Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

princetonappliedresearch.com

AMETEK SI | Electrochemistry | Potentiostat | Battery Analyser | FRA

Page Load Speed

2.2 sec in total

First Response

177 ms

Resources Loaded

1.8 sec

Page Rendered

212 ms

About Website

Welcome to princetonappliedresearch.com homepage info - get ready to check Princetonappliedresearch best content for United States right away, or after learning these important things about princetonappliedresearch.com

AMETEK SI - leader in manufacturing single, bipot and multichannel potentiostat galvanostat , battery analyzer and frequency response analyzer. Reliable, powerful and accurate electrochemistry instrum...

Visit princetonappliedresearch.com

Key Findings

We analyzed Princetonappliedresearch.com page load time and found that the first response time was 177 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

princetonappliedresearch.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

princetonappliedresearch.com

177 ms

www.ameteksi.com

536 ms

googleConsent.js

130 ms

OtAutoBlock.js

49 ms

otSDKStub.js

64 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Princetonappliedresearch.com, 92% (58 requests) were made to Ameteksi.com and 5% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (812 ms) relates to the external source Ameteksi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 127.3 kB (6%)

Content Size

2.2 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Princetonappliedresearch.com main page is 2.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 75.7 kB

  • Original 102.7 kB
  • After minification 87.4 kB
  • After compression 27.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 15.4 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 75.7 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 259 B

  • Original 1.9 MB
  • After minification 1.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Princetonappliedresearch images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 50.5 kB

  • Original 246.1 kB
  • After minification 246.0 kB
  • After compression 195.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 50.5 kB or 21% of the original size.

CSS Optimization

-59%

Potential reduce by 906 B

  • Original 1.5 kB
  • After minification 1.0 kB
  • After compression 622 B

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Princetonappliedresearch.com needs all CSS files to be minified and compressed as it can save up to 906 B or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (42%)

Requests Now

55

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Princetonappliedresearch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

princetonappliedresearch.com accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

princetonappliedresearch.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

princetonappliedresearch.com SEO score

64

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Princetonappliedresearch.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Princetonappliedresearch.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Princetonappliedresearch. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: