 others render only 5 pixels tall (14 CSS pixels).
Website Monetization and 6 others render only 5 pixels tall (14 CSS pixels).
Competitive Research Tool and 27 others render only 5 pixels tall (12 CSS pixels).
This website i…s, and you! :) and 1 others render only 5 pixels tall (12 CSS pixels).

priority - 13Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a class="round">Join Free</a> and 3 others are close to other tap targets.

The tap target <a class="round">Join Free</a> is close to 1 other tap targets.

The tap target <input type="text" name="q" class="round"> is close to 1 other tap targets.

The tap target <input type="submit" name="sa" class="round"> is close to 1 other tap targets.

The tap target <a href="http://www.seo…om/feeds.shtml"></a> and 1 others are close to other tap targets.

The tap target <a href="http://www.seobook.com/" class="link round">Home</a> and 4 others are close to other tap targets.

The tap target <a href="http://trainin…k.com/site-map">Site Map</a> and 26 others are close to other tap targets.

The tap target <a href="https://twitte…11098249252866" class="TweetAction Tw…art web-intent"></a> and 2 others are close to other tap targets.
The tap target <a href="#" class="TweetAction Tw…-showShareMenu"></a> and 2 others are close to other tap targets.
The tap target <a href="http://trainin…/link-building">Link Building</a> and 6 others are close to other tap targets.
The tap target <a href="http://www.seobook.com/">Home</a> and 26 others are close to other tap targets.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 3Avoid plugins

Your page uses plugins, which prevents portions of your page from being used on many platforms. Find alternatives for plugin based content to increase compatibility.

Find alternatives for the following Flash plugins.

http://www.youtube-nocookie.com/v/4V7bH-cHb2E&hl=e…006699&color2=0x54abd6 (400 x 13).

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 989 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

The element <a href="/user" class="round">Login</a> falls outside the viewport.
The element <div class="social"></div> falls outside the viewport.
The element <div>"Aaron Wall's…a free bonus!</div> falls outside the viewport.
The element <div>as seen in</div> falls outside the viewport.
The element <img src="/img/ribbon-blue-right.png"> falls outside the viewport.
The element <div class="round-top-left…bon blue right">SEO Training</div> falls outside the viewport.
The element <div>Site Map</div> falls outside the viewport.
The element <div>Blogging</div> falls outside the viewport.
The element <div>Brief History…rch Technology</div> falls outside the viewport.
The element <div>Brief Summary of Contents</div> falls outside the viewport.
The element <div>Buying SEO Services</div> falls outside the viewport.
The element <div>Content Management</div> falls outside the viewport.
The element <div>Copywriting</div> falls outside the viewport.
The element <div>Domaining</div> falls outside the viewport.
The element <div>Information Architecture</div> falls outside the viewport.
The element <div>Internet Marketing tools</div> falls outside the viewport.
The element <div>Keyword Research</div> falls outside the viewport.
The element <div>Monetization</div> falls outside the viewport.
The element <div>Link Building</div> falls outside the viewport.
The element <div>On Page Optimization</div> falls outside the viewport.
The element <div>Page Titles</div> falls outside the viewport.
The element <div>Pay Per Click / AdWords</div> falls outside the viewport.
The element <div>Search Engines / Google</div> falls outside the viewport.
The element <div>Selling SEO Services</div> falls outside the viewport.
The element <div>Social Interaction</div> falls outside the viewport.
The element <div>Tracking Results</div> falls outside the viewport.
The element <div>Usability</div> falls outside the viewport.
The element <div>Web Directories</div> falls outside the viewport.
The element <div>Website Credibility</div> falls outside the viewport.
The element <div>Website Design</div> falls outside the viewport.
The element <div>Website Hosting</div> falls outside the viewport.
The element <div>Why Search is…keting Channel</div> falls outside the viewport.

seobook.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 121
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htm..."

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

Line: 3 Column: 122 - 95
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."

The “version” attribute on the “html” element is obsolete. You can safely omit it.

Line: 3 Column: 122 - 95
"...onal.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" version="XHTML+RDFa 1.0" dir="ltr"> <hea..."

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Line: 5 Column: 96 - 51
"...dir="ltr"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."

The “align” attribute on the “div” element is obsolete. Use CSS instead.

Line: 57 Column: 1 - 61
"...iv> --> <div id="primer" align="center" class="page with-navigation"> <!-..." Line: 61 Column: 1 - 30
"...START --> <div id="header" align="left"> <di..." Line: 66 Column: 5 - 37
"...tra"> <div class="links" align="right"> ..." Line: 87 Column: 3 - 34
"...></div> <div class="links" align="left"> <..." Line: 150 Column: 1 - 44
"... PAGE --> <div id="binder" class="round" align="left"> <div ..." Line: 190 Column: 13 - 78
"... <div align="right" style="padding-top: 8px; padding-right: 10px;"><a hre..." Line: 201 Column: 1 - 148
"... in</div> <div style="border-top: 1px solid #e6e8e2; border-bottom: 1px solid #e6e8e2; padding: 30px 0px 30px 0px; margin: 0px 20px 0px 20px;" align="center"><img s..." Line: 250 Column: 3 - 85
"...nd"> <div style="padding: -0px 0px 0px 0px; margin: 0px 20px 20px 20px;" align="center"> <..." Line: 253 Column: 3 - 58
"... </div> <div style="margin: 0px auto 0px auto;" align="justify"> <p>..." Line: 262 Column: 3 - 84
"... <div align="center" style="padding: 10px 0px 0px 10px; margin: 0px 0px 20px 0px;"> ..." Line: 278 Column: 1 - 45
"...debar"> <div class="ribbon-fold-right" align="right"><img s..." Line: 349 Column: 3 - 38
"...ooter"> <div class="container" align="left"> ..." Line: 385 Column: 5 - 36
"...div> <div class="nav" align="center"> ..." Line: 401 Column: 5 - 39
"...div> <div class="credit" align="center"> ..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 86 Column: 66 - 96
"...ds.shtml"><img src="/img/icon-rss.png" /></a><a..." Line: 86 Column: 142 - 176
".../seobook"><img src="/img/icon-twitter.png" /></a></..." Line: 159 Column: 122 - 156
"...m: 20px;"><img src="/img/home-experts.png" /></div>..." Line: 166 Column: 1 - 80
"...ribe"> <img src="/img/button-subscribe-blue.png" border="0" style="margin-top: 0px;" /></a></..." Line: 181 Column: 17 - 97
"... <img src="/img/badge-new.png" style="float: right; margin: 0px 0px 10px 12px;" /> ..." Line: 190 Column: 118 - 168
"...om/join/"><img src="/img/button-tour-small.png" border="0" /></a></..." Line: 201 Column: 149 - 183
"...="center"><img src="/img/home-as-seen.png" /></div>..." Line: 278 Column: 46 - 85
"...n="right"><img src="/img/ribbon-blue-right.png" /></div>..." Line: 318 Column: 213 - 374
"...="round" ><img src="http://www.seobook.com/sites/all/themes/seobook/images/register-now.png" style="margin-left: 20px; margin-top: 20px; margin-bottom: 20px;" border="0" /></a> ..." Line: 337 Column: 64 - 111
".../seobook"><img src="/img/footer-twitter.png" border="0" /></a></..." Line: 381 Column: 46 - 128
"...om/join/"><img src="/img/button-subscribe-footer.png" border="0" style="margin-top: 10px;" /></a> ..." Line: 402 Column: 7 - 35
"...r"> <img src="/img/logo-o.png" /><br />..."

The “font” element is obsolete. Use CSS instead.

Line: 162 Column: 390 - 411
"...ON: NONE"><font color="#333333">Aaron ..."

Element “object” is missing one or more of the following attributes: “data”, “type”.

Line: 265 Column: 3 - 35
"...round"> <object width="400" height="321"><param..."

Stray start tag “div”.

Line: 421 Column: 1 - 55
"...> </html> <div align="center" style="width: 100%; display: none"> <..."

Cannot recover after last error. Any further errors will be ignored.

Line: 421 Column: 1 - 55
"...> </html> <div align="center" style="width: 100%; display: none"> <..."

Warnings

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 63 Column: 17 - 69
"... href="/"><img src="/img/logo.png" alt="SEO Book" border="0" /></a> ..." Line: 166 Column: 1 - 80
"...ribe"> <img src="/img/button-subscribe-blue.png" border="0" style="margin-top: 0px;" /></a></..." Line: 190 Column: 118 - 168
"...om/join/"><img src="/img/button-tour-small.png" border="0" /></a></..." Line: 207 Column: 84 - 149
"...toolbar/"><img src="/img/home-screen-1.png" border="0" alt="SEO Toolbar." /></a></..." Line: 211 Column: 93 - 159
"...checker/"><img src="/img/home-screen-2.png" alt="Rank Checker." border="0" /></a></..." Line: 220 Column: 75 - 141
"...ook.com/"><img src="/img/home-screen-4.png" border="0" alt="SEO Training." /></a></..." Line: 225 Column: 76 - 143
"...ook.com/"><img src="/img/home-screen-5.png" border="0" alt="SEO Community." /></a></..." Line: 318 Column: 213 - 374
"...="round" ><img src="http://www.seobook.com/sites/all/themes/seobook/images/register-now.png" style="margin-left: 20px; margin-top: 20px; margin-bottom: 20px;" border="0" /></a> ..." Line: 337 Column: 64 - 111
".../seobook"><img src="/img/footer-twitter.png" border="0" /></a></..." Line: 381 Column: 46 - 128
"...om/join/"><img src="/img/button-subscribe-footer.png" border="0" style="margin-top: 10px;" /></a> ..."

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seobook.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

seobook.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

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seobook.com desktop page speed rank

seobook.com Desktop Speed Test Quick Summary

priority - 10Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 95.4KiB (67% reduction).

priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 4Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 39KiB (31% reduction).

priority - 3Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 20.7KiB (27% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 1.6KiB (11% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1KiB (25% reduction).

seobook.com Desktop Resource Breakdown

seobook.com mobile page speed rank

seobook.com Mobile Speed Test Quick Summary

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 10Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 95.4KiB (67% reduction).

priority - 4Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 3Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 33.3KiB (28% reduction).

priority - 2Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 20.7KiB (27% reduction).

priority - 0Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 1.6KiB (11% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1KiB (25% reduction).

seobook.com Mobile Resource Breakdown

seobook.com mobile page usability

seobook.com Mobile Usability Test Quick Summary

priority - 31Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

priority - 13Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 3Avoid plugins

Your page uses plugins, which prevents portions of your page from being used on many platforms. Find alternatives for plugin based content to increase compatibility.

Find alternatives for the following Flash plugins.

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 989 CSS pixels wide, but the viewport is only 980 CSS pixels wide. The following elements fall outside the viewport:

seobook.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

The “align” attribute on the “div” element is obsolete. Use CSS instead.