3.6 sec in total
506 ms
2.8 sec
314 ms
Welcome to de.delta.com homepage info - get ready to check De Delta best content for United States right away, or after learning these important things about de.delta.com
Delta Air Lines ist führend bei Inlands- und internationalen Reisen und bietet Flugtickets und Flüge zu über 300 Zielen in 60 Ländern. Buchen Sie direkt auf Delta.com.
Visit de.delta.comWe analyzed De.delta.com page load time and found that the first response time was 506 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
de.delta.com performance score
name
value
score
weighting
Value20.0 s
0/100
10%
Value29.2 s
0/100
25%
Value20.2 s
0/100
10%
Value6,190 ms
0/100
30%
Value1.157
2/100
15%
Value33.0 s
0/100
10%
506 ms
13 ms
24 ms
24 ms
94 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 7% of them (7 requests) were addressed to the original De.delta.com, 59% (58 requests) were made to Content.delta.com and 7% (7 requests) were made to De-deltaairlines-tt-omtrdc-net-prod.onelink-translations.com. The less responsive or slowest element that took the longest time to load (796 ms) relates to the external source De-content.delta.com.
Page size can be reduced by 1.1 MB (62%)
1.8 MB
668.8 kB
In fact, the total size of De.delta.com main page is 1.8 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. 70% of websites need less resources to load. Javascripts take 725.5 kB which makes up the majority of the site volume.
Potential reduce by 389.8 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 389.8 kB or 87% of the original size.
Potential reduce by 20.2 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. De Delta images are well optimized though.
Potential reduce by 507.3 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 507.3 kB or 70% of the original size.
Potential reduce by 167.9 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. De.delta.com needs all CSS files to be minified and compressed as it can save up to 167.9 kB or 85% of the original size.
Number of requests can be reduced by 56 (60%)
94
38
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Delta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
de.delta.com
506 ms
home.css
13 ms
cq-delta.min.js
24 ms
homeLib.20160218.css
24 ms
lib.20160218.js
94 ms
shared.min.js
23 ms
util.min.js
23 ms
init.min.js
48 ms
compositeHome.min.js
796 ms
i18n.js
51 ms
tealeaf-jQuery-prod-min.js
50 ms
underscore.min.js
49 ms
kernel.min.js
58 ms
widgetnav.css
276 ms
widgetNav.min.js
381 ms
homeLib.20160128.js
44 ms
sitecatalyst.min.js
48 ms
util.min.js
50 ms
analytics.sitecatalyst.js
47 ms
mac-sc.min.js
49 ms
plugins.min.js
50 ms
Bootstrap.js
46 ms
custLogin.js
106 ms
compositeFooter.min.js
50 ms
onelink.css
47 ms
onelink.js
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mbox.js
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aksb.min.js
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site_sprite.png
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hotels.png
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cars.png
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trip_extras.png
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arrow_down.png
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clear.gif
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guarantee_small.gif
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remove_icon.gif
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question_dot_small.gif
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strawberries-champagne.jpg
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man-on-plane.jpg
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delta-studio-app.jpg
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pouring-drink.jpg
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man-using-app.jpg
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hands-concert.jpg
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clear.gif
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nav-diagonals.png
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texture-light.png
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DE_1353445.png
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AirportLookupDWR.getAirportLookupFrame.dwr
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prefill.retrievePrefillData.dwr
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nav-widget-topper-shadow.png
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erroralert_icon.png
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recent-search-bg.png
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polaris-select-new.png
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polaris-select-bg-new.png
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light-texture-1.gif
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policy_icons.png
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Comfort-Plus-tnt-failover-1600.jpg
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standard
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bicyclist-in-mountainous-plains.jpg
19 ms
standard
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src_dest_pointer.png
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skyclub-bar-blue.jpg
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standard
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SkyClubAnthem_300x150_SkySquare2.jpg
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SkyClubAnthem_300x150_SkySquare3.jpg
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standard
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pouring-drink.jpg
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flight-attendants-dl-virginaustralia-ss.jpg
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standard
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hands-concert.jpg
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oo_engine_min.js
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unsupportedBrowser.jsp
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ui-dialog-titlebar.png
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ui-icons_222222_256x240.png
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DE.png
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serverComponent.php
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oo_conf_inline.js
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social-icons.png
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country-flags.png
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site_sprite.png
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79fbe308e8828ab55ef66a631436224d.js
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supported-browsers.png
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b02baf744e0faa7b1508f3003a86aaf2.js
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98f3977e12b94280bc766cd8481cca23.js
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activityi;src=383639;type=delta526;cat=delta742;ord=1;num=9882686806377.023
58 ms
gateway.min.js
70 ms
src=5236503;type=delta0;cat=homep0;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=8054852490313.352
38 ms
firstevent
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16 ms
ps
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foresee_trigger.js
80 ms
39 ms
de.delta.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
de.delta.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Uses deprecated APIs
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
de.delta.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.delta.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 De.delta.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.
de.delta.com
Open Graph description is not detected on the main page of De Delta. 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: