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73 wikibooks.org Last Updated: 1 year

Success 78% of passed verification steps
Warning 15% of total warning
Errors 7% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 100%
Best Practices Desktop Score 85%
SEO Desktop Score 100%
Progressive Web App Desktop Score 54%
Performance Mobile Score 100%
Best Practices Mobile Score 92%
SEO Mobile Score 86%
Progressive Web App Mobile Score 56%
Page Authority Authority 61%
Domain Authority Domain Authority 84%
Moz Rank 6.1/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 9 Characters
WIKIBOOKS
Meta Description 105 Characters
Wikibooks is a Wikimedia community creating a--- library of educational textbooks that anyone can edit.
Effective URL 25 Characters
https://www.wikibooks.org
Excerpt Page content
Wikibooks Wikibooks English Open-content textbooks 83 000+ pages Deutsch Inhaltsoffene Lehrbücher 26 000+ Seiten 日本語 フリー教科書 11 000+ 項目 Español Libros de contenido libre 8 000+ páginas Bahasa Indonesia Buku beb...
Keywords Cloud Density
000+10 bahasa4 italiano3 español3 português3 français3 indonesia3 polski3 فارسی3 english3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
000+ 10
bahasa 4
italiano 3
español 3
português 3
français 3
indonesia 3
polski 3
فارسی 3
english 3
Google Preview Your look like this in google search result
WIKIBOOKS
https://www.wikibooks.org
Wikibooks is a Wikimedia community creating a--- library of educational textbooks that anyone can edit.
Robots.txt File Detected
http://wikibooks.org/robots.txt
Sitemap.xml File Detected
http://wikibooks.org/sitemap.xml
Whois Is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system
Updated: 2012-05-09 / 9 years
Create on: 2003-07-19 / 17 years
Expires on: 2021-07-19 / 6 months 3 days

MarkMonitor Inc. ,US
Registrar Whois Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com

Nameservers
NS0.WIKIMEDIA.ORG
NS1.WIKIMEDIA.ORG
NS2.WIKIMEDIA.ORG
Page Size Code & Text Ratio
Document Size: ~20.13 KB
Code Size: ~17.07 KB
Text Size: ~3.06 KB Ratio: 15.22%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Speed Index 0.5 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 0.5 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 67 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.2 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 0.5 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 1 chain found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 344 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
First Meaningful Paint 0.5 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 19 requests • 67 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 17 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 0.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Server response times are low (TTFB) Root document took 60 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 170 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Mobile

Mobile Screenshot
Server response times are low (TTFB) Root document took 20 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 400 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 4 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Speed Index 1.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.6 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 116 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.6 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 1 chain found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 344 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
First Meaningful Paint 1.6 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 19 requests • 116 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 18 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 20 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 1.6 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
First Contentful Paint (3G) 3060 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Tap targets are not sized appropriately 38% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document doesn't use legible font sizes 33.58% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Serve images in next-gen formats Potential savings of 24 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server 
HTTP/1.1 200 OK
Date: Wed, 27 Nov 2019 23:14:07 GMT
Etag: "4ecd-594dc6568cae4"
Cache-Control: s-maxage=86400, must-revalidate, max-age=3600
Server: ATS/8.0.5
X-ATS-Timestamp: 1574896447
Last-Modified: Mon, 14 Oct 2019 10:33:18 GMT
Backend-Timing: D=353 t=1574298233863081
Content-Type: text/html
Content-Encoding: gzip
Vary: Accept-Encoding
X-Varnish: 457939169 435606821, 465254322 739394656
Content-Length: 5090
Age: 32405
X-Cache: cp1079 hit, cp1083 hit/35
X-Cache-Status: hit-front
Server-Timing: cache;desc="hit-front"
Strict-Transport-Security: max-age=106384710; includeSubDomains; preload
Set-Cookie: WMF-Last-Access=28-Nov-2019;Path=/;HttpOnly;secure;Expires=Mon, 30 Dec 2019 00:00:00 GMT
Set-Cookie: WMF-Last-Access-Global=28-Nov-2019;Path=/;Domain=.wikibooks.org;HttpOnly;secure;Expires=Mon, 30 Dec 2019 00:00:00 GMT
X-Analytics: https=1;nocookies=1
X-Client-IP: 35.226.1.23
Set-Cookie: GeoIP=US:VA::38.66:-77.25:v4; Path=/; secure; Domain=.wikibooks.org
Accept-Ranges: bytes
Connection: keep-alive
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A wikibooks.org 208.80.153.224 IN 579
NS wikibooks.org ns2.wikimedia.org IN 6446
NS wikibooks.org ns1.wikimedia.org IN 6446
NS wikibooks.org ns0.wikimedia.org IN 6446
MX wikibooks.org mx2001.wikimedia.org IN 2845
MX wikibooks.org mx1001.wikimedia.org IN 2845
TXT wikibooks.org google-site-verification=djm1t6aP_Yt6WNSj834eVqD83qomWtLP0_1NveYTBfU IN 599
TXT wikibooks.org v=spf1 include:wikimedia.org ~all IN 599
AAAA wikibooks.org 2620::861:ed1a:0:0:0:1 IN 579

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