Tools & Wizards About Us
probechem.com screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

probechem.com

ProbeChem (inhibitors, antagonists, agonists)-ProbeChem.com

Page Load Speed

16.9 sec in total

First Response

2.8 sec

Resources Loaded

13.9 sec

Page Rendered

168 ms

probechem.com screenshot

About Website

Visit probechem.com now to see the best up-to-date Probe Chem content and also check out these interesting facts you probably never knew about probechem.com

Probechem (inhibitors, antagonists, agonists) with high quality and purity, chemical tool in various assays for drug discovery and biological research, potent, subtype selective, FDA approved small mo...

Visit probechem.com

Key Findings

We analyzed Probechem.com page load time and found that the first response time was 2.8 sec and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

probechem.com performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

probechem.com

2820 ms

public.css

4 ms

style.css

3431 ms

swiper.min.css

1301 ms

jquery.min.js

5139 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that all of those requests were addressed to Probechem.com and no external sources were called. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Probechem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.9 kB (35%)

Content Size

666.0 kB

After Optimization

430.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Probechem.com main page is 666.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 373.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 43.6 kB

  • Original 52.7 kB
  • After minification 38.1 kB
  • After compression 9.0 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 14.6 kB, which is 28% 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 43.6 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 29.7 kB

  • Original 373.3 kB
  • After minification 343.5 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. Probe Chem images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 61.1 kB

  • Original 118.4 kB
  • After minification 118.4 kB
  • After compression 57.3 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 61.1 kB or 52% of the original size.

CSS Optimization

-83%

Potential reduce by 101.4 kB

  • Original 121.7 kB
  • After minification 104.8 kB
  • After compression 20.2 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. Probechem.com needs all CSS files to be minified and compressed as it can save up to 101.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (7%)

Requests Now

54

After Optimization

50

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Probe Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

probechem.com

probechem.com

2820 ms

public.css

public.css

4 ms

style.css

style.css

3431 ms

swiper.min.css

swiper.min.css

1301 ms

jquery.min.js

jquery.min.js

5139 ms

swiper.min.js

swiper.min.js

4533 ms

font-awesome.css

font-awesome.css

1212 ms

diy.css

diy.css

652 ms

gqimg1.jpg

gqimg1.jpg

17 ms

close.jpg

close.jpg

17 ms

gqimg2.jpg

gqimg2.jpg

324 ms

gqimg3.jpg

gqimg3.jpg

18 ms

gqimg4.jpg

gqimg4.jpg

18 ms

gqimg5.jpg

gqimg5.jpg

347 ms

gqimg6.jpg

gqimg6.jpg

366 ms

gqimg7.jpg

gqimg7.jpg

346 ms

gqimg8.jpg

gqimg8.jpg

648 ms

gqimg9.jpg

gqimg9.jpg

630 ms

gqimg10.jpg

gqimg10.jpg

328 ms

gqimg11.jpg

gqimg11.jpg

335 ms

gqimg12.jpg

gqimg12.jpg

678 ms

gqimg13.jpg

gqimg13.jpg

349 ms

gqimg14.jpg

gqimg14.jpg

348 ms

gqimg15.jpg

gqimg15.jpg

701 ms

gqimg16.jpg

gqimg16.jpg

701 ms

gqimg17.jpg

gqimg17.jpg

713 ms

gqimg18.jpg

gqimg18.jpg

632 ms

gqimg19.jpg

gqimg19.jpg

634 ms

gqimg20.jpg

gqimg20.jpg

636 ms

gqimg21.jpg

gqimg21.jpg

639 ms

gqimg22.jpg

gqimg22.jpg

993 ms

gqimg23.jpg

gqimg23.jpg

650 ms

gqimg24.jpg

gqimg24.jpg

992 ms

gqimg25.jpg

gqimg25.jpg

680 ms

gqimg26.jpg

gqimg26.jpg

683 ms

gqimg27.jpg

gqimg27.jpg

1020 ms

gqimg28.jpg

gqimg28.jpg

1052 ms

logo.png

logo.png

1653 ms

logo_min.jpg

logo_min.jpg

714 ms

icon.png

icon.png

7983 ms

6819e47938504bdb907f887463cf47b1.jpg

6819e47938504bdb907f887463cf47b1.jpg

6595 ms

18d06c89c97a4a029a2a7c9cffca8b36.jpg

18d06c89c97a4a029a2a7c9cffca8b36.jpg

6212 ms

6b6e9c6c6dd7424b87a854cc964b4dba.jpg

6b6e9c6c6dd7424b87a854cc964b4dba.jpg

7195 ms

03e868d9377947e8b02a0f4c50772481.jpg

03e868d9377947e8b02a0f4c50772481.jpg

1379 ms

fotimg1.jpg

fotimg1.jpg

1721 ms

ftbotimg1.jpg

ftbotimg1.jpg

1984 ms

ftbotimg2.jpg

ftbotimg2.jpg

1707 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1747 ms

ftbotimg3.jpg

ftbotimg3.jpg

1704 ms

ftbotimg4.jpg

ftbotimg4.jpg

1708 ms

ftbotimg5.jpg

ftbotimg5.jpg

1704 ms

ftbotimg6.jpg

ftbotimg6.jpg

1696 ms

ftbotimg7.jpg

ftbotimg7.jpg

2048 ms

ftbotimg8.jpg

ftbotimg8.jpg

2045 ms

ftbotimg9.jpg

ftbotimg9.jpg

2048 ms

ftxt.jpg

ftxt.jpg

2030 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

6218 ms

Accessibility Review

probechem.com accessibility score

71

Accessibility Issues

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

probechem.com best practices score

50

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

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

probechem.com SEO score

89

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Probechem.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Probechem.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

probechem.com

Open Graph description is not detected on the main page of Probe Chem. 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: