Tesco.com Site Title

Tesco | Online Groceries, Homeware, Electricals & Clothing

Tesco.com Meta Description

Home shopping for less with Tesco.com. Everything you will find in the supermarket and much more. Every Little Helps.

Tesco.com Test Results

Tesco.com Mobile Usability: 100/100

Tesco.com Mobile Speed: 57/100

Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://assets.adobedtm.com/07f4803ba7577af91bd0d0bb989cce05e8f2a5c8/satelliteLib-0ae141e3e8bba6a6671c57e9fba7c01799b47ec4.js
...
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
99.8KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.
None of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://assets.adobedtm.com/07f4803ba7577af91bd0d0bb989cce05e8f2a5c8/mbox-contents-f86019c82f15e1301f4af77a684e10d5333c168f.js (expiration not specified)
...
Reduce server response time
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 877B (53% reduction).
Compressing http://tescostoresltd.tt.omtrdc.net/m2/tescostoresltd/mbox/ajax?mboxHost=www.tesco.com&mboxPage=1465705956129-328826&screenHeight=732&screenWidth=412&browserWidth=411&browserHeight=731&browserTimeOffset=-420&colorDepth=24&mboxSession=1465705956129-328826&mboxCount=1&mboxTime=1465680756134&mbox=DCHP-target-global-mbox&mboxId=0&mboxURL=http%3A%2F%2Fwww.tesco.com%2F&mboxReferrer=&mboxVersion=58 could save 877B (53% reduction).

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