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Web Frameworks

87 acs.org Last Updated: 2 years

Success 78% of passed verification steps

Warning 7% of total warning

Errors 15% of total errors, require fast action

Mobile

Performance Desktop Score 70%

Best Practices Desktop Score 69%

SEO Desktop Score 89%

Progressive Web App Desktop Score 27%

Performance Mobile Score 34%

Best Practices Mobile Score 69%

SEO Mobile Score 86%

Progressive Web App Mobile Score 30%

Page Authority Authority 61%

Domain Authority Domain Authority 89%

Moz Rank 6.1/10

Bounce Rate Rate 0%

Charset Encoding

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

Title Tag 25 Characters

AMERICAN CHEMICAL SOCIETY

Meta Description 46 Characters

American Chemical Society: Chemistry for Life.

Effective URL 39 Characters

https://www.acs.org/content/acs/en.html

Excerpt Page content

American Chemical Society ...

Keywords Cloud Density

chemistry24 awards12 more10 view9 career9 world7 learn6 scientific6 meetings6 resources6

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

Keyword	Freq	Title	Desc	Domain	H1	H2
chemistry	24
awards	12
more	10
view	9
career	9
world	7
learn	6
scientific	6
meetings	6
resources	6

Google Preview Your look like this in google search result

AMERICAN CHEMICAL SOCIETY

https://www.acs.org/content/acs/en.html

American Chemical Society: Chemistry for Life.

Robots.txt File Detected

http://acs.org/robots.txt

Sitemap.xml File Detected

http://acs.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: 2018-03-06 / 3 years

Create on: 1991-05-22 / 30 years

Expires on: 2021-05-23 / 0 months 26 days

Network Solutions, LLC ,US

Registrar Whois Server: whois.networksolutions.com

Registrar URL: http://www.networksolutions.com

Nameservers

DNS07.ACS.ORG

DNS02.ACS.ORG

DNS10.ACS.ORG

DNS11.ACS.ORG

Page Size Code & Text Ratio

Document Size: ~92.84 KB

Code Size: ~52.61 KB

Text Size: ~40.22 KB Ratio: 43.33%

Estimation Traffic and Earnings

Only Registered Users

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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

Keep request counts low and transfer sizes small 150 requests • 3,693 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 63 resources found

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

Max Potential First Input Delay 300 ms

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

Time to Interactive 4.6 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 on simulated mobile network at 22.0 s

A fast page load over a cellular network ensures a good mobile user experience

Estimated Input Latency 50 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 80 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

Uses deprecated APIs 1 warning found

Deprecated APIs will eventually be removed from the browser

Serve images in next-gen formats Potential savings of 1,658 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 120 ms

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

Eliminate render-blocking resources Potential savings of 410 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 301 KB

Optimized images load faster and consume less cellular data

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

Total Blocking Time 260 ms

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

JavaScript execution time 1.2 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

Defer offscreen images Potential savings of 1,807 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 150 KB

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

Speed Index 1.9 s

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

First CPU Idle 3.0 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 3,693 KB

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

Minimize main-thread work 2.5 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 7 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

Avoid an excessive DOM size 952 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 181 KB

Minifying JavaScript files can reduce payload sizes and script parse time

First Meaningful Paint 0.9 s

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

Mobile

Reduce the impact of third-party code Third-party code blocked the main thread for 610 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 1,070 ms

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

Reduce JavaScript execution time 3.6 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 291 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 6.0 s

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

First CPU Idle 13.9 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).

Avoid enormous network payloads Total size was 3,384 KB

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

Minimize main-thread work 6.0 s

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

First Contentful Paint 3.3 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 7 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

Avoid an excessive DOM size 944 elements

Minify JavaScript Potential savings of 181 KB

Minifying JavaScript files can reduce payload sizes and script parse time

First Meaningful Paint 3.3 s

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

Keep request counts low and transfer sizes small 145 requests • 3,384 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 62 resources found

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

Max Potential First Input Delay 480 ms

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

Time to Interactive 15.5 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 15.5 s

A fast page load over a cellular network ensures a good mobile user experience

First Contentful Paint (3G) 6747 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 170 ms

Tap targets are not sized appropriately 48% 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 100% 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 81 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

Uses deprecated APIs 1 warning found

Deprecated APIs will eventually be removed from the browser

Serve images in next-gen formats Potential savings of 1,466 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 70 ms

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

Eliminate render-blocking resources Potential savings of 1,640 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 301 KB

Optimized images load faster and consume less cellular data

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
Date: Thu, 28 Nov 2019 07:02:06 GMT
Server: Apache/2.4.6 (Red Hat Enterprise Linux) OpenSSL/1.0.2k-fips Communique/4.3.2
X-Frame-Options: SAMEORIGIN
Last-Modified: Wed, 27 Nov 2019 21:24:14 GMT
Vary: Accept-Encoding
Content-Encoding: gzip
Access-Control-Allow-Origin: *
X-Forwarded-For: 35.226.1.23
Incap-Client-IP: 35.226.1.23
Cache-Control: public, max-age=31536000
X-Country: US
X-State: Illinois
Accept-Ranges: none
Content-Length: 15317
Content-Type: text/html; charset=utf-8
Set-Cookie: visid_incap_2092311=rfSOKgM+RZW5igGOlfwkdO5w310AAAAAQUIPAAAAAAD7sTnfn5dLEM1IYypwoHQv; expires=Fri, 27 Nov 2020 06:17:58 GMT; path=/; Domain=.acs.org
Set-Cookie: nlbi_2092311=erZ0MbHluTq2tonyp5fEZAAAAACGuKzcge8R7c5veYdzkyiu; path=/; Domain=.acs.org
Set-Cookie: incap_ses_1002_2092311=EOHNKDlWiigXDiElnNLnDe5w310AAAAAirWrjI9vnbGGXbuer1Y7gQ==; path=/; Domain=.acs.org
Set-Cookie: ___utmvmNMuzYkMB=SBesIkUAnQN; path=/; Max-Age=900
Set-Cookie: ___utmvaNMuzYkMB=LgxEJPB; path=/; Max-Age=900
Set-Cookie: ___utmvbNMuzYkMB=VZG
    XjROmalP: XtW; path=/; Max-Age=900
X-CDN: Incapsula
X-Iinfo: 5-75622496-75622490 PNNN RT(1574924526232 20) q(0 0 0 -1) r(0 0) U5

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	acs.org	45.60.136.135	IN	3579
A	acs.org	45.60.77.135	IN	3579
NS	acs.org	dns07.acs.org	IN	3579
NS	acs.org	dns10.acs.org	IN	3579
NS	acs.org	dns11.acs.org	IN	3579
NS	acs.org	dns02.acs.org	IN	3579
MX	acs.org	mx2.acs.iphmx.com	IN	3579
MX	acs.org	mx1.acs.iphmx.com	IN	3579
TXT	acs.org	_globalsign-domain-verification=2N0ZbAILZzMySieTI2kEUTzuw2jbGpUDAIDrlHCcR0	IN	3579
TXT	acs.org	_globalsign-domain-verification=nU8mdAanRZ7kA72JWqcYNlj7_KybQDS4qy3ybB1eBY	IN	3579
TXT	acs.org	v=spf1 ip4:198.29.7.0/24 ip4:64.124.29.0/24 ip4:206.132.28.0/24 ip4:98.173.183.158 ip4:216.54.194.78 ip4:64.14.182.170 ip4:209.240.82.128/29 ip4:204.144.151.225 ip4:72.18.216.96/28 ip4:66.231.180.192/27 include:fathompbm.net include:mxlogic.net -all	IN	3579
TXT	acs.org	dnmnufjr95htel11sno0tj9lhb	IN	3579

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87 acs.org Last Updated: 2 years

Desktop

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PWA - Manifest

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Speed And Optimization Tips

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Alexa Rank

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Information Server

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