Tools & Wizards About Us
delta-check.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

delta-check.com

2.3 Millionen Hoteladressen | Startseite | DELTA CHECK

Page Load Speed

6.1 sec in total

First Response

307 ms

Resources Loaded

5.5 sec

Page Rendered

316 ms

delta-check.com screenshot

About Website

Click here to check amazing DELTA CHECK content for Azerbaijan. Otherwise, check out these important facts you probably never knew about delta-check.com

Mit weit über 2.3 Millionen Hoteladressen an nahezu 90.000 Destinationen deckt sie alle 254 Länder und Territorien lückenlos ab

Visit delta-check.com

Key Findings

We analyzed Delta-check.com page load time and found that the first response time was 307 ms and then it took 5.8 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

delta-check.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

www.delta-check.com

307 ms

271 ms

js

89 ms

wp-emoji-release.min.js

164 ms

jquery.reject.css

212 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 94% of them (134 requests) were addressed to the original Delta-check.com, 2% (3 requests) were made to Fonts.googleapis.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (779 ms) belongs to the original domain Delta-check.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 416.1 kB (31%)

Content Size

1.4 MB

After Optimization

939.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Delta-check.com main page is 1.4 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. 70% of websites need less resources to load. Images take 831.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 85.6 kB

  • Original 106.4 kB
  • After minification 102.9 kB
  • After compression 20.8 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 85.6 kB or 80% of the original size.

Image Optimization

-35%

Potential reduce by 293.2 kB

  • Original 831.4 kB
  • After minification 538.2 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, DELTA CHECK needs image optimization as it can save up to 293.2 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 23.1 kB

  • Original 321.2 kB
  • After minification 321.1 kB
  • After compression 298.1 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.

CSS Optimization

-15%

Potential reduce by 14.2 kB

  • Original 96.1 kB
  • After minification 96.1 kB
  • After compression 81.8 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. Delta-check.com needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (56%)

Requests Now

140

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DELTA CHECK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 52 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.delta-check.com

www.delta-check.com

307 ms

271 ms

js

js

89 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

164 ms

jquery.reject.css

jquery.reject.css

212 ms

style.min.css

style.min.css

209 ms

animate-animo.css

animate-animo.css

203 ms

css

css

42 ms

styles.css

styles.css

207 ms

settings.css

settings.css

212 ms

style.min.css

style.min.css

262 ms

style.css

style.css

314 ms

style.css

style.css

313 ms

css

css

28 ms

fontello.css

fontello.css

310 ms

animation.css

animation.css

310 ms

style.css

style.css

303 ms

shortcodes.css

shortcodes.css

361 ms

responsive.css

responsive.css

399 ms

magnific-popup.css

magnific-popup.css

402 ms

idangerous.swiper.css

idangerous.swiper.css

405 ms

idangerous.swiper.scrollbar.css

idangerous.swiper.scrollbar.css

405 ms

mediaplayer.css

mediaplayer.css

404 ms

_messages.css

_messages.css

458 ms

awp-columns.css

awp-columns.css

498 ms

js_composer.css

js_composer.css

501 ms

front.css

front.css

506 ms

flare.css

flare.css

505 ms

css

css

43 ms

jquery.js

jquery.js

557 ms

jquery-migrate.min.js

jquery-migrate.min.js

594 ms

jquery.themepunch.tools.min.js

jquery.themepunch.tools.min.js

691 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

597 ms

pie.min.js

pie.min.js

596 ms

jquery.easing.min.js

jquery.easing.min.js

17 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

704 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

668 ms

Chart.min.js

Chart.min.js

702 ms

functional.css

functional.css

637 ms

style-light.css

style-light.css

637 ms

shortcodes.css

shortcodes.css

748 ms

jquery.reject.js

jquery.reject.js

747 ms

animo.min.js

animo.min.js

658 ms

jquery.ba-throttle-debounce.min.js

jquery.ba-throttle-debounce.min.js

615 ms

viewportchecker.js

viewportchecker.js

613 ms

edsanimate.js

edsanimate.js

612 ms

edsanimate.site.js

edsanimate.site.js

668 ms

scripts.js

scripts.js

683 ms

underscore.min.js

underscore.min.js

644 ms

jquery.cookie.js

jquery.cookie.js

588 ms

jquery.autosize.js

jquery.autosize.js

586 ms

core.min.js

core.min.js

605 ms

widget.min.js

widget.min.js

656 ms

tabs.min.js

tabs.min.js

680 ms

effect.min.js

effect.min.js

627 ms

effect-fade.min.js

effect-fade.min.js

596 ms

superfish.js

superfish.js

596 ms

_utils.js

_utils.js

601 ms

_front.js

_front.js

659 ms

shortcodes_init.js

shortcodes_init.js

682 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

631 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

594 ms

idangerous.swiper.js

idangerous.swiper.js

597 ms

idangerous.swiper.scrollbar-2.1.js

idangerous.swiper.scrollbar-2.1.js

598 ms

jquery.hoverdir.js

jquery.hoverdir.js

657 ms

hoverIntent.js

hoverIntent.js

673 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

617 ms

chart.min.js

chart.min.js

593 ms

diagram.raphael.js

diagram.raphael.js

595 ms

_messages.js

_messages.js

600 ms

jquery.knob.js

jquery.knob.js

595 ms

mouse.min.js

mouse.min.js

576 ms

slider.min.js

slider.min.js

574 ms

_reviews.js

_reviews.js

576 ms

functions.js

functions.js

556 ms

jscripts-ftr2-min.js

jscripts-ftr2-min.js

481 ms

front.js

front.js

547 ms

wp-embed.min.js

wp-embed.min.js

556 ms

js_composer_front.js

js_composer_front.js

561 ms

all.frontend.min.js

all.frontend.min.js

568 ms

list-icon.png

list-icon.png

638 ms

analytics.js

analytics.js

10 ms

font

font

32 ms

fontello.woff

fontello.woff

629 ms

collect

collect

29 ms

de-grey.jpg

de-grey.jpg

597 ms

js

js

57 ms

en-grey.jpg

en-grey.jpg

581 ms

DELTA-CHECK-Logo.png

DELTA-CHECK-Logo.png

585 ms

background.png

background.png

586 ms

infographics.png

infographics.png

760 ms

DELTA-CHECK-Hoteladressen.png

DELTA-CHECK-Hoteladressen.png

576 ms

Torsten-Sabel-Image.png

Torsten-Sabel-Image.png

596 ms

Sabine-Klein-Image.png

Sabine-Klein-Image.png

575 ms

Ralph-Duwe-Image.png

Ralph-Duwe-Image.png

584 ms

microsoft-250.png

microsoft-250.png

585 ms

reed-exhibitions-250px.png

reed-exhibitions-250px.png

592 ms

LG-250.png

LG-250.png

654 ms

cambridge-250.png

cambridge-250.png

600 ms

siteminder-250.png

siteminder-250.png

593 ms

booking.com-250.png

booking.com-250.png

591 ms

cornell-250.png

cornell-250.png

626 ms

cultuzz-250.png

cultuzz-250.png

659 ms

electrolux-250.png

electrolux-250.png

659 ms

Deutsche-post-2501.png

Deutsche-post-2501.png

604 ms

ManagerSeminare-250.png

ManagerSeminare-250.png

597 ms

Customer-Alliance-250.png

Customer-Alliance-250.png

593 ms

accessibility-pass-250.png

accessibility-pass-250.png

594 ms

Fewo-Channelmanager-250.png

Fewo-Channelmanager-250.png

660 ms

book2meet-250.png

book2meet-250.png

659 ms

Serta-250px.png

Serta-250px.png

602 ms

National-Pen-250px.png

National-Pen-250px.png

595 ms

Churchill-Logo.png

Churchill-Logo.png

596 ms

Nespresso.png

Nespresso.png

597 ms

Zengo-250W.png

Zengo-250W.png

671 ms

Peakwork-250W.png

Peakwork-250W.png

661 ms

Vioma-Logo-250W.png

Vioma-Logo-250W.png

606 ms

11-Logo-250px.png

11-Logo-250px.png

607 ms

md-Logo-250W1.png

md-Logo-250W1.png

592 ms

hotelchamp-Logo-250w.png

hotelchamp-Logo-250w.png

528 ms

hrs-250.png

hrs-250.png

595 ms

Swiss-post-2501.png

Swiss-post-2501.png

582 ms

nisbets-250.png

nisbets-250.png

590 ms

miele-250.png

miele-250.png

597 ms

douwe-egberts-250.png

douwe-egberts-250.png

600 ms

Travel-Tripper-250px-width.png

Travel-Tripper-250px-width.png

606 ms

GemSeek-250px-width.png

GemSeek-250px-width.png

657 ms

Innsbruck-University-250px-width.png

Innsbruck-University-250px-width.png

592 ms

Rentokil-250W.png

Rentokil-250W.png

595 ms

Suitepad-250px-width.png

Suitepad-250px-width.png

594 ms

was-wir-machen03.png

was-wir-machen03.png

596 ms

unsere-leistungen03.png

unsere-leistungen03.png

593 ms

unsere-referenzen03.png

unsere-referenzen03.png

585 ms

DELTA-CHECK-2.3-Millionen-Hoteladressen.png

DELTA-CHECK-2.3-Millionen-Hoteladressen.png

779 ms

loading-icon-128x128.gif

loading-icon-128x128.gif

587 ms

light-arrows.png

light-arrows.png

587 ms

background_browser.gif

background_browser.gif

554 ms

browser_chrome.gif

browser_chrome.gif

560 ms

browser_firefox.gif

browser_firefox.gif

590 ms

browser_safari.gif

browser_safari.gif

597 ms

browser_opera.gif

browser_opera.gif

594 ms

browser_gcf.gif

browser_gcf.gif

587 ms

browser_msie.gif

browser_msie.gif

597 ms

Accessibility Review

delta-check.com accessibility score

71

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

delta-check.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

delta-check.com SEO score

86

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 uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

delta-check.com

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