Tools & Wizards About Us
historiskt.nu screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

historiskt.nu

Historiskt om Svenska Järnvägar, History of Swedish railways

Page Load Speed

3 sec in total

First Response

365 ms

Resources Loaded

2.4 sec

Page Rendered

163 ms

historiskt.nu screenshot

About Website

Visit historiskt.nu now to see the best up-to-date Historiskt content for Sweden and also check out these interesting facts you probably never knew about historiskt.nu

Historiskt är en plats där man kan finna historisk information om Svenska järnvägar, kartor, bildarkiv, lok, vagnar, järnvägspersonal, mm. This is a site where you can find information about Swedish r...

Visit historiskt.nu

Key Findings

We analyzed Historiskt.nu page load time and found that the first response time was 365 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

historiskt.nu performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.3

39/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

historiskt.nu

365 ms

historiskt.nu

364 ms

jquery.min.js

257 ms

fadeslideshow.js

263 ms

cse.js

40 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 90% of them (70 requests) were addressed to the original Historiskt.nu, 8% (6 requests) were made to Google.com and 3% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Historiskt.nu.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.9 kB (5%)

Content Size

3.1 MB

After Optimization

3.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Historiskt.nu main page is 3.1 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. 60% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 38.5 kB

  • Original 47.9 kB
  • After minification 46.3 kB
  • After compression 9.5 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. 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 38.5 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 57.1 kB

  • Original 2.9 MB
  • After minification 2.8 MB

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. Historiskt images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 49.0 kB

  • Original 220.4 kB
  • After minification 216.9 kB
  • After compression 171.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 49.0 kB or 22% of the original size.

CSS Optimization

-32%

Potential reduce by 3.3 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 7.1 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. Historiskt.nu needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (5%)

Requests Now

76

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Historiskt. 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

historiskt.nu

historiskt.nu

365 ms

historiskt.nu

historiskt.nu

364 ms

jquery.min.js

jquery.min.js

257 ms

fadeslideshow.js

fadeslideshow.js

263 ms

cse.js

cse.js

40 ms

bro_logo_4.gif

bro_logo_4.gif

146 ms

Image00000.jpg

Image00000.jpg

362 ms

z_agk00001.jpg

z_agk00001.jpg

262 ms

z_ah00001.jpg

z_ah00001.jpg

525 ms

z_gl00003.jpg

z_gl00003.jpg

437 ms

z_hkn00001.jpg

z_hkn00001.jpg

487 ms

z_ka00003.jpg

z_ka00003.jpg

535 ms

Image00004.jpg

Image00004.jpg

361 ms

Image00005.jpg

Image00005.jpg

448 ms

Image00006.jpg

Image00006.jpg

453 ms

Image00007.jpg

Image00007.jpg

530 ms

Image00008.jpg

Image00008.jpg

541 ms

Image00009.jpg

Image00009.jpg

547 ms

Image00010.jpg

Image00010.jpg

583 ms

Image00011.jpg

Image00011.jpg

618 ms

Image00012.jpg

Image00012.jpg

623 ms

Image00013.jpg

Image00013.jpg

623 ms

Image00014.jpg

Image00014.jpg

628 ms

Image00015.jpg

Image00015.jpg

636 ms

Image00016.jpg

Image00016.jpg

669 ms

Image00017.jpg

Image00017.jpg

714 ms

Image00018.jpg

Image00018.jpg

711 ms

Image00019.jpg

Image00019.jpg

712 ms

Image00020.jpg

Image00020.jpg

715 ms

Image00021.jpg

Image00021.jpg

722 ms

Image00022.jpg

Image00022.jpg

762 ms

Image00023.jpg

Image00023.jpg

800 ms

Image00024.jpg

Image00024.jpg

808 ms

Image00025.jpg

Image00025.jpg

898 ms

Image00026.jpg

Image00026.jpg

807 ms

Image00027.jpg

Image00027.jpg

813 ms

Image00028.jpg

Image00028.jpg

851 ms

Image00029.jpg

Image00029.jpg

901 ms

Image00030.jpg

Image00030.jpg

896 ms

Image00031.jpg

Image00031.jpg

1064 ms

bghist1.gif

bghist1.gif

878 ms

cse_element__sv.js

cse_element__sv.js

23 ms

default+sv.css

default+sv.css

59 ms

default.css

default.css

62 ms

async-ads.js

async-ads.js

38 ms

branding.png

branding.png

30 ms

clear.png

clear.png

30 ms

nav_logo114.png

nav_logo114.png

36 ms

bann_bandata.jpg

bann_bandata.jpg

806 ms

bann_digitalt_museum.jpg

bann_digitalt_museum.jpg

729 ms

bann_bildarkiv.jpg

bann_bildarkiv.jpg

630 ms

bann_kunskapscentralen.jpg

bann_kunskapscentralen.jpg

631 ms

bann_palsboda.jpg

bann_palsboda.jpg

566 ms

bann_ornskoldsvik.jpg

bann_ornskoldsvik.jpg

600 ms

bann_mellansel.jpg

bann_mellansel.jpg

627 ms

bann_kfj.jpg

bann_kfj.jpg

593 ms

bann_rotter_2.gif

bann_rotter_2.gif

557 ms

pilho5.GIF

pilho5.GIF

563 ms

uk.gif

uk.gif

611 ms

kntop5.GIF

kntop5.GIF

618 ms

colorbar.gif

colorbar.gif

620 ms

bann_bildspelslogo.jpg

bann_bildspelslogo.jpg

683 ms

bann_forumlogga_nya_forumet.jpg

bann_forumlogga_nya_forumet.jpg

554 ms

bann_jarnvag_net.jpg

bann_jarnvag_net.jpg

557 ms

bann_ekevingse.jpg

bann_ekevingse.jpg

617 ms

bann_banvaktse.jpg

bann_banvaktse.jpg

620 ms

bann_botniabanan_ab.jpg

bann_botniabanan_ab.jpg

633 ms

bann_railway_150.jpg

bann_railway_150.jpg

594 ms

bann_vbaj_text.gif

bann_vbaj_text.gif

559 ms

bann_jgj.jpg

bann_jgj.jpg

619 ms

bann_kij.jpg

bann_kij.jpg

626 ms

bann_gards_harad_j.jpg

bann_gards_harad_j.jpg

639 ms

bann_hhyj.jpg

bann_hhyj.jpg

630 ms

bann_htj.jpg

bann_htj.jpg

594 ms

bann_hkj.jpg

bann_hkj.jpg

556 ms

bann_osj.jpg

bann_osj.jpg

612 ms

bann_centralen.jpg

bann_centralen.jpg

617 ms

loading.gif

loading.gif

625 ms

Accessibility Review

historiskt.nu 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

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

historiskt.nu 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

SEO Factors

historiskt.nu SEO score

70

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    SV

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Historiskt.nu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Swedish language. Our system also found out that Historiskt.nu 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

historiskt.nu

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