Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

specair-radiation.net

Specair

Page Load Speed

1.5 sec in total

First Response

306 ms

Resources Loaded

1.1 sec

Page Rendered

71 ms

About Website

Click here to check amazing Specair Radiation content. Otherwise, check out these important facts you probably never knew about specair-radiation.net

The Specair Homepage: Learn about and download Specair, a world class program for modelling atmospheric spectra.

Visit specair-radiation.net

Key Findings

We analyzed Specair-radiation.net page load time and found that the first response time was 306 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

specair-radiation.net performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value5,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

specair-radiation.net

306 ms

textstyle.css

102 ms

video-tutorials.gif

569 ms

introduction-to-specair.gif

569 ms

basic-fitting.gif

570 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 54% of them (13 requests) were addressed to the original Specair-radiation.net, 33% (8 requests) were made to Youtube.com and 4% (1 request) were made to Static.doubleclick.net. The less responsive or slowest element that took the longest time to load (822 ms) belongs to the original domain Specair-radiation.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.3 kB (4%)

Content Size

392.7 kB

After Optimization

376.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Specair-radiation.net main page is 392.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 165.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 2.3 kB

  • Original 3.3 kB
  • After minification 2.7 kB
  • After compression 1.0 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 667 B, which is 20% 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 2.3 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 4.7 kB

  • Original 156.5 kB
  • After minification 151.8 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. Specair Radiation images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 2.6 kB

  • Original 165.3 kB
  • After minification 165.3 kB
  • After compression 162.8 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

-10%

Potential reduce by 6.7 kB

  • Original 67.5 kB
  • After minification 64.0 kB
  • After compression 60.8 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. Specair-radiation.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Specair Radiation. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

specair-radiation.net accessibility score

74

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

specair-radiation.net 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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

specair-radiation.net SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Specair-radiation.net 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 Specair-radiation.net main page’s claimed encoding is . 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 Specair Radiation. 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: