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Top Technologies

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Web Frameworks

91 cambridge.org Last Updated: 9 months

Success 70% of passed verification steps
Warning 7% of total warning
Errors 23% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 75%
Best Practices Desktop Score 69%
SEO Desktop Score 90%
Progressive Web App Desktop Score 54%
Performance Mobile Score 1%
Best Practices Mobile Score 69%
SEO Mobile Score 88%
Progressive Web App Mobile Score 30%
Page Authority Authority 62%
Domain Authority Domain Authority 93%
Moz Rank 6.2/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 33 Characters
HOME | CAMBRIDGE UNIVERSITY PRESS
Meta Description 78 Characters
Cambridge University Press advances learning, knowledge and research worldwide
Effective URL 25 Characters
https://www.cambridge.org
Excerpt Page content
Home | Cambridge University Press Open global navigationCambridge University PressCambridge University PressAcademicCambridge Core (Institutional access)Books Catalogue (Individuals)Cambridge EnglishEducationB...
Keywords Cloud Density
cambridge18 more13 education9 english9 learn8 visit7 dictionary6 academic6 press5 learners5
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
cambridge 18
more 13
education 9
english 9
learn 8
visit 7
dictionary 6
academic 6
press 5
learners 5
Google Preview Your look like this in google search result
HOME | CAMBRIDGE UNIVERSITY PRESS
https://www.cambridge.org
Cambridge University Press advances learning, knowledge and research worldwide
Robots.txt File Detected
Sitemap.xml File No Found
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: 2019-03-07 / 2 years
Create on: 1998-04-18 / 22 years
Expires on: 2022-12-30 / 27 months 16 days

CSC Corporate Domains, Inc. ,GB
Registrar Whois Server: whois.cscglobal.com
Registrar URL: www.cscglobal.com/global/web/csc/digital-brand

Nameservers
NS2.NETNAMES.NET
NS1.NETNAMES.NET
NS5.NETNAMES.NET
NS6.NETNAMES.NET
Page Size Code & Text Ratio
Document Size: ~55.64 KB
Code Size: ~54.12 KB
Text Size: ~1.52 KB Ratio: 2.74%

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 0.1 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 2.8 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).
Avoid enormous network payloads Total size was 3,480 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.7 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.1 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 23 chains 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 462 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)
Minify JavaScript Potential savings of 6 KB
Minifying JavaScript files can reduce payload sizes and script parse time
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 86 requests • 3,480 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 71 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
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
Remove unused CSS Potential savings of 10 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 387 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
Reduce server response times (TTFB) Root document took 3,040 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,070 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Efficiently encode images Potential savings of 46 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading

Mobile

Mobile Screenshot
Serve static assets with an efficient cache policy 128 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 150 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 23.1 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
Page load is not fast enough on mobile networks Interactive at 23.1 s
A fast page load over a cellular network ensures a good mobile user experience
First Contentful Paint (3G) 29010 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 20 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 65% 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 uses legible font sizes 96.66% 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
Remove unused CSS Potential savings of 11 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Reduce server response times (TTFB) Root document took 2,970 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 2,700 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Minimize third-party usage Third-party code blocked the main thread for 170 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.0 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 45 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 20.8 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 14.8 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).
Avoid enormous network payloads Total size was 6,080 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 14.7 s
First Contentful Paint marks the time at which the first text or image is painted
Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 23 chains 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 470 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)
Minify JavaScript Potential savings of 6 KB
Minifying JavaScript files can reduce payload sizes and script parse time
First Meaningful Paint 14.8 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 208 requests • 6,080 KB
To set budgets for the quantity and size of page resources, add a budget.json file

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, 25 Dec 2019 05:03:35 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Set-Cookie: __cfduid=d749d5771623f231ce89ff0915ee43ee41577250211; expires=Fri, 24-Jan-20 05:03:31 GMT; path=/; domain=.cambridge.org; HttpOnly; SameSite=Lax
Vary: Accept-Encoding
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Set-Cookie: X-Mapping-nogbefbf=39FD6530CA2B3EDCDF8DCC3974BABE21; path=/
Set-Cookie: CONCRETE5=gn4e5u6e9n317rrqfq9gkaab57; path=/
Set-Cookie: localeChecker=USER__167.172.22.30__0__Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F70.0.3538.77+Safari%2F537.36; expires=Wed, 25-Dec-2019 06:03:31 GMT; path=/; httponly
Set-Cookie: localeChecker=IP__167.172.22.30__0__Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%29+AppleWebKit%2F537.36+%28KHTML%2C+like+Gecko%29+Chrome%2F70.0.3538.77+Safari%2F537.36; expires=Wed, 25-Dec-2019 06:03:31 GMT; path=/; httponly
Set-Cookie: preferredLocale=en_GB; path=/
Set-Cookie: preferredCountry=GB; path=/
Set-Cookie: locale=en_GB; path=/
Set-Cookie: locale=en_GB; expires=Wed, 25-Dec-2019 04:03:31 GMT; path=/
Set-Cookie: preferredLocale=en_GB; path=/
Set-Cookie: preferredCountry=GB; path=/
Set-Cookie: isLoggedIn=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/; domain=www.cambridge.org; httponly
Set-Cookie: isLoggedIn-IE=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT
Set-Cookie: EULAW=1; expires=Thu, 24-Dec-2020 05:03:35 GMT; path=/
X-Frame-Options: sameorigin
X-UA-Compatible: IE=edge,chrome=1
X-Served-From: aws
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 54a844ddcee4c5c0-EWR
Content-Encoding: gzip
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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