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Web Frameworks

87 python.org Last Updated: 11 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 97%
Best Practices Desktop Score 92%
SEO Desktop Score 90%
Progressive Web App Desktop Score 58%
Performance Mobile Score 81%
Best Practices Mobile Score 85%
SEO Mobile Score 90%
Progressive Web App Mobile Score 59%
Page Authority Authority 72%
Domain Authority Domain Authority 89%
Moz Rank 7.2/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 21 Characters
WELCOME TO PYTHON.ORG
Meta Description 52 Characters
The official home of the Python Programming Language
Effective URL 22 Characters
https://www.python.org
Excerpt Page content
Welcome to Python.org Notice: While Javascript is not essential for this website, your interactio...
Keywords Cloud Density
python56 more11 events11 community11 news11 software7 docs7 pycon6 other6 print6
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
python 56
more 11
events 11
community 11
news 11
software 7
docs 7
pycon 6
other 6
print 6
Google Preview Your look like this in google search result
WELCOME TO PYTHON.ORG
https://www.python.org
The official home of the Python Programming Language
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: 2019-02-25 / 2 years
Create on: 1995-03-27 / 26 years
Expires on: 2020-03-28 / 7 months 5 days

Gandi SAS ,US
Registrar Whois Server: whois.gandi.net
Registrar URL: http://www.gandi.net

Nameservers
NS3.P11.DYNECT.NET
NS1.P11.DYNECT.NET
NS2.P11.DYNECT.NET
NS4.P11.DYNECT.NET
Page Size Code & Text Ratio
Document Size: ~48.5 KB
Code Size: ~31.46 KB
Text Size: ~17.04 KB Ratio: 35.13%

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
Serve static assets with an efficient cache policy 14 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 40 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 1.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text 6 links found
Descriptive link text helps search engines understand your content
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 99 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
Server response times are low (TTFB) Root document took 100 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 290 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Enable text compression Potential savings of 81 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
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
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 0.2 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 0.9 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.1 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 492 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 0.9 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 13 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 688 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 1.1 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 30 requests • 506 KB
To set budgets for the quantity and size of page resources, add a budget.json file

Mobile

Mobile Screenshot
Avoid chaining critical requests 13 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 665 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 3.9 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 24 requests • 500 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 14 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 90 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 4.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Links do not have descriptive text 6 links found
Descriptive link text helps search engines understand your content
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
First Contentful Paint (3G) 7665 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 96% 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 98.67% 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 100 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
Server response times are low (TTFB) Root document took 30 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 690 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Enable text compression Potential savings of 81 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes
Minimize third-party usage Third-party code blocked the main thread for 120 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 50 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.5 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 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 3.9 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 487 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 3.4 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

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
Connection: keep-alive
Content-Length: 49660
Server: nginx
Content-Type: text/html; charset=utf-8
X-Frame-Options: DENY
Via: 1.1 vegur
Via: 1.1 varnish
Accept-Ranges: bytes
Date: Tue, 26 Nov 2019 13:04:49 GMT
Via: 1.1 varnish
Age: 649
X-Served-By: cache-iad2146-IAD, cache-lga21941-LGA
X-Cache: HIT, HIT
X-Cache-Hits: 2, 1
X-Timer: S1574773490.851894,VS0,VE12
Vary: Cookie
Strict-Transport-Security: max-age=63072000; includeSubDomains
DNS Records DNS Resource Records associated with a hostname
View DNS Records

Comments

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