Tools & Wizards About Us
temis.nl screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

temis.nl

Tropospheric Emission Monitoring Internet Service

Page Load Speed

746 ms in total

First Response

144 ms

Resources Loaded

511 ms

Page Rendered

91 ms

temis.nl screenshot

About Website

Click here to check amazing Temis content for Italy. Otherwise, check out these important facts you probably never knew about temis.nl

TEMIS provides tropospheric emission products to researchers, derived from GOME and SCIAMACHY data.

Visit temis.nl

Key Findings

We analyzed Temis.nl page load time and found that the first response time was 144 ms and then it took 602 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

temis.nl performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

temis.nl

144 ms

temis.nl

292 ms

nets.css

19 ms

spacer.gif

3 ms

Temis-logo2_orig.gif

35 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 12% of them (2 requests) were addressed to the original Temis.nl, 88% (15 requests) were made to D37onar3vnbj2y.cloudfront.net. The less responsive or slowest element that took the longest time to load (292 ms) belongs to the original domain Temis.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.0 kB (35%)

Content Size

160.6 kB

After Optimization

103.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Temis.nl main page is 160.6 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. 20% of websites need less resources to load. Images take 137.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 19.3 kB

  • Original 22.7 kB
  • After minification 14.8 kB
  • After compression 3.4 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 7.9 kB, which is 35% 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 19.3 kB or 85% of the original size.

Image Optimization

-27%

Potential reduce by 37.4 kB

  • Original 137.0 kB
  • After minification 99.6 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, Temis needs image optimization as it can save up to 37.4 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-34%

Potential reduce by 279 B

  • Original 819 B
  • After minification 819 B
  • After compression 540 B

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. Temis.nl needs all CSS files to be minified and compressed as it can save up to 279 B or 34% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Temis. According to our analytics all requests are already optimized.

Network Requests Diagram

temis.nl

temis.nl

144 ms

temis.nl

temis.nl

292 ms

nets.css

nets.css

19 ms

spacer.gif

spacer.gif

3 ms

Temis-logo2_orig.gif

Temis-logo2_orig.gif

35 ms

logo_esa_tr.gif

logo_esa_tr.gif

15 ms

o3col_button.png

o3col_button.png

10 ms

o3fld_button.png

o3fld_button.png

35 ms

uvi_button.png

uvi_button.png

11 ms

no2_button.png

no2_button.png

8 ms

volcano_button.png

volcano_button.png

12 ms

arw15.gif

arw15.gif

19 ms

globemission_banner_right.png

globemission_banner_right.png

16 ms

IW_KNMI_Logo_online_ex_pos_en_small.png

IW_KNMI_Logo_online_ex_pos_en_small.png

16 ms

logoBISA_sm.gif

logoBISA_sm.gif

35 ms

nasa_100.jpg

nasa_100.jpg

22 ms

eumetsat.jpg

eumetsat.jpg

23 ms

Accessibility Review

temis.nl accessibility score

65

Accessibility Issues

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

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

Best Practices

temis.nl best practices score

58

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

temis.nl SEO score

67

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

    N/A

  • Encoding

    ISO-8859-1

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

temis.nl

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