Tools & Wizards About Us
sirigen.com screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

sirigen.com

Sirigen : Light harvesting materials delivering High Sensitivity Fluorescence in diagnostic and Life Science applications.

Page Load Speed

270 ms in total

First Response

46 ms

Resources Loaded

140 ms

Page Rendered

84 ms

sirigen.com screenshot

About Website

Welcome to sirigen.com homepage info - get ready to check Sirigen best content right away, or after learning these important things about sirigen.com

Nobel Prize winning light harvesting materials delivering High Sensitivity Fluorescence in diagnostic and Life Science applications.

Visit sirigen.com

Key Findings

We analyzed Sirigen.com page load time and found that the first response time was 46 ms and then it took 224 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sirigen.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

sirigen.com

46 ms

base.css

3 ms

jscript.js

4 ms

sifr.css

3 ms

sifr.js

5 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Sirigen.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (58 ms) belongs to the original domain Sirigen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.9 kB (7%)

Content Size

213.2 kB

After Optimization

197.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sirigen.com main page is 213.2 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 127.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 8.4 kB

  • Original 11.3 kB
  • After minification 9.4 kB
  • After compression 3.0 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 2.0 kB, which is 17% 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 8.4 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 2.7 kB

  • Original 127.1 kB
  • After minification 124.4 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. Sirigen images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 3.1 kB

  • Original 68.0 kB
  • After minification 68.0 kB
  • After compression 64.9 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

-25%

Potential reduce by 1.7 kB

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.1 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. Sirigen.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (41%)

Requests Now

44

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sirigen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sirigen.com

sirigen.com

46 ms

base.css

base.css

3 ms

jscript.js

jscript.js

4 ms

sifr.css

sifr.css

3 ms

sifr.js

sifr.js

5 ms

sifr-debug.js

sifr-debug.js

5 ms

sifr-config.js

sifr-config.js

5 ms

slider.css

slider.css

5 ms

jquery.min.js

jquery.min.js

12 ms

jquery.easing.1.2.js

jquery.easing.1.2.js

5 ms

jquery.anythingslider.js

jquery.anythingslider.js

11 ms

navigation.css

navigation.css

5 ms

fonts.css

fonts.css

6 ms

print.css

print.css

18 ms

ga.js

ga.js

15 ms

spectrum_pix.gif

spectrum_pix.gif

5 ms

tagline.png

tagline.png

6 ms

sirigen_logo.gif

sirigen_logo.gif

6 ms

nav_matrix.gif

nav_matrix.gif

7 ms

faces1.jpg

faces1.jpg

8 ms

caption_1.gif

caption_1.gif

7 ms

faces2.jpg

faces2.jpg

8 ms

caption_2.gif

caption_2.gif

6 ms

faces3.jpg

faces3.jpg

8 ms

caption_3.gif

caption_3.gif

8 ms

app_bg.gif

app_bg.gif

8 ms

immuno_small.png

immuno_small.png

9 ms

flow_cytometry_small.png

flow_cytometry_small.png

9 ms

bio_small.png

bio_small.png

9 ms

lateral_small.png

lateral_small.png

9 ms

mole_small.png

mole_small.png

10 ms

micro_small.png

micro_small.png

10 ms

microscopy_small.png

microscopy_small.png

10 ms

blotting_small.png

blotting_small.png

12 ms

bottomsection_bg.gif

bottomsection_bg.gif

55 ms

bottomWrap_bg.gif

bottomWrap_bg.gif

11 ms

powered_by_sirigen.gif

powered_by_sirigen.gif

56 ms

what_is_hsf.gif

what_is_hsf.gif

56 ms

link.gif

link.gif

56 ms

video_gallery.gif

video_gallery.gif

56 ms

video_link.jpg

video_link.jpg

57 ms

brilliant_violet.gif

brilliant_violet.gif

57 ms

violet_label.png

violet_label.png

58 ms

announcement.gif

announcement.gif

57 ms

__utm.gif

__utm.gif

12 ms

arrows.png

arrows.png

5 ms

Accessibility Review

sirigen.com accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

sirigen.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sirigen.com SEO score

62

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Sirigen.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 Sirigen.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

sirigen.com

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