Tools & Wizards About Us
heilbronn.de screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

heilbronn.de

Stadt Heilbronn: Startseite

Page Load Speed

6.8 sec in total

First Response

50 ms

Resources Loaded

4.6 sec

Page Rendered

2.2 sec

heilbronn.de screenshot

About Website

Visit heilbronn.de now to see the best up-to-date Heilbronn content for Germany and also check out these interesting facts you probably never knew about heilbronn.de

Offizielles Internetportal der Stadt Heilbronn

Visit heilbronn.de

Key Findings

We analyzed Heilbronn.de page load time and found that the first response time was 50 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

heilbronn.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value1.141

1/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

heilbronn.de

50 ms

heilbronn.de

313 ms

startseite.html

1276 ms

imxevents.css

102 ms

7015c8c4ac5ff815b57530b221005fc6.css

134 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 97% of them (88 requests) were addressed to the original Heilbronn.de, 1% (1 request) were made to Privacy-proxy.usercentrics.eu and 1% (1 request) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Heilbronn.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.3 kB (9%)

Content Size

3.1 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Heilbronn.de 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 269.0 kB

  • Original 317.4 kB
  • After minification 306.3 kB
  • After compression 48.4 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 269.0 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 306 B

  • Original 2.5 MB
  • After minification 2.5 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. Heilbronn images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 227.7 kB
  • After minification 227.7 kB
  • After compression 227.7 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.

Requests Breakdown

Number of requests can be reduced by 29 (36%)

Requests Now

80

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heilbronn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

heilbronn.de

heilbronn.de

50 ms

heilbronn.de

heilbronn.de

313 ms

startseite.html

startseite.html

1276 ms

imxevents.css

imxevents.css

102 ms

7015c8c4ac5ff815b57530b221005fc6.css

7015c8c4ac5ff815b57530b221005fc6.css

134 ms

glightbox.min.css

glightbox.min.css

302 ms

bootstrap-grid.css

bootstrap-grid.css

117 ms

resethtml5.css

resethtml5.css

129 ms

main.css

main.css

533 ms

slick.css

slick.css

203 ms

all.css

all.css

212 ms

jquery.datetimepicker.min.css

jquery.datetimepicker.min.css

238 ms

watchlistCount.css

watchlistCount.css

415 ms

ke_search_pi1.css

ke_search_pi1.css

296 ms

jquery-3.6.3.min.js

jquery-3.6.3.min.js

318 ms

jquery-migrate-1.1.1.min.js

jquery-migrate-1.1.1.min.js

335 ms

bootstrap.js

bootstrap.js

477 ms

slick.js

slick.js

396 ms

form.js

form.js

617 ms

html5shiv-printshiv.js

html5shiv-printshiv.js

436 ms

main.js

main.js

497 ms

jquery.datetimepicker.full.min.js

jquery.datetimepicker.full.min.js

601 ms

06e88a31a4eb08a85f49df692f303c38.js

06e88a31a4eb08a85f49df692f303c38.js

580 ms

uc-block.bundle.js

uc-block.bundle.js

42 ms

bundle.js

bundle.js

46 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

579 ms

jquery.bxslider.css

jquery.bxslider.css

769 ms

element.js

element.js

67 ms

imxevents.js

imxevents.js

617 ms

glightbox.min.js

glightbox.min.js

704 ms

js.js

js.js

660 ms

watchlistCount.js

watchlistCount.js

687 ms

7e0b67fee13b5dc0c70010b333ae63fe.js

7e0b67fee13b5dc0c70010b333ae63fe.js

707 ms

HMG_Icon_Aktentasche.svg

HMG_Icon_Aktentasche.svg

133 ms

HMG_Icon_Info.svg

HMG_Icon_Info.svg

134 ms

HMG_Icon_Kamera.svg

HMG_Icon_Kamera.svg

128 ms

HMG_Icon_Brief.svg

HMG_Icon_Brief.svg

337 ms

HMG_Icon_Stadtplan.svg

HMG_Icon_Stadtplan.svg

136 ms

csm_Heilbronn_Panorama_mit_Frau_2017_ul_5679_web_a808aa69ee.jpg

csm_Heilbronn_Panorama_mit_Frau_2017_ul_5679_web_a808aa69ee.jpg

137 ms

csm_Servicecenter_Bauen_2_d6678f589d.jpg

csm_Servicecenter_Bauen_2_d6678f589d.jpg

238 ms

Logo.png

Logo.png

237 ms

close.png

close.png

239 ms

HN_Icon_Lesen_02.svg

HN_Icon_Lesen_02.svg

240 ms

csm_Headerbild_Bepflanzung_Friedrich_Ebert_Bruecke3_7cc9b875dc.jpg

csm_Headerbild_Bepflanzung_Friedrich_Ebert_Bruecke3_7cc9b875dc.jpg

708 ms

csm_Headerslider__Weinberge_215c001a04.jpg

csm_Headerslider__Weinberge_215c001a04.jpg

512 ms

csm_Headerbild_Slider_Startseite_Webseite__1__59f5dd55e5.jpg

csm_Headerbild_Slider_Startseite_Webseite__1__59f5dd55e5.jpg

793 ms

csm_Headerbild_Slider_Startseite_Webseite__2__1e1b7ff39e.jpg

csm_Headerbild_Slider_Startseite_Webseite__2__1e1b7ff39e.jpg

868 ms

Heilbronn-H-white.svg

Heilbronn-H-white.svg

513 ms

Heilbronn-N-white.svg

Heilbronn-N-white.svg

595 ms

HMG_Icon_Rathaus.svg

HMG_Icon_Rathaus.svg

703 ms

HMG_Icon_Fotoapparat.svg

HMG_Icon_Fotoapparat.svg

709 ms

HMG_Icon_Maus.svg

HMG_Icon_Maus.svg

710 ms

HMG_Icon_Aktentasche.svg

HMG_Icon_Aktentasche.svg

790 ms

HMG_Icon_Stadtplan.svg

HMG_Icon_Stadtplan.svg

793 ms

HMG_Icon_Brief.svg

HMG_Icon_Brief.svg

787 ms

HMG_Icon_Info.svg

HMG_Icon_Info.svg

911 ms

csm_20231123-GR-Beraten_2adf6cb502.jpg

csm_20231123-GR-Beraten_2adf6cb502.jpg

867 ms

csm_Kachel_Briefwahl_218ee0f04d.jpg

csm_Kachel_Briefwahl_218ee0f04d.jpg

902 ms

csm_Kachel_Nahverkehrsplan_555b1ccf4e.jpg

csm_Kachel_Nahverkehrsplan_555b1ccf4e.jpg

987 ms

csm_Du_machst_Heilbronn_Kachel_f452c14c1d.jpg

csm_Du_machst_Heilbronn_Kachel_f452c14c1d.jpg

867 ms

csm_Kachel_EGC_3d18c00d3e.jpg

csm_Kachel_EGC_3d18c00d3e.jpg

890 ms

csm_Gruenderwettbewerb_Kachel_83d2fc2310.jpg

csm_Gruenderwettbewerb_Kachel_83d2fc2310.jpg

916 ms

csm_markt-schoener-dinge-cityflohmarkt_2022_jh_021_kalender_ecf51e207f.jpg

csm_markt-schoener-dinge-cityflohmarkt_2022_jh_021_kalender_ecf51e207f.jpg

918 ms

csm_wartberg-wengerthaeusle_2023_mb_3638_web_f3861fe125.jpg

csm_wartberg-wengerthaeusle_2023_mb_3638_web_f3861fe125.jpg

993 ms

csm_hochschule-heilbronn_1f663d1a3f.jpg

csm_hochschule-heilbronn_1f663d1a3f.jpg

998 ms

csm_Italienischer_Markt_Heilbronn_2022_jh_062_5c6a55a00a.jpg

csm_Italienischer_Markt_Heilbronn_2022_jh_062_5c6a55a00a.jpg

1183 ms

Digitaler_Buergerservice_Startseitenbanner_-_Desktop.jpg

Digitaler_Buergerservice_Startseitenbanner_-_Desktop.jpg

1018 ms

Digitaler_Buergerservice_Startseitenbanner_-_mobil.jpg

Digitaler_Buergerservice_Startseitenbanner_-_mobil.jpg

1100 ms

csm_Maengelmelder_d94e262c50.jpg

csm_Maengelmelder_d94e262c50.jpg

958 ms

csm_csm_Nummernschilder_297edd1f4f_38eae890d0.jpg

csm_csm_Nummernschilder_297edd1f4f_38eae890d0.jpg

1219 ms

csm_csm_Muellwerker_f0925db98b_03022a05c1.jpg

csm_csm_Muellwerker_f0925db98b_03022a05c1.jpg

964 ms

csm_csm_Buergeramt_Infotheke_go_83bfb88568_bb02d71750.jpg

csm_csm_Buergeramt_Infotheke_go_83bfb88568_bb02d71750.jpg

986 ms

csm_csm_Auslaendische_Paesse_ecdc79c4fd_70fb41d14a.jpg

csm_csm_Auslaendische_Paesse_ecdc79c4fd_70fb41d14a.jpg

1047 ms

source-sans-pro-v11-latin-regular.woff

source-sans-pro-v11-latin-regular.woff

1055 ms

source-sans-pro-v11-latin-300.woff

source-sans-pro-v11-latin-300.woff

1024 ms

source-sans-pro-v11-latin-600.woff

source-sans-pro-v11-latin-600.woff

1023 ms

fa-solid-900.woff

fa-solid-900.woff

1110 ms

fa-regular-400.woff

fa-regular-400.woff

1017 ms

source-serif-pro-v5-latin-700.woff

source-serif-pro-v5-latin-700.woff

950 ms

source-serif-pro-v5-latin-regular.woff

source-serif-pro-v5-latin-regular.woff

838 ms

fa-brands-400.ttf

fa-brands-400.ttf

890 ms

csm_csm_Standesamt_Symbolbild_25853eca5b_85106c17b0.jpg

csm_csm_Standesamt_Symbolbild_25853eca5b_85106c17b0.jpg

715 ms

csm_Shopping_Innenstadt_2019_fm_2973_web_013c786e4c.jpg

csm_Shopping_Innenstadt_2019_fm_2973_web_013c786e4c.jpg

714 ms

csm_Stadtfuehrung_Innenstadt_2017_gbk_041_f5f6950559.jpg

csm_Stadtfuehrung_Innenstadt_2017_gbk_041_f5f6950559.jpg

713 ms

csm_Weinerlebnisfuehrung_Wartberg_2017_gbk_110_9f6312bc04.jpg

csm_Weinerlebnisfuehrung_Wartberg_2017_gbk_110_9f6312bc04.jpg

638 ms

csm_Heilbronn_fuer_dich_Kachel3_ab36da0ad1.png

csm_Heilbronn_fuer_dich_Kachel3_ab36da0ad1.png

1034 ms

csm_Souvenirshop_Heilbronn_Titel_web_9c9b7de23f.jpg

csm_Souvenirshop_Heilbronn_Titel_web_9c9b7de23f.jpg

689 ms

csm_redblue_Picture-4_720px_1deb4a9537.jpg

csm_redblue_Picture-4_720px_1deb4a9537.jpg

731 ms

buergerbeteiligung.png

buergerbeteiligung.png

662 ms

watchlistData.json

watchlistData.json

221 ms

print.css

print.css

98 ms

Accessibility Review

heilbronn.de accessibility score

81

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

heilbronn.de 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

High

Missing source maps for large first-party JavaScript

SEO Factors

heilbronn.de SEO score

85

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 Heilbronn.de 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 Heilbronn.de 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

heilbronn.de

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