Tools & Wizards About Us
nav.se screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

nav.se

Nässjö Affärsverk - har verksamhet inom fjärrvärme, elnät, vatten och avlopp, renhållning samt underhåll av gator och parker i Nässjö kommun.

Page Load Speed

6.5 sec in total

First Response

794 ms

Resources Loaded

5.3 sec

Page Rendered

425 ms

nav.se screenshot

About Website

Welcome to nav.se homepage info - get ready to check N Av best content right away, or after learning these important things about nav.se

Nässjö Affärsverk har verksamhet inom fjärrvärme, elnät, vatten och avlopp, renhållning samt underhåll av gator och parker i Nässjö kommun.

Visit nav.se

Key Findings

We analyzed Nav.se page load time and found that the first response time was 794 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nav.se performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value390 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

nav.se

794 ms

nav.se

460 ms

www.nav.se

984 ms

0f534f1fb22cbd292d5a0e19e286566e.js

475 ms

css

36 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 93% of them (109 requests) were addressed to the original Nav.se, 2% (2 requests) were made to Statistik.novitell.se and 1% (1 request) were made to Cdn.cookie-script.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Karta.nassjo.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 261.4 kB (16%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nav.se main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 53.7 kB

  • Original 65.3 kB
  • After minification 54.2 kB
  • After compression 11.5 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 11.1 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 53.7 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 188.3 kB

  • Original 1.2 MB
  • After minification 971.1 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, N Av needs image optimization as it can save up to 188.3 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

-5%

Potential reduce by 16.5 kB

  • Original 324.7 kB
  • After minification 320.7 kB
  • After compression 308.2 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

-7%

Potential reduce by 2.8 kB

  • Original 38.2 kB
  • After minification 38.1 kB
  • After compression 35.4 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. Nav.se has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 88 (78%)

Requests Now

113

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of N Av. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 79 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nav.se

nav.se

794 ms

nav.se

nav.se

460 ms

www.nav.se

www.nav.se

984 ms

0f534f1fb22cbd292d5a0e19e286566e.js

0f534f1fb22cbd292d5a0e19e286566e.js

475 ms

css

css

36 ms

b0086e6ddad8e9e99df045f925ed0fab_all.css

b0086e6ddad8e9e99df045f925ed0fab_all.css

224 ms

0a7978a9d4a9ebae945fe258d3589ec4.js

0a7978a9d4a9ebae945fe258d3589ec4.js

666 ms

a2bf1cfd75935ab01ea7980b69cd8c04.js

a2bf1cfd75935ab01ea7980b69cd8c04.js

335 ms

novitell_responsiv_240.css

novitell_responsiv_240.css

336 ms

novitell_responsiv_600.css

novitell_responsiv_600.css

335 ms

novitell_responsiv_1025.css

novitell_responsiv_1025.css

336 ms

novitell_responsiv_1280.css

novitell_responsiv_1280.css

336 ms

c06046a30c45508037ea7b36a6efd58e.js

c06046a30c45508037ea7b36a6efd58e.js

445 ms

prettyPhoto.css

prettyPhoto.css

445 ms

prettylightbox.css

prettylightbox.css

445 ms

ed1b929776194e86267804fd6252adb8.js

ed1b929776194e86267804fd6252adb8.js

447 ms

api.js

api.js

61 ms

mmloader.js

mmloader.js

1400 ms

element.js

element.js

50 ms

oop-min.js

oop-min.js

116 ms

event-custom-base-min.js

event-custom-base-min.js

113 ms

event-base-min.js

event-base-min.js

115 ms

dom-core-min.js

dom-core-min.js

114 ms

dom-base-min.js

dom-base-min.js

117 ms

selector-native-min.js

selector-native-min.js

115 ms

selector-min.js

selector-min.js

224 ms

node-core-min.js

node-core-min.js

222 ms

dom-style-min.js

dom-style-min.js

224 ms

node-base-min.js

node-base-min.js

224 ms

event-delegate-min.js

event-delegate-min.js

224 ms

event-custom-complex-min.js

event-custom-complex-min.js

226 ms

event-synthetic-min.js

event-synthetic-min.js

332 ms

event-mousewheel-min.js

event-mousewheel-min.js

334 ms

event-mouseenter-min.js

event-mouseenter-min.js

334 ms

event-key-min.js

event-key-min.js

333 ms

event-focus-min.js

event-focus-min.js

335 ms

event-resize-min.js

event-resize-min.js

336 ms

event-hover-min.js

event-hover-min.js

444 ms

event-outside-min.js

event-outside-min.js

445 ms

event-touch-min.js

event-touch-min.js

444 ms

event-move-min.js

event-move-min.js

444 ms

event-flick-min.js

event-flick-min.js

443 ms

event-valuechange-min.js

event-valuechange-min.js

445 ms

event-tap-min.js

event-tap-min.js

553 ms

print.css

print.css

119 ms

matomo.js

matomo.js

572 ms

button_cancel.png

button_cancel.png

119 ms

google_translate.png

google_translate.png

111 ms

logo_responsiv.png

logo_responsiv.png

443 ms

Naessjoe-Affaersverk.png

Naessjoe-Affaersverk.png

119 ms

logo_print.png

logo_print.png

118 ms

Streamad-vaerme-av-rester-fraan-skogen_nivoslider.jpg

Streamad-vaerme-av-rester-fraan-skogen_nivoslider.jpg

560 ms

Funderar-du-paa-att-skaffa-solceller_nivoslider.jpg

Funderar-du-paa-att-skaffa-solceller_nivoslider.jpg

554 ms

Sorteringsapp.jpg

Sorteringsapp.jpg

229 ms

Hoeststaeda-och-aatervinn-2024-sid-1-16-9_latest_content.jpg

Hoeststaeda-och-aatervinn-2024-sid-1-16-9_latest_content.jpg

345 ms

Arvid-paa-aavs-16-9_latest_content.jpg

Arvid-paa-aavs-16-9_latest_content.jpg

338 ms

Dumpning_latest_content.jpg

Dumpning_latest_content.jpg

341 ms

Vattentornet-Naessjoe-renovering-fasaden-2023-aarsredovisning-16-9_latest_content.jpg

Vattentornet-Naessjoe-renovering-fasaden-2023-aarsredovisning-16-9_latest_content.jpg

559 ms

Laddstolpar_puff_contentgrid3.jpg

Laddstolpar_puff_contentgrid3.jpg

452 ms

Driftstoerningsinformation-i-mobilen_contentgrid3.jpg

Driftstoerningsinformation-i-mobilen_contentgrid3.jpg

456 ms

Elbilspool-Oxen_contentgrid3.jpg

Elbilspool-Oxen_contentgrid3.jpg

553 ms

Dricksvatten_contentgrid3.jpg

Dricksvatten_contentgrid3.jpg

562 ms

Reservvatten_11_6_contentgrid3.jpg

Reservvatten_11_6_contentgrid3.jpg

576 ms

Vattenskyddsomraade-Storsjoen_contentgrid3.jpg

Vattenskyddsomraade-Storsjoen_contentgrid3.jpg

664 ms

Oeppettider-Boda_contentgrid3.jpg

Oeppettider-Boda_contentgrid3.jpg

665 ms

Graevskopa_puff_contentgrid3.jpg

Graevskopa_puff_contentgrid3.jpg

670 ms

Naessjoe-ovan_contentgrid3.jpg

Naessjoe-ovan_contentgrid3.jpg

670 ms

widget-base.css

widget-base.css

644 ms

autocomplete-list.css

autocomplete-list.css

650 ms

matomo.php

matomo.php

315 ms

resp_menu_icon.png

resp_menu_icon.png

115 ms

intl-min.js

intl-min.js

112 ms

array-extras-min.js

array-extras-min.js

113 ms

attribute-core-min.js

attribute-core-min.js

113 ms

attribute-observable-min.js

attribute-observable-min.js

114 ms

attribute-extras-min.js

attribute-extras-min.js

114 ms

attribute-base-min.js

attribute-base-min.js

193 ms

base-core-min.js

base-core-min.js

221 ms

base-observable-min.js

base-observable-min.js

224 ms

base-base-min.js

base-base-min.js

223 ms

base-build-min.js

base-build-min.js

224 ms

escape-min.js

escape-min.js

226 ms

autocomplete-base-min.js

autocomplete-base-min.js

303 ms

autocomplete-sources-min.js

autocomplete-sources-min.js

330 ms

autocomplete-list_en.js

autocomplete-list_en.js

331 ms

dom-screen-min.js

dom-screen-min.js

331 ms

node-screen-min.js

node-screen-min.js

333 ms

selector-css2-min.js

selector-css2-min.js

332 ms

selector-css3-min.js

selector-css3-min.js

412 ms

node-style-min.js

node-style-min.js

439 ms

pluginhost-base-min.js

pluginhost-base-min.js

441 ms

pluginhost-config-min.js

pluginhost-config-min.js

440 ms

node-pluginhost-min.js

node-pluginhost-min.js

441 ms

shim-plugin-min.js

shim-plugin-min.js

442 ms

attribute-complex-min.js

attribute-complex-min.js

522 ms

base-pluginhost-min.js

base-pluginhost-min.js

548 ms

classnamemanager-min.js

classnamemanager-min.js

551 ms

widget-base-min.js

widget-base-min.js

550 ms

widget-htmlparser-min.js

widget-htmlparser-min.js

550 ms

widget-skin-min.js

widget-skin-min.js

551 ms

node-event-delegate-min.js

node-event-delegate-min.js

631 ms

widget-uievents-min.js

widget-uievents-min.js

657 ms

widget-position-min.js

widget-position-min.js

659 ms

widget-position-align-min.js

widget-position-align-min.js

659 ms

autocomplete-list-min.js

autocomplete-list-min.js

660 ms

autocomplete-list-keys-min.js

autocomplete-list-keys-min.js

661 ms

u-4k0rCzjgs5J7oXnJcM_0kACGMtT-DfrQ.woff

u-4k0rCzjgs5J7oXnJcM_0kACGMtT-DfrQ.woff

48 ms

autocomplete-plugin-min.js

autocomplete-plugin-min.js

669 ms

text-data-wordbreak-min.js

text-data-wordbreak-min.js

665 ms

text-wordbreak-min.js

text-wordbreak-min.js

667 ms

highlight-base-min.js

highlight-base-min.js

667 ms

autocomplete-highlighters-min.js

autocomplete-highlighters-min.js

668 ms

datasource-local-min.js

datasource-local-min.js

666 ms

querystring-stringify-simple-min.js

querystring-stringify-simple-min.js

669 ms

io-base-min.js

io-base-min.js

665 ms

datasource-io-min.js

datasource-io-min.js

667 ms

json-parse-min.js

json-parse-min.js

666 ms

Accessibility Review

nav.se accessibility score

91

Accessibility Issues

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

nav.se best practices score

67

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

nav.se SEO score

73

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nav.se can be misinterpreted by Google and other search engines. Our service has detected that Swedish is used on the page, and it matches the claimed language. Our system also found out that Nav.se 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

nav.se

Open Graph data is detected on the main page of N Av. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: