70.8 sec in total
432 ms
58.5 sec
11.9 sec
Welcome to tescomobile.com homepage info - get ready to check Tesco Mobile best content for United Kingdom right away, or after learning these important things about tescomobile.com
Discover Tesco Mobile for the best deals on the latest mobile phones. Browse our SIM only deals, pay monthly phone contracts & pay as you go plans online today.
Visit tescomobile.comWe analyzed Tescomobile.com page load time and found that the first response time was 432 ms and then it took 70.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
tescomobile.com performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value12.8 s
0/100
25%
Value6.5 s
39/100
10%
Value2,480 ms
4/100
30%
Value0.064
97/100
15%
Value14.6 s
8/100
10%
432 ms
228 ms
575 ms
56 ms
459 ms
Our browser made a total of 136 requests to load all elements on the main page. We found that 18% of them (25 requests) were addressed to the original Tescomobile.com, 11% (15 requests) were made to Nexus.ensighten.com and 9% (12 requests) were made to Eu-sonar.sociomantic.com. The less responsive or slowest element that took the longest time to load (14.8 sec) relates to the external source Shop.tescomobile.com.
Page size can be reduced by 2.1 MB (43%)
5.0 MB
2.9 MB
In fact, the total size of Tescomobile.com main page is 5.0 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 2.4 MB which makes up the majority of the site volume.
Potential reduce by 277.4 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 277.4 kB or 87% of the original size.
Potential reduce by 174.8 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. Tesco Mobile images are well optimized though.
Potential reduce by 1.4 MB
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 1.4 MB or 70% of the original size.
Potential reduce by 259.8 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. Tescomobile.com needs all CSS files to be minified and compressed as it can save up to 259.8 kB or 89% of the original size.
Number of requests can be reduced by 92 (79%)
117
25
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tesco Mobile. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and as a result speed up the page load time.
tescomobile.com
432 ms
www.tescomobile.com
228 ms
jquery.min.js
575 ms
Bootstrap.js
56 ms
inline.bundle.js
459 ms
polyfills.bundle.js
2801 ms
scripts.bundle.js
458 ms
styles.bundle.js
504 ms
vendor.bundle.js
3085 ms
main.bundle.js
3010 ms
conversion_async.js
1586 ms
mmapi.js
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serverComponent.php
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9fd790f9754cb566e6fe4e6769d8074a.js
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15c5b1a9457d0cf9eb7cc5a9b17c3d5d.js
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fbevents.js
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tescodisreg-webfont.woff
7048 ms
tescodisbol-webfont.woff
7020 ms
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4524 ms
shop-tescomobile-uk
4480 ms
main
4427 ms
session
14811 ms
footer
6835 ms
footer-footer
6234 ms
basket
13409 ms
content
4624 ms
tesco-network-logo.jpg
10878 ms
facebook-icon.jpg
10734 ms
twitter-icon.jpg
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aquant.js
6997 ms
TEM.js
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sprite-sheet-1.png
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25_HH_1400x375_Sep17_PM_iPhonefamily_1650.jpg
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01_7216_Homepage_1400x375_Perks_Playroom.jpg
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promo-controls.png
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iphone_56_homepage_stamp-1.jpg
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TriSIM_image1-e1499763561557.jpg
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Motoc_homepage.png
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SamsungJ3front_BLACK.png
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session
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basket
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view
442 ms
reevoo_mark-256aa505bf654da62efeabcf0cf4d20d.js
507 ms
pixel;r=883932113;a=p-25zqQiuHqBRN-;labels=_fp.event.Homepage;rf=3;fpan=1;fpa=P0-216096631-1504645045622;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1504645045621;tzo=-180;ref=;url=http%3A%2F%2Fwww.tescomobile.com%2F;ogl=description.Discover%20a%20great%20range%20of%20mobile%20phone%20deals%20at%20Tesco%20Mobile%252C%20including%20phone%20co%2Crobots.index%252C%20follow
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ga.js
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usrm
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reevoomark-b8c3a9ce64633822b4b284a4023e740e.css
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__utm.gif
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pixel
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Pug
2019 ms
v1
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pixel
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UserMatch.ashx
1952 ms
user_sync.php
3917 ms
sync.cgi
3881 ms
serve
1912 ms
usersync
1849 ms
liveCookieSync.php
3340 ms
cksync.js
1820 ms
user-sync
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us.gif
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di.js
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sync
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tescomobile.js
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pixel
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7093.js
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activityi;src=5273068;type=mobil0;cat=mobil0;u1=tescomobile;u2=;u3=;u4=home;u5=home;u6=;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;num=2772598643787.205;u20=;ord=1
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tap.php
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tag.js
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IzCode.js
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95.png
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ga.reevoo-69680a66fde24eeadc4e0bc08dfda29e.js
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ILogger.aspx
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__utm.gif
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receiver.html
1508 ms
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bundle.js
976 ms
storage.secure.min.html
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zones
1025 ms
17569646
791 ms
tescomobile.com accessibility score
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
[role] values are not valid
[aria-*] attributes do not have valid values
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
tescomobile.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
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
tescomobile.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tescomobile.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tescomobile.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.
tescomobile.com
Open Graph description is not detected on the main page of Tesco Mobile. 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: