Tools & Wizards About Us
johnker-iceland-tours.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

johnker-iceland-tours.com

Best selling Iceland Tours and Activities - Iceland Tours

Page Load Speed

3.1 sec in total

First Response

360 ms

Resources Loaded

2.2 sec

Page Rendered

520 ms

johnker-iceland-tours.com screenshot

About Website

Welcome to johnker-iceland-tours.com homepage info - get ready to check Johnker Iceland Tours best content right away, or after learning these important things about johnker-iceland-tours.com

Best selling Iceland tours curated by the most renowned Iceland Guides. Northern Lights, South coast Iceland, Waterfalls, Glacier lagoon, Ice climbing, Horse riding, Black Sand Beach, Golden Circle an...

Visit johnker-iceland-tours.com

Key Findings

We analyzed Johnker-iceland-tours.com page load time and found that the first response time was 360 ms and then it took 2.7 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

johnker-iceland-tours.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

johnker-iceland-tours.com

360 ms

minified_stylesheet_combined_16b0e806b5b1071f71d38ae64ed4d5f3.css

105 ms

css

32 ms

tarteaucitron-min.js

197 ms

jquery_1605110435.js

404 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 71% of them (64 requests) were addressed to the original Johnker-iceland-tours.com, 14% (13 requests) were made to Embed.tawk.to and 3% (3 requests) were made to Tripadvisor.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Johnker-iceland-tours.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.6 kB (2%)

Content Size

3.8 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Johnker-iceland-tours.com main page is 3.8 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. 65% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 43.9 kB

  • Original 54.4 kB
  • After minification 50.7 kB
  • After compression 10.5 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 43.9 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.8 kB

  • Original 3.5 MB
  • After minification 3.5 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. Johnker Iceland Tours images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 30.4 kB

  • Original 266.4 kB
  • After minification 266.4 kB
  • After compression 236.0 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 30.4 kB or 11% of the original size.

CSS Optimization

-3%

Potential reduce by 498 B

  • Original 16.0 kB
  • After minification 16.0 kB
  • After compression 15.5 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. Johnker-iceland-tours.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (35%)

Requests Now

85

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Johnker Iceland Tours. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

johnker-iceland-tours.com

johnker-iceland-tours.com

360 ms

minified_stylesheet_combined_16b0e806b5b1071f71d38ae64ed4d5f3.css

minified_stylesheet_combined_16b0e806b5b1071f71d38ae64ed4d5f3.css

105 ms

css

css

32 ms

tarteaucitron-min.js

tarteaucitron-min.js

197 ms

jquery_1605110435.js

jquery_1605110435.js

404 ms

wejs

wejs

34 ms

fbevents.js

fbevents.js

38 ms

hotjar-896813.js

hotjar-896813.js

125 ms

gtm.js

gtm.js

149 ms

ollie-11424-2.gif

ollie-11424-2.gif

109 ms

default

default

268 ms

logo-john-ker.svg

logo-john-ker.svg

315 ms

searchbox-icon.svg

searchbox-icon.svg

104 ms

searchbox-top.svg

searchbox-top.svg

224 ms

searchbox-button.svg

searchbox-button.svg

224 ms

down.svg

down.svg

225 ms

promo-82.svg

promo-82.svg

226 ms

header-home-01.jpg

header-home-01.jpg

377 ms

header-home-02.jpg

header-home-02.jpg

587 ms

header-home-03.jpg

header-home-03.jpg

688 ms

header-home-04.jpg

header-home-04.jpg

686 ms

header-home-05.jpg

header-home-05.jpg

597 ms

header-home-06.jpg

header-home-06.jpg

514 ms

header-home-07.jpg

header-home-07.jpg

573 ms

header-home-08.jpg

header-home-08.jpg

627 ms

header-home-09.jpg

header-home-09.jpg

686 ms

header-home-10.jpg

header-home-10.jpg

691 ms

header-home-11.jpg

header-home-11.jpg

793 ms

header-home-12.jpg

header-home-12.jpg

739 ms

bg-iceland-big@2x.png.png

bg-iceland-big@2x.png.png

792 ms

Strokkur-Geysir-4-copie-1080.jpg

Strokkur-Geysir-4-copie-1080.jpg

789 ms

jeep.svg

jeep.svg

785 ms

puffin.svg

puffin.svg

789 ms

waterfall.svg

waterfall.svg

837 ms

snowmobile.svg

snowmobile.svg

884 ms

glaciers.svg

glaciers.svg

885 ms

more-border.svg

more-border.svg

888 ms

Thosmork-hut-1080.jpg

Thosmork-hut-1080.jpg

892 ms

hiking.svg

hiking.svg

892 ms

Landmannalaugar-Nykodym-1080.jpg

Landmannalaugar-Nykodym-1080.jpg

939 ms

springs-1.svg

springs-1.svg

982 ms

snafel-mountain-1080-660.jpg

snafel-mountain-1080-660.jpg

985 ms

Ranga-AURORA-1080.jpg

Ranga-AURORA-1080.jpg

987 ms

lights.svg

lights.svg

989 ms

31290690923-22812da5a4-1080.jpg

31290690923-22812da5a4-1080.jpg

991 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVcUwaEQXjM.ttf

110 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

115 ms

Jo-kulsa-rlo-n-Glacial-1080.jpeg

Jo-kulsa-rlo-n-Glacial-1080.jpeg

1039 ms

WidgetEmbed-rated

WidgetEmbed-rated

141 ms

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKdFvXDXbtbK-F2qO0g.ttf

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKdFvXDXbtbK-F2qO0g.ttf

47 ms

Reykjanes-drone-540.jpg

Reykjanes-drone-540.jpg

982 ms

t4b_widget_rated-v22950864998a.css

t4b_widget_rated-v22950864998a.css

27 ms

cdswidgets_m-c-v22480917520a.js

cdswidgets_m-c-v22480917520a.js

35 ms

caves.svg

caves.svg

888 ms

Lighthouse-540.jpg

Lighthouse-540.jpg

864 ms

540-Tours-02.jpg

540-Tours-02.jpg

867 ms

8.-Blue-Ice-exploration-1080.jpg

8.-Blue-Ice-exploration-1080.jpg

875 ms

file-680x510-540.jpg

file-680x510-540.jpg

915 ms

horse.svg

horse.svg

858 ms

file000159-540.jpg

file000159-540.jpg

818 ms

11.-Hike-on-a-glacier-1080-660.jpg

11.-Hike-on-a-glacier-1080-660.jpg

673 ms

550-inside-Sapphire.jpeg

550-inside-Sapphire.jpeg

618 ms

bg-texture@2x.png.png

bg-texture@2x.png.png

618 ms

7NrUn81WgDuVk5rUD2I6xrThx5FqpErYrq947BUo.jpg

7NrUn81WgDuVk5rUD2I6xrThx5FqpErYrq947BUo.jpg

644 ms

68rD4VqpODobaHtb1PQrr7AYZ9PHJbhFQLbstgPA.jpeg

68rD4VqpODobaHtb1PQrr7AYZ9PHJbhFQLbstgPA.jpeg

656 ms

cascade.jpg

cascade.jpg

599 ms

KLUbnvhpUTRD0nUqyuZva0j4huZo7BdsKv2MFPzR.jpg

KLUbnvhpUTRD0nUqyuZva0j4huZo7BdsKv2MFPzR.jpg

603 ms

Glacier-iceland-540.jpg

Glacier-iceland-540.jpg

607 ms

6RIUsOjFmSxV2PGu303htsPYlxfXr9AsVAsE8pgX.jpg

6RIUsOjFmSxV2PGu303htsPYlxfXr9AsVAsE8pgX.jpg

612 ms

j0HyTzi4MT0zkPZsUtQCd8wtTrzFkthStBmkZsrv.jpg

j0HyTzi4MT0zkPZsUtQCd8wtTrzFkthStBmkZsrv.jpg

602 ms

grotte-lave.jpg

grotte-lave.jpg

596 ms

label-satisfaction-2.svg

label-satisfaction-2.svg

594 ms

signature-john-ker2.svg

signature-john-ker2.svg

597 ms

share-sprite.svg

share-sprite.svg

601 ms

tarteaucitron.css

tarteaucitron.css

104 ms

tarteaucitron.en.js

tarteaucitron.en.js

102 ms

Tripadvisor_lockup_horizontal_registered.png

Tripadvisor_lockup_horizontal_registered.png

19 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

66 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

163 ms

twk-event-polyfill.js

twk-event-polyfill.js

69 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

186 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

161 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

175 ms

twk-main.js

twk-main.js

127 ms

twk-vendor.js

twk-vendor.js

81 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

93 ms

twk-chunk-common.js

twk-chunk-common.js

111 ms

twk-runtime.js

twk-runtime.js

120 ms

twk-app.js

twk-app.js

158 ms

tarteaucitron.services.js

tarteaucitron.services.js

104 ms

Accessibility Review

johnker-iceland-tours.com accessibility score

92

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

johnker-iceland-tours.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

johnker-iceland-tours.com SEO score

92

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

johnker-iceland-tours.com

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