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43 pytorch.org Last Updated: 6 months

Success 63% of passed verification steps

Warning 7% of total warning

Errors 30% of total errors, require fast action

Mobile

Performance Desktop Score 98%

Best Practices Desktop Score 92%

SEO Desktop Score 70%

Progressive Web App Desktop Score 54%

Performance Mobile Score 74%

Best Practices Mobile Score 85%

SEO Mobile Score 74%

Progressive Web App Mobile Score 56%

Page Authority Authority 57%

Domain Authority Domain Authority 57%

Moz Rank 5.7/10

Bounce Rate Rate 0%

Charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 27 Characters

PYTORCH

Meta Description 0 Characters

NO DATA

Effective URL 19 Characters

https://pytorch.org

Excerpt Page content

PyTorch Get Started Ecosystem Models (Beta) ...

Keywords Cloud Density

pytorch30 learning10 ecosystem8 cloud8 resources8 tutorials8 more7 deep6 features6 docs6

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
pytorch	30
learning	10
ecosystem	8
cloud	8
resources	8
tutorials	8
more	7
deep	6
features	6
docs	6

Google Preview Your look like this in google search result

PYTORCH

https://pytorch.org

PyTorch Get Started Ecosystem Models (Beta) ...

Robots.txt File Detected

http://pytorch.org/robots.txt

Sitemap.xml File No Found

http://pytorch.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: 2020-02-18 / 8 months

Create on: 2016-08-15 / 4 years

Expires on: 2021-08-15 / 9 months 23 days

RegistrarSEC LLC ,US

Registrar Whois Server: whois.registrarsec.com

Registrar URL: https://www.registrarsec.com

Nameservers

ISLA.NS.CLOUDFLARE.COM

VICK.NS.CLOUDFLARE.COM

Page Size Code & Text Ratio

Document Size: ~34.79 KB

Code Size: ~22.44 KB

Text Size: ~12.35 KB Ratio: 35.50%

Estimation Traffic and Earnings

Only Registered Users

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Technologies

Twitter

Widgets

Varnish

Cache Tools

PWA - Manifest

Manifest is not valid

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

Desktop

First Meaningful Paint 0.8 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 73 requests • 801 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 49 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 120 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 1.7 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Links do not have descriptive text 1 link 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 35 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 100 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

Server response times are low (TTFB) Root document took 90 ms

Time To First Byte identifies the time at which your server sends a response

Eliminate render-blocking resources Potential savings of 490 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 44 KB

Optimized images load faster and consume less cellular data

Minimize third-party usage Third-party code blocked the main thread for 60 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 70 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.3 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

Properly size images Potential savings of 32 KB

Serve images that are appropriately-sized to save cellular data and improve load time

Speed Index 0.8 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 1.4 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 801 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimizes main-thread work 1.1 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 0.7 s

First Contentful Paint marks the time at which the first text or image is painted

Avoid chaining critical requests 21 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 483 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)

Mobile

Serve static assets with an efficient cache policy 49 resources found

A long cache lifetime can speed up repeat visits to your page

Max Potential First Input Delay 170 ms

The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task

Time to Interactive 6.6 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Links do not have descriptive text 1 link 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 40 ms

First Contentful Paint (3G) 5471 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 92% 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 98.78% 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 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 100 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

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 1,800 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 44 KB

Optimized images load faster and consume less cellular data

Minimize third-party usage Third-party code blocked the main thread for 70 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 350 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

JavaScript execution time 0.9 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 2.7 s

Speed Index shows how quickly the contents of a page are visibly populated

First CPU Idle 6.1 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 801 KB

Large network payloads cost users real money and are highly correlated with long load times

Minimize main-thread work 2.3 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First Contentful Paint 2.7 s

First Contentful Paint marks the time at which the first text or image is painted

Avoid chaining critical requests 21 chains found

Avoids an excessive DOM size 483 elements

First Meaningful Paint 3.0 s

First Meaningful Paint measures when the primary content of a page is visible

Keep request counts low and transfer sizes small 73 requests • 801 KB

To set budgets for the quantity and size of page resources, add a budget.json file

Speed And Optimization Tips

Only Registered Users

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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
Server: GitHub.com
Content-Type: text/html; charset=utf-8
X-Origin-Cache: 1
Last-Modified: Wed, 22 Apr 2020 23:37:07 GMT
ETag: W/"5ea0d523-8b11"
Access-Control-Allow-Origin: *
Expires: Thu, 23 Apr 2020 00:22:55 GMT
Cache-Control: max-age=600
Content-Encoding: gzip
X-Proxy-Cache: MISS
X-GitHub-Request-Id: CDB6:0C8D:7C994:9ECDF:5EA0DD86
Content-Length: 8699
Accept-Ranges: bytes
Date: Thu, 23 Apr 2020 00:15:06 GMT
Via: 1.1 varnish
Age: 0
Connection: keep-alive
X-Served-By: cache-ewr18143-EWR
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1587600906.231469,VS0,VE10
Vary: Accept-Encoding
X-Fastly-Request-ID: 90cd8e45b7e0eaf50dbe2b81af8a3387955c43d7

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	pytorch.org	185.199.108.153	IN	276
NS	pytorch.org	vick.ns.cloudflare.com	IN	86400
NS	pytorch.org	isla.ns.cloudflare.com	IN	86400
MX	pytorch.org	alt2.aspmx.l.google.com	IN	300
MX	pytorch.org	aspmx.l.google.com	IN	300
MX	pytorch.org	alt4.aspmx.l.google.com	IN	300
MX	pytorch.org	alt1.aspmx.l.google.com	IN	300
MX	pytorch.org	alt3.aspmx.l.google.com	IN	300
TXT	pytorch.org	v=spf1 include:_spf.google.com ~all	IN	300

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43 pytorch.org Last Updated: 6 months

Desktop

Mobile

Estimation Traffic and Earnings

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Technologies

Twitter

Varnish

PWA - Manifest

Desktop

Mobile

Speed And Optimization Tips

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Alexa Rank

0

Information Server

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