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34 thinkster.io Last Updated: 8 months

Success 62% of passed verification steps
Warning 15% of total warning
Errors 23% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 85%
Best Practices Desktop Score 85%
SEO Desktop Score 91%
Progressive Web App Desktop Score 58%
Performance Mobile Score 26%
Best Practices Mobile Score 85%
SEO Mobile Score 92%
Progressive Web App Mobile Score 59%
Page Authority Authority 45%
Domain Authority Domain Authority 45%
Moz Rank 4.5/10
Bounce Rate Rate 0%
Title Tag 9 Characters
THINKSTER
Meta Description 105 Characters
The best place on the web for tutorials and screencasts covering AngularJS, Ionic, Swift, MEAN, and more!
Effective URL 20 Characters
https://thinkster.io
Excerpt Page content
Thinkster TopicsProAboutSign in with Githubor via email A better way to learn ...
Google Preview Your look like this in google search result
THINKSTER
https://thinkster.io
The best place on the web for tutorials and screencasts covering AngularJS, Ionic, Swift, MEAN, and more!
Robots.txt File Detected
http://thinkster.io/robots.txt
Sitemap.xml File No Found
http://thinkster.io/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: 2017-07-03 / 3 years
Create on: 2013-07-03 / 7 years
Expires on: 2018-07-03 / 29 months 16 days

1API GmbH ,
Registrar Name: c/o WHOIStrustee.com Limited
Registrar Whois Server: whois.1api.net
Registrar URL: http://www.1api.net

Nameservers
IGOR.NS.CLOUDFLARE.COM
ZOE.NS.CLOUDFLARE.COM
Page Size Code & Text Ratio
Document Size: ~40.2 KB
Code Size: ~37.18 KB
Text Size: ~3.02 KB Ratio: 7.52%

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 40 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.4 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 453 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Properly size images Potential savings of 1,090 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.6 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.8 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).
Avoids enormous network payloads Total size was 2,418 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.9 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.3 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 6 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 12 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 370 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 1.3 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 67 requests • 2,418 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 6 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 2.0 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
Minify CSS Potential savings of 2 KB
Minifying CSS files can reduce network payload sizes
Remove unused CSS Potential savings of 53 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 686 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 440 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 550 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 20 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
Avoids enormous network payloads Total size was 2,436 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimize main-thread work 4.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 6.0 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 6 vulnerabilities detected
Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers
Avoid chaining critical requests 12 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 379 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 6.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 69 requests • 2,436 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 6 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 540 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 9.9 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) 12766 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 120 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
Minify CSS Potential savings of 2 KB
Minifying CSS files can reduce network payload sizes
Tap targets are sized appropriately 100% 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 98.29% 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 53 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 727 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 410 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 3,480 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 370 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 440 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce JavaScript execution time 2.1 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
Defer offscreen images Potential savings of 453 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Properly size images Potential savings of 714 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 7.1 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 8.3 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).

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
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Server: nginx
Date: Mon, 30 Mar 2020 16:33:16 GMT
Status: 200 OK
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: split=%7B%229_modal_experiment%22%3A%22variant-1%22%2C%22home_fullstack%22%3A%22with_button%22%7D; path=/; expires=Sun, 28 Jun 2020 16:33:16 -0000
Set-Cookie: CSRF-TOKEN=osKFPpA2zu9Uph5sTxjTMpbkCxDYgP99208QRTQj4VutiOgyJL5EOX%2BaYNsohWmDmQfS98YYzAXOa87Uu4t8wA%3D%3D; path=/
Set-Cookie: _thinkster_session=RytFMW9VZmgvamZxRmxBUEpVUUVFN2gvZEhlK0E0ZlppNzZvVE5kdkdCbG5Hc0t3N1g3T2E1bWJSeVEvdmEyWWlZa2g0K3VSRUY0ZmI5WFBJK1dvaVEvNzdJamM2VzVrenRtVHowYWJZamljaDluN1FZR09FWVNvNlh6WmRsK0NpRjBhb3kwVFZ1Z29iMWdjZlFkUHFBPT0tLXVSZkpreXh4alFFWUZUUFcyMFFneEE9PQ%3D%3D--cf48475b9774671694ba6d4d33a6419f83adad06; path=/; HttpOnly
X-Request-Id: b455bd05-e4fd-4703-9f69-7c4fdd01d36b
X-Runtime: 0.108667
Content-Encoding: gzip
Vary: Accept-Encoding
X-Cache: Miss from cloudfront
Via: 1.1 dd696cd34661639d03785ff59a76e693.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: IAD79-C1
X-Amz-Cf-Id: u_LI1_Sq3HrW0UbNLW5SD9rJgtSYlm1jeMawvJgHVoSLWjW2hVM2_A==
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A thinkster.io 13.224.215.33 IN 57
A thinkster.io 13.224.215.65 IN 57
A thinkster.io 13.224.215.8 IN 57
A thinkster.io 13.224.215.49 IN 57
NS thinkster.io carl.ns.cloudflare.com IN 86334
NS thinkster.io isla.ns.cloudflare.com IN 86334
MX thinkster.io alt1.aspmx.l.google.com IN 300
MX thinkster.io aspmx3.googlemail.com IN 300
MX thinkster.io aspmx2.googlemail.com IN 300
MX thinkster.io aspmx.l.google.com IN 300
MX thinkster.io alt2.aspmx.l.google.com IN 300
TXT thinkster.io google-site-verification=zEvdROj5x2Z6qSfN1WyIh04QmxAONOS1sOnL223tkdk IN 300
TXT thinkster.io ca3-ab17e5f85619410fadde7abc968f8acf IN 300
TXT thinkster.io infusionsoft-site-verification=yj685 IN 300
TXT thinkster.io v=spf1 include:_spf.google.com include:infusionmail.com include:spf.mandrillapp.com include:datadrivenemail.com include:_spf.firebasemail.com ~all IN 300

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