Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

chromatographytoday.com

Welcome to Chromatography Today

Page Load Speed

4.2 sec in total

First Response

191 ms

Resources Loaded

3.7 sec

Page Rendered

306 ms

About Website

Click here to check amazing Chromatography Today content for United States. Otherwise, check out these important facts you probably never knew about chromatographytoday.com

The Latest Chromatography news and articles from Chromatography Today. Researchers can read the latest and past articles published in Chromatography today

Visit chromatographytoday.com

Key Findings

We analyzed Chromatographytoday.com page load time and found that the first response time was 191 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

chromatographytoday.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

chromatographytoday.com

191 ms

chromatographytoday.com

323 ms

www.chromatographytoday.com

677 ms

jquery-3.6.4.min.js

41 ms

4ffdc26cb2.js

97 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 55% of them (44 requests) were addressed to the original Chromatographytoday.com, 13% (10 requests) were made to Fonts.gstatic.com and 6% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Chromatographytoday.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 190.9 kB (15%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chromatographytoday.com main page is 1.2 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. 70% of websites need less resources to load. Images take 658.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 147.0 kB

  • Original 171.4 kB
  • After minification 117.9 kB
  • After compression 24.4 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 53.5 kB, which is 31% 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 147.0 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 12.4 kB

  • Original 658.3 kB
  • After minification 645.9 kB

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. Chromatography Today images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 31.5 kB

  • Original 373.5 kB
  • After minification 373.5 kB
  • After compression 342.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 25 B

  • Original 35.1 kB
  • After minification 35.1 kB
  • After compression 35.1 kB

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. Chromatographytoday.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (27%)

Requests Now

67

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chromatography Today. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

chromatographytoday.com accessibility score

90

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

chromatographytoday.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chromatographytoday.com SEO score

90

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Chromatographytoday.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 Chromatographytoday.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 Chromatography Today. 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: