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Top Technologies

Nginx
Web Servers
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Google Font API
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Apache
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Web Frameworks

14 tripadvisor.fr Last Updated: 9 months

Success 55% of passed verification steps
Warning 15% of total warning
Errors 30% of total errors, require fast action

Desktop

Mobile

Performance Desktop Score 23%
Best Practices Desktop Score 69%
SEO Desktop Score 91%
Progressive Web App Desktop Score 19%
Performance Mobile Score 2%
Best Practices Mobile Score 69%
SEO Mobile Score 91%
Progressive Web App Mobile Score 33%
Page Authority Authority 0%
Domain Authority Domain Authority 0%
Moz Rank 0.0/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 59 Characters
TRIPADVISOR - LISEZ DES AVIS, COMPAREZ LES PRIX ET RÉSERVEZ
Meta Description 291 Characters
La plus grande plateforme de voyage au monde. Parcourez des centaines de millions d'avis et d'opinions de voyageurs. Comparez les prix bas des hôtels, vols et croisières. Réservez des circuits et attractions populaires ou encore réservez des tables dans d'excellents restaurants.
Effective URL 26 Characters
https://www.tripadvisor.fr
Excerpt Page content
TripAdvisor - lisez des avis, comparez les prix et réservez ...
Google Preview Your look like this in google search result
TRIPADVISOR - LISEZ DES AVIS, COMPAREZ LES PRIX ET RÉSERVEZ
https://www.tripadvisor.fr
La plus grande plateforme de voyage au monde. Parcourez des centaines de millions d'avis et d'opinions de voyageurs. Comparez les prix bas des
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: 1970-01-01 / 51 years
Create on: 2005-06-03 / 15 years
Expires on: 2019-11-28 / 9 months 25 days

CSC CORPORATE DOMAINS INC. CSC CORPORATE DOMAINS INC. CSC CORPORATE DOMAINS INC. CSC CORPORATE DOMAINS INC. CSC CORPORATE DOMAINS INC. ,US FR FR US
Registrar Email: [email protected]
Registrar Address: 251 Little Falls Drive DE 19808 WILMINGTON TripAdvisor France SAS 58-60, rue de Prony and 85 rue Jouffroy 75017 Paris TripAdvisor France SAS 58-60, rue de Prony and 85 rue Jouffroy 75017 Paris TripAdvisor LLC 141 Needham Street 02464 Newton MA ,

Nameservers
ns1.p10.dynect.net
ns2.p10.dynect.net
ns3.p10.dynect.net
ns4.p10.dynect.net
pdns1.ultradns.net
pdns2.ultradns.net
pdns3.ultradns.org
pdns4.ultradns.org
Page Size Code & Text Ratio
Document Size: ~218.21 KB
Code Size: ~136.45 KB
Text Size: ~81.76 KB Ratio: 37.47%

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
Reduce server response times (TTFB) Root document took 700 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 1,500 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 50 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 540 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 1.9 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 2 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
Properly size images Potential savings of 72 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 5.9 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 2,530 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 2.2 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 144 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
Avoid an excessive DOM size 2,901 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 2.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 510 requests • 2,530 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 33 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 500 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.1 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 on simulated mobile network at 25.8 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 90 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 36 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 113 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
Does not use HTTPS 3 insecure requests found
All sites should be protected with HTTPS, even ones that don't handle sensitive data. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs
User Timing marks and measures 79 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Mobile

Mobile Screenshot
Reduce server response times (TTFB) Root document took 700 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 4,860 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Reduce the impact of third-party code Third-party code blocked the main thread for 1,250 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 4,400 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 8.3 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
Defer offscreen images Potential savings of 68 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Speed Index 15.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 25.3 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 2,998 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 17.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 7.6 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 144 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
Avoid an excessive DOM size 2,796 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 7.6 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 502 requests • 2,998 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 21 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 1,860 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 30.6 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
Page load is not fast enough on mobile networks Interactive at 30.6 s
A fast page load over a cellular network ensures a good mobile user experience
Estimated Input Latency 1,100 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
First Contentful Paint (3G) 16440 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Tap targets are not sized appropriately 87% 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 94.73% 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 37 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
User Timing marks and measures 80 user timings
Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

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: Tue, 17 Dec 2019 03:46:02 GMT
Server: Apache
P3P: CP="NOI CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT DSP COR CAO PSA IDC ADM DEVi TAIi PSD IVAi IVDi CONi HIS CNT"
Content-Language: fr
Link: ;rel="preconnect";crossorigin
Link: ;rel="dns-prefetch"
Vary: User-Agent,Accept-Encoding
cache-control: no-cache,no-store,must-revalidate
expires: 0
pragma: no-cache
Timing-Allow-Origin: https://www.tripadvisor.com
Content-Encoding: gzip
Content-Length: 20
Content-Type: text/html;charset=UTF-8
DNS Records DNS Resource Records associated with a hostname
View DNS Records

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