Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

spectroscopy.ninja

Spectroscopy Ninja - optical spectroscopy software and services

Page Load Speed

1.1 sec in total

First Response

115 ms

Resources Loaded

816 ms

Page Rendered

194 ms

spectroscopy.ninja screenshot

About Website

Visit spectroscopy.ninja now to see the best up-to-date Spectroscopy content and also check out these interesting facts you probably never knew about spectroscopy.ninja

SpectraGryph: Open all sorts of spectra. Process & analyze them with ease. Rock solid. Lean. Easy to use. For UV/VIS, NIR, FTIR, Raman, LIBS, XRF, fluorescence spectra.

Visit spectroscopy.ninja

Key Findings

We analyzed Spectroscopy.ninja page load time and found that the first response time was 115 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

spectroscopy.ninja performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.429

22/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

spectroscopy.ninja

115 ms

index.html

332 ms

Spectroscopy-Ninja_white_script_537_267_right.png

183 ms

academia%20icon.png

190 ms

tumblr%20icon.png

189 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 7% of them (1 request) were addressed to the original Spectroscopy.ninja, 93% (14 requests) were made to Effemm2.de. The less responsive or slowest element that took the longest time to load (365 ms) relates to the external source Effemm2.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.8 kB (38%)

Content Size

90.6 kB

After Optimization

55.8 kB

In fact, the total size of Spectroscopy.ninja main page is 90.6 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. Only 10% of websites need less resources to load. Images take 77.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.9 kB

  • Original 13.1 kB
  • After minification 11.3 kB
  • After compression 3.2 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 1.8 kB, which is 13% 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 9.9 kB or 76% of the original size.

Image Optimization

-32%

Potential reduce by 24.9 kB

  • Original 77.5 kB
  • After minification 52.6 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. Obviously, Spectroscopy needs image optimization as it can save up to 24.9 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

13

After Optimization

13

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spectroscopy. According to our analytics all requests are already optimized.

Accessibility Review

spectroscopy.ninja accessibility score

69

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.

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

spectroscopy.ninja best practices score

67

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

SEO Factors

spectroscopy.ninja SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spectroscopy.ninja 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 Spectroscopy.ninja main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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