Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

osisaf.met.no

OSI SAF High Latitude Processing Center | osisaf-hl.met.no

Page Load Speed

1.4 sec in total

First Response

338 ms

Resources Loaded

966 ms

Page Rendered

111 ms

osisaf.met.no screenshot

About Website

Click here to check amazing OSI SAF Met content for Norway. Otherwise, check out these important facts you probably never knew about osisaf.met.no

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Key Findings

We analyzed Osisaf.met.no page load time and found that the first response time was 338 ms and then it took 1.1 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

osisaf.met.no performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.3 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

osisaf.met.no

338 ms

ga.js

10 ms

OSISAFLogo_solid_S_2.jpg

210 ms

osisaf_main_head.png

214 ms

icon_prod.png

317 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Osisaf.met.no, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (626 ms) belongs to the original domain Osisaf.met.no.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.0 kB (17%)

Content Size

324.9 kB

After Optimization

268.8 kB

In fact, the total size of Osisaf.met.no main page is 324.9 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 297.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.6 kB

  • Original 10.4 kB
  • After minification 9.3 kB
  • After compression 2.8 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 7.6 kB or 73% of the original size.

Image Optimization

-16%

Potential reduce by 48.4 kB

  • Original 297.3 kB
  • After minification 248.9 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, OSI SAF Met needs image optimization as it can save up to 48.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

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 OSI SAF Met. According to our analytics all requests are already optimized.

Accessibility Review

osisaf.met.no accessibility score

85

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.

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

osisaf.met.no best practices score

75

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

SEO Factors

osisaf.met.no SEO score

69

Search Engine Optimization Advices

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 Osisaf.met.no 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 Osisaf.met.no 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 OSI SAF Met. 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: