Tools & Wizards About Us
chemgenes.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

chemgenes.com

ChemGenes, Manufacturer of DNA RNA Synthesis Reagents, Amidites & CPG Solid Supports and Nucleosides

Page Load Speed

2.2 sec in total

First Response

132 ms

Resources Loaded

1.3 sec

Page Rendered

753 ms

chemgenes.com screenshot

About Website

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

By starting out as a supplier of ‘Ultra Pure Products’ and then by becoming an active contract researcher, ChemGenes Corporation has achieved unparalleled expertise in the field of DNA/RNA synthesis. ...

Visit chemgenes.com

Key Findings

We analyzed Chemgenes.com page load time and found that the first response time was 132 ms and then it took 2.1 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

chemgenes.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value5,230 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

chemgenes.com

132 ms

chemgenes.com

80 ms

www.chemgenes.com

269 ms

default.16.min.css

46 ms

standard_layout.3.css

52 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Chemgenes.com, 5% (2 requests) were made to Seal.securetrust.com and 3% (1 request) were made to Seal.digicert.com. The less responsive or slowest element that took the longest time to load (620 ms) relates to the external source Seal.digicert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.3 kB (42%)

Content Size

565.3 kB

After Optimization

328.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chemgenes.com main page is 565.3 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. 30% of websites need less resources to load. Images take 237.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 56.0 kB

  • Original 68.6 kB
  • After minification 65.2 kB
  • After compression 12.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 56.0 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 242 B

  • Original 237.6 kB
  • After minification 237.4 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. Chem Genes images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 155.3 kB

  • Original 226.7 kB
  • After minification 226.7 kB
  • After compression 71.4 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 155.3 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 24.8 kB

  • Original 32.3 kB
  • After minification 31.7 kB
  • After compression 7.5 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. Chemgenes.com needs all CSS files to be minified and compressed as it can save up to 24.8 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (35%)

Requests Now

34

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem Genes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chemgenes.com

chemgenes.com

132 ms

chemgenes.com

chemgenes.com

80 ms

www.chemgenes.com

www.chemgenes.com

269 ms

default.16.min.css

default.16.min.css

46 ms

standard_layout.3.css

standard_layout.3.css

52 ms

jquery-ui-1.10.3.custom.min.css

jquery-ui-1.10.3.custom.min.css

79 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

106 ms

scripts.min.25.js

scripts.min.25.js

124 ms

ChemGenes_background.jpg

ChemGenes_background.jpg

114 ms

ChemGenes_background_bottom.jpg

ChemGenes_background_bottom.jpg

82 ms

header_graphic.jpg

header_graphic.jpg

300 ms

sprite.png

sprite.png

306 ms

slider_isomerfree.jpg

slider_isomerfree.jpg

310 ms

slider_mirror.jpg

slider_mirror.jpg

307 ms

slider_tom.jpg

slider_tom.jpg

560 ms

slider_triphosphate.jpg

slider_triphosphate.jpg

561 ms

slider_unylinker.jpg

slider_unylinker.jpg

585 ms

reverse_rna_hand.png

reverse_rna_hand.png

619 ms

austria_austria_center.jpg

austria_austria_center.jpg

619 ms

seal.js

seal.js

236 ms

right_collapse_block.php

right_collapse_block.php

407 ms

ChemGenes_Logo.png

ChemGenes_Logo.png

403 ms

shade_top.png

shade_top.png

400 ms

shade_nw.png

shade_nw.png

440 ms

shade_ne.png

shade_ne.png

462 ms

shade_left.png

shade_left.png

461 ms

shade_right.png

shade_right.png

469 ms

shade_bottom.png

shade_bottom.png

460 ms

shade_sw.png

shade_sw.png

458 ms

shade_se.png

shade_se.png

486 ms

ISO-9001-2015-bw-ANAB-2015-bw.png

ISO-9001-2015-bw-ANAB-2015-bw.png

558 ms

arial_narrow_bold-webfont.woff

arial_narrow_bold-webfont.woff

557 ms

ui-bg_highlight-soft_100_eeeeee_1x100.png

ui-bg_highlight-soft_100_eeeeee_1x100.png

487 ms

ui-bg_gloss-wave_35_f6a828_500x100.png

ui-bg_gloss-wave_35_f6a828_500x100.png

486 ms

seal.min.js

seal.min.js

620 ms

seal_image.php

seal_image.php

246 ms

logobanner.jpg

logobanner.jpg

194 ms

ui-bg_diagonals-thick_20_666666_40x40.png

ui-bg_diagonals-thick_20_666666_40x40.png

224 ms

Accessibility Review

chemgenes.com accessibility score

100

Accessibility Issues

Best Practices

chemgenes.com best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

chemgenes.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemgenes.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 Chemgenes.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

chemgenes.com

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